{"id":4362,"date":"2026-04-20T12:11:50","date_gmt":"2026-04-20T12:11:50","guid":{"rendered":"https:\/\/chinametalfoundry.com\/?p=4362"},"modified":"2026-09-21T08:28:29","modified_gmt":"2026-09-21T08:28:29","slug":"fonderie-de-cuivre-cuivre-pur-vs-alliages-de-cuivre","status":"publish","type":"post","link":"https:\/\/chinametalfoundry.com\/fr\/blog\/copper-casting-copper-vs-copper-alloys\/","title":{"rendered":"Coul\u00e9e de cuivre : Guide de s\u00e9lection entre le cuivre pur et les alliages de cuivre"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4362\" class=\"elementor elementor-4362\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-78dfc86e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"78dfc86e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-627d2faf\" data-id=\"627d2faf\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-60d71f1a elementor-widget elementor-widget-text-editor\" data-id=\"60d71f1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><a href=\"https:\/\/chinametalfoundry.com\/fr\/solutions\/fonderie-de-cuivre\/\" target=\"_blank\">Copper casting<\/a> La coul\u00e9e de cuivre offre un large \u00e9ventail d'options \u2014 du cuivre pur aux alliages haute performance \u2014 pour des applications \u00e9lectriques, de gestion thermique et structurelles. L'ensemble du processus de fonderie exige un \u00e9quilibre minutieux entre la puret\u00e9 du mat\u00e9riau, le comportement \u00e0 la solidification et les param\u00e8tres du proc\u00e9d\u00e9. Le cuivre pur est choisi pour son exceptionnelle conductivit\u00e9 \u00e9lectrique et thermique, tandis que les alliages de cuivre int\u00e8grent des \u00e9l\u00e9ments tels que le b\u00e9ryllium, le tellure et le phosphore pour obtenir une r\u00e9sistance accrue ou une meilleure r\u00e9sistance \u00e0 l'usure.<\/em><\/p><p><em>La s\u00e9lection du cuivre <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/2026-die-cast-tooling-cost-6-factors-lifecycle\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1723\">les pi\u00e8ces moul\u00e9es ont un impact direct sur les performances et les co\u00fbts du cycle de vie<\/a> de produits finis. Le cuivre pur offre cinq avantages inh\u00e9rents en mati\u00e8re de dissipation thermique, de conductivit\u00e9 \u00e9lectrique, de r\u00e9sistance \u00e0 la corrosion et de recyclabilit\u00e9 ; cependant, lorsque les applications n\u00e9cessitent des contacts \u00e0 haute r\u00e9sistance, des composants de pr\u00e9cision faciles \u00e0 usiner ou une r\u00e9sistance \u00e0 la fatigue dans les ressorts, le cuivre au b\u00e9ryllium, le cuivre au tellure et le bronze phosphor\u00e9 deviennent les choix optimaux <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/eliminating-aluminum-casting-defects\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3862\">solutions de moulage<\/a> projets.<\/em><\/p><p><em>Ce guide fournit une analyse d\u00e9taill\u00e9e des d\u00e9finitions fondamentales, des \u00e9quipements cl\u00e9s, des principaux proc\u00e9d\u00e9s et des cinq grands avantages de la fonderie de cuivre, ainsi que des alliages <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/aluminum-investment-casting-grade-selection-a356-vs-alsi10mg-for-structural-components\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1779\">s\u00e9lection de composants \u00e9lectriques<\/a>, offrant une r\u00e9f\u00e9rence technique pour les d\u00e9cisions de s\u00e9lection des mat\u00e9riaux.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-26a4ccee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"26a4ccee\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3446741c\" data-id=\"3446741c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ef43e4c elementor-widget elementor-widget-elementskit-heading\" data-id=\"ef43e4c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title  ekit-heading__title-has-border start\">Qu'est-ce que la fonderie de cuivre ? Notions cl\u00e9s<\/h2>\t\t\t\t<div class='ekit-heading__description'>\n\t\t\t\t\t<p>Le cuivre est chauff\u00e9 jusqu'\u00e0 ce qu'il fonde, puis vers\u00e9 dans un moule o\u00f9 il refroidit pour former une forme solide et durable. Des mati\u00e8res premi\u00e8res aux composants de precision, ce processus associe harmonieusement savoir-faire pratique et m\u00e9tallurgie avanc\u00e9e dans les fonderies modernes de coul\u00e9e de cuivre.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-354a9da elementor-widget elementor-widget-elementskit-heading\" data-id=\"354a9da\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">D\u00e9finition de la coul\u00e9e de cuivre : du m\u00e9tal fondu \u00e0 la forme solide<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e08501 elementor-widget elementor-widget-text-editor\" data-id=\"7e08501\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Copper casting is, at its core, a process that closely integrates heat transfer, flow, and solidification. Unlike conventional casting, the <a href=\"https:\/\/chinametalfoundry.com\/fr\/solutions\/fonderie-de-cuivre\/\" target=\"_blank\">copper casting process<\/a> requires a precise balance between thermal conductivity, flow distance, and cooling rate\u2014the solidification behavior of pure copper and copper alloys differs significantly at this stage, directly affecting the final mechanical properties.<\/p><p>Dans la coul\u00e9e de cuivre, le choix du cuivre de base ou de l'alliage d\u00e9pend des exigences en mati\u00e8re de conductivit\u00e9 thermique ou de r\u00e9sistance. Le mat\u00e9riau est ensuite plac\u00e9 dans un four et fondu dans des conditions contr\u00f4l\u00e9es. Une surveillance attentive de la temp\u00e9rature de fusion et de la composition chimique garantit que les pi\u00e8ces moul\u00e9es en cuivre r\u00e9pondent aux sp\u00e9cifications m\u00e9tallurgiques.<\/p><p>Dans les sc\u00e9narios de production de masse de haute pr\u00e9cision, la matrice en cuivre <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/3d-printed-metal-casting\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1897\">le processus de moulage utilise la haute conductivit\u00e9 thermique du m\u00e9tal<\/a> cavit\u00e9 de moule pour dissiper rapidement la chaleur, favorisant l'affinage du grain et r\u00e9duisant les d\u00e9fauts de porosit\u00e9. De l'\u00e9tat fondu \u00e0 l'\u00e9tat solide, les gradients de temp\u00e9rature d\u00e9terminent la structure du grain, <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/die-casting-mold-efficiency\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3317\">conception de moules<\/a> garantit la pr\u00e9cision dimensionnelle, et le contr\u00f4le des param\u00e8tres de solidification permet de r\u00e9duire efficacement le risque de porosit\u00e9 et de s\u00e9gr\u00e9gation dans les pi\u00e8ces moul\u00e9es en cuivre.<\/p><p>Au moment o\u00f9 les pi\u00e8ces coul\u00e9es en cuivre massif quittent la fonderie, elles ont d\u00e9j\u00e0 acquis la conductivit\u00e9 \u00e9lectrique, la conductivit\u00e9 thermique et la r\u00e9sistance \u00e0 la corrosion souhait\u00e9es \u2014 c'est le processus r\u00e9el par lequel le cuivre passe d'un \u00e9tat liquide \u00e0 un \u00e9tat solide.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a962403 elementor-widget elementor-widget-elementskit-heading\" data-id=\"a962403\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">\u00c9quipements de fonderie de base : des fours de fusion aux machines de moulage<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e3c4d6e elementor-widget elementor-widget-text-editor\" data-id=\"e3c4d6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pour toute fonderie professionnelle sp\u00e9cialis\u00e9e dans la coul\u00e9e de cuivre, les comp\u00e9tences cl\u00e9s reposent sur une cha\u00eene d\u2019\u00e9quipements compl\u00e8te, du four de fusion \u00e0 la machine de moulage. La fiabilit\u00e9 des \u00e9quipements de moulage du cuivre se refl\u00e8te avant tout dans le syst\u00e8me de fusion : le four de fusion chauffe les mati\u00e8res premi\u00e8res, qu&#x27;il s&#x27;agisse de cuivre pur ou d&#x27;alliages de cuivre, jusqu&#x27;\u00e0 ce qu&#x27;elles atteignent un \u00e9tat de fluidit\u00e9 totale ; le creuset prot\u00e8ge le m\u00e9tal en fusion contre toute contamination ; et la poche de coul\u00e9e garantit une coul\u00e9e en toute s\u00e9curit\u00e9.<\/p><p>Au cours de l&#x27;\u00e9tape de moulage, la machine \u00e0 mouler compacte le sable ou utilise un moule m\u00e9tallique pour former une cavit\u00e9 pr\u00e9cise, avec la <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-core-design\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4348\">noyau d\u00e9finissant le complexe<\/a> geometry. This comprehensive copper <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-design-for-dimensional\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5773\">casting process directly affects the density and dimensional<\/a> accuracy of the copper castings.<\/p><p>Le <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/moulage-a-la-cire-perdue-en-aluminium-a356-controle-qualite-et-finition\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2806\">le syst\u00e8me de finissage d\u00e9termine la qualit\u00e9 finale de la pi\u00e8ce coul\u00e9e en cuivre<\/a>. Le processus d'agitation \u00e9limine efficacement les particules de sable, s\u00e9parant les <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/moule-de-moulage-de-precision\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2678\">moulage \u00e0 partir du moule<\/a>. Le processus de meulage permet de couper la tige de coul\u00e9e et les bavures, \u00e9liminant ainsi les points de concentration des contraintes. Le traitement de surface, par polissage ou rev\u00eatement, am\u00e9liore la durabilit\u00e9 et la r\u00e9sistance \u00e0 la corrosion du cuivre <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/a356-aluminum-investment-casting\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3553\">pi\u00e8ces moul\u00e9es<\/a>.<\/p><p>Selon les perspectives 2024 de l&#x27;International Copper Study Group, la demande de cuivre raffin\u00e9 reste \u00e9troitement li\u00e9e \u00e0 la croissance des secteurs \u00e9lectrique et industriel, ce qui renforce la stabilit\u00e9 <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/aluminum-investment-casting-microstructure-fractography-and-toughness-of-a356-vs-alsi10mg\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1843\">investissement dans le casting<\/a> capacit\u00e9 \u00e0 l&#x27;\u00e9chelle mondiale.<\/p><p>Supro MFG int\u00e8gre ces syst\u00e8mes dans ses produits en cuivre \u00e0 haut rendement <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/moulage-de-precision-en-acier-inoxydable-2\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3086\">production de casting<\/a> ligne, en garantissant un contr\u00f4le qualit\u00e9 strict et en maintenant les taux de rebut \u00e0 un niveau bas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c70d66e elementor-widget elementor-widget-elementskit-heading\" data-id=\"c70d66e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Proc\u00e9d\u00e9s essentiels : Coul\u00e9e en sable, moulage \u00e0 la cire perdue et au-del\u00e0<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d2f18d elementor-widget elementor-widget-text-editor\" data-id=\"0d2f18d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Chaque cuivre <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/costly-defects-in-aluminium-castings-an-analysis-of-crack-causes\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2372\">le processus de moulage trouve un \u00e9quilibre entre le co\u00fbt<\/a>, la pr\u00e9cision et la qualit\u00e9 de surface. Supro MFG s\u00e9lectionne les <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/optimizing-aluminum-die-casting-mold-material-selection-high-performance-low-cost-high-efficiency\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2556\">coul\u00e9e d'alliage de cuivre<\/a> m\u00e9thode fond\u00e9e sur des exigences sp\u00e9cifiques visant \u00e0 garantir que les clients re\u00e7oivent des pi\u00e8ces pr\u00e9sentant un haut niveau de pr\u00e9cision d&#x27;ajustage et des performances constantes. Diff\u00e9rents proc\u00e9d\u00e9s de moulage sont adapt\u00e9s \u00e0 diff\u00e9rentes t\u00e2ches de production, comme d\u00e9taill\u00e9 ci-dessous :<\/p><ul><li>Cuivre <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-design-guide\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3944\">moulage au sable<\/a> utilise des moules en sable jetables, ce qui lui conf\u00e8re une grande polyvalence et un faible co\u00fbt. Ce proc\u00e9d\u00e9 est particuli\u00e8rement adapt\u00e9 aux pi\u00e8ces de grande taille et \u00e0 la production en petites s\u00e9ries, bien que <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-surface-finish\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4197\">\u00e9tat de surface<\/a> et la pr\u00e9cision dimensionnelle est limit\u00e9e.<\/li><li>Cuivre <a class=\"wpil_keyword_link\" href=\"https:\/\/chinametalfoundry.com\/fr\/fonderie-a-cire-perdue\/\" target=\"_blank\"  rel=\"noopener\" title=\"fonderie \u00e0 cire perdue\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1267\">fonderie \u00e0 cire perdue<\/a> utilise des moules en c\u00e9ramique pour obtenir une pr\u00e9cision dimensionnelle de classe CT4 \u00e0 CT6 et une qualit\u00e9 de surface de Ra 1,6 \u00e0 6,3 \u03bcm, avec une \u00e9paisseur de paroi minimale de 0,5 mm. Ce proc\u00e9d\u00e9 est adapt\u00e9 aux pi\u00e8ces moul\u00e9es complexes \u00e0 forte valeur ajout\u00e9e dans les secteurs de l&#x27;a\u00e9rospatiale et de la m\u00e9canique de pr\u00e9cision.<\/li><li><a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/best-die-casting-for-cu-brass\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2912\">Moulage sous pression du cuivre<\/a>: Ce proc\u00e9d\u00e9 consiste \u00e0 remplir la cavit\u00e9 du moule m\u00e9tallique \u00e0 haute pression et \u00e0 grande vitesse, ce qui permet d&#x27;obtenir une pr\u00e9cision dimensionnelle correspondant aux classes CT4 \u00e0 CT6. Il offre un rendement de production \u00e9lev\u00e9 et convient \u00e0 la production en s\u00e9rie de petites pi\u00e8ces moul\u00e9es en cuivre \u00e0 parois minces.<\/li><li>Le moulage centrifuge du cuivre utilise la force centrifuge g\u00e9n\u00e9r\u00e9e par une rotation \u00e0 grande vitesse pour remplir la cavit\u00e9 du moule avec du cuivre en fusion. Ce proc\u00e9d\u00e9 permet d&#x27;obtenir une microstructure dense, exempte de d\u00e9fauts de retrait, ce qui en fait la m\u00e9thode privil\u00e9gi\u00e9e pour la fabrication de pi\u00e8ces cylindriques telles que les manchons en cuivre et les coquilles de roulements.<\/li><li>Copper continuous <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/mastering-sand-casting-mold-materials\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5487\">casting employs water-cooled molds<\/a> to achieve continuous pouring and solidification, making it suitable for the efficient production of long products such as copper rods and billets.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3b84b734 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3b84b734\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-59005a6b\" data-id=\"59005a6b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-50fa5e65 elementor-widget elementor-widget-elementskit-heading\" data-id=\"50fa5e65\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title  ekit-heading__title-has-border start\">Copper Casting: Pure vs. Alloy Strength Comparison<\/h2>\t\t\t\t<div class='ekit-heading__description'>\n\t\t\t\t\t<p>When it comes to copper castings, strength is always the primary concern. Pure copper offers a classic, pristine appearance, while copper alloys provide greater toughness. In selecting copper castings, understanding the trade-off between the high electrical conductivity of pure copper and the high strength of copper alloys is key to engineers making the right decision.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1283415 elementor-widget elementor-widget-elementskit-heading\" data-id=\"1283415\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Pure Copper<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b622d17 elementor-widget elementor-widget-text-editor\" data-id=\"3b622d17\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In copper <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/engineered-sand-casting-parts\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5586\">casting applications<\/a>, high-purity metals stand out due to their emphasis on electrical conductivity rather than sheer strength. However, in the casting of copper for electrical enclosures or bus ducts, the factors given priority differ.<\/p><p>Pure copper has lower mechanical strength than other alloy grades, but it exhibits excellent ductility under stress and high plasticity during the copper casting forming process. It also possesses exceptional electrical conductivity (typically exceeding 100% IACS), and its high thermal conductivity aids in heat dissipation.<\/p><p>Molten pure copper exhibits excellent <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-porosity-and-shrinkage\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5000\">casting fluidity in controlled<\/a> molds, and due to its high purity, alloy segregation is minimal. It is suitable for manufacturing copper castings that require flexibility, such as power connectors.<\/p><p>The International Copper Study Group noted in its 2025 outlook that global demand for high-conductivity copper castings continues rising, driven by electrification and grid upgrades.<\/p><p>For a professional Chinese copper casting foundry like Supro MFG, pure copper <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-solutions-2\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5872\">casting remains the preferred solution<\/a> when electrical conductivity is non-negotiable.<\/p><p>The following are the properties and typical applications of pure copper C110:<\/p><table><tbody><tr><td width=\"142\"><p><strong><b>Property<\/b><\/strong><\/p><\/td><td width=\"142\"><p><strong><b>Pure Copper (C110)<\/b><\/strong><\/p><\/td><td width=\"142\"><p><strong><b>Unit<\/b><\/strong><\/p><\/td><td width=\"142\"><p><strong><b>Typical Application<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>Tensile Strength<\/b><\/strong><\/p><\/td><td width=\"142\"><p>210\u2013250<\/p><\/td><td width=\"142\"><p>MPa<\/p><\/td><td width=\"142\"><p>Electrical bus bars<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>Hardness<\/b><\/strong><\/p><\/td><td width=\"142\"><p>40\u201360<\/p><\/td><td width=\"142\"><p>HB<\/p><\/td><td width=\"142\"><p>Terminals<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>Electrical Conductivity<\/b><\/strong><\/p><\/td><td width=\"142\"><p>100\u2013101<\/p><\/td><td width=\"142\"><p>% IACS<\/p><\/td><td width=\"142\"><p>Power systems<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>Thermal Conductivity<\/b><\/strong><\/p><\/td><td width=\"142\"><p>385\u2013400<\/p><\/td><td width=\"142\"><p>W\/m\u00b7K<\/p><\/td><td width=\"142\"><p>Heat sinks<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8243f10 elementor-widget elementor-widget-elementskit-heading\" data-id=\"8243f10\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Copper Alloys<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6432e62 elementor-widget elementor-widget-text-editor\" data-id=\"6432e62\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Copper alloys, on the other hand, are quite different; their properties change rapidly when alloying elements are added. By leveraging a proven copper casting process, the following can be achieved:<\/p><ul><li>Increased strength in structural components<\/li><li>Higher hardness under load<\/li><li>Enhanced wear resistance in moving parts<\/li><\/ul><p>In bronze and brass casting, slight adjustments to the composition directly affect mechanical properties. Bronze <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-corrosion-resistance\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"6180\">casting typically enhances corrosion resistance<\/a>, while brass casting improves machinability. Beryllium-based alloys can achieve extremely high strength after <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-heat-treatment\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4870\">traitement thermique<\/a>.<\/p><p>Cuivre <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-defects-elimination\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4077\">alloy casting<\/a> typically follows these steps:<\/p><p>1) <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-alloy-selection-guidelines\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"6044\">Select an alloy<\/a> formulation based on load requirements.<\/p><p>2) Control the chemical composition of the melt to achieve balanced mechanical properties.<\/p><p>3) Perform heat treatment to unlock enhanced strength.<\/p><p>4) Perform finishing operations to meet strict tolerance requirements.<\/p><p>In summary, copper alloy castings are tougher and harder, making them suitable for products that must withstand pressure.<\/p><p>Supro MFG is dedicated to supporting copper and copper alloy casting projects with extremely high durability requirements\u2014such as gears, valve bodies, and pump components. When engineers need to prioritize toughness over mere electrical conductivity, alloyed copper castings are the preferred choice.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2418d42d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2418d42d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-43fd8cd5\" data-id=\"43fd8cd5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-58c6740c elementor-widget elementor-widget-elementskit-heading\" data-id=\"58c6740c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><p class=\"ekit-heading--title elementskit-section-title\">\u00c0 la recherche d'une fonderie de m\u00e9taux fiable en Chine ?<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-327e8943 elementor-widget elementor-widget-text-editor\" data-id=\"327e8943\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Nous pouvons vous aider \u00e0 optimiser la conception de vos produits et \u00e0 r\u00e9duire vos co\u00fbts.<\/li><li>Nous pouvons vous aider avec une haute qualit\u00e9 et un grand volume <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/perfecting-sand-casting-parting-lines\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4544\">pi\u00e8ces moul\u00e9es<\/a>.<\/li><li>Nous pouvons livrer \u00e0 temps et obtenir de nouvelles opportunit\u00e9s de march\u00e9.<\/li><li>Vous b\u00e9n\u00e9ficierez de Supro MFG <a class=\"wpil_keyword_link\" href=\"https:\/\/chinametalfoundry.com\/fr\/\" target=\"_blank\"  rel=\"noopener\" title=\"fonderie de m\u00e9taux\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1269\">fonderie de m\u00e9taux<\/a> service.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-729149b5 elementor-align-left elementor-widget elementor-widget-global elementor-global-1143 elementor-widget-button\" data-id=\"729149b5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/chinametalfoundry.com\/fr\/contact\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Demander un devis direct usine <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-94f7226 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"94f7226\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1dfdb4d0\" data-id=\"1dfdb4d0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-78d216ca elementor-widget elementor-widget-elementskit-heading\" data-id=\"78d216ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title  ekit-heading__title-has-border start\">5 Advantages Of Pure Copper Casting<\/h2>\t\t\t\t<div class='ekit-heading__description'>\n\t\t\t\t\t<p>When performance is critical, pure copper casting stands out. From thermal management to electrical conductivity, this casting process is both simple and efficient. Furthermore, its comprehensive performance in terms of corrosion resistance, machinability, and recyclability makes pure copper the material of choice for demanding applications.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3acbad6b elementor-widget elementor-widget-elementskit-heading\" data-id=\"3acbad6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Superior Thermal Conductivity for Heat-Sensitive Parts<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6dab95c7 elementor-widget elementor-widget-text-editor\" data-id=\"6dab95c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In terms of thermal management, the high thermal conductivity of pure copper makes it a reliable choice for industrial cooling and power systems, particularly those operating under harsh conditions. Because of the thermal conductivity of <a href=\"https:\/\/chinametalfoundry.com\/fr\/solutions\/fonderie-de-cuivre\/\" target=\"_blank\">pure copper castings<\/a>, dynamic cooling systems can respond quickly and maintain stable thermal management performance during repeated thermal cycles. As a result, copper castings with complex geometries can provide exceptional heat dissipation performance.<\/p><p>Thanks to copper\u2019s excellent thermal conductivity, copper <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/aluminum-investment-casting-a356-t6-designing-for-critical-structural-loads\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1991\">castings feature a uniform grain structure<\/a>, which helps reduce the risk of equipment overheating and extends service life. For example, in heat sinks, this <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/aluminum-investment-casting-anodizing\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3768\">eliminates localized hot spots<\/a>. During the production of mold inserts, it helps balance temperatures. It also ensures that power modules remain within safe operating limits.<\/p><p>Compared to aluminum alloys, copper <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-optimization\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5113\">pi\u00e8ces moul\u00e9es<\/a> conduct heat more efficiently, which means that smaller structures can withstand the same load. This is a significant advantage for both compact electronic devices and heavy-duty tools.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6c9fbd elementor-widget elementor-widget-elementskit-heading\" data-id=\"b6c9fbd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Unmatched Electrical Performance in Conductive Components<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f750d77 elementor-widget elementor-widget-text-editor\" data-id=\"f750d77\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Electrical engineering requires low resistance and stable current flow. For this reason, pure copper castings demonstrate unique advantages in high-load electrical applications and conductive components. The high electrical conductivity of copper cast parts ensures that they maintain stable electrical performance under load. The benefits of efficient power transmission help reduce energy loss in power distribution units. For busbars and switchgear, copper castings reduce both resistance losses and heat buildup. This balance is hard to beat.<\/p><p>The following is a performance comparison based on industry standard values:<\/p><table><tbody><tr><td width=\"113\"><p><strong><b>Material Type<\/b><\/strong><\/p><\/td><td width=\"113\"><p><strong><b>Electrical Conductivity (% IACS)<\/b><\/strong><\/p><\/td><td width=\"113\"><p><strong><b>Thermal Conductivity (W\/m\u00b7K)<\/b><\/strong><\/p><\/td><td width=\"113\"><p><strong><b>Typical Application<\/b><\/strong><\/p><\/td><td width=\"113\"><p><strong><b>Relative Resistance<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"113\"><p><strong><b>Pure Copper Casting<\/b><\/strong><\/p><\/td><td width=\"113\"><p>100%<\/p><\/td><td width=\"113\"><p>390\u2013401<\/p><\/td><td width=\"113\"><p>Busbars, connectors<\/p><\/td><td width=\"113\"><p>Very Low<\/p><\/td><\/tr><tr><td width=\"113\"><p><strong><b>Aluminum Alloy<\/b><\/strong><\/p><\/td><td width=\"113\"><p>61%<\/p><\/td><td width=\"113\"><p>205\u2013237<\/p><\/td><td width=\"113\"><p>Lightweight conductors<\/p><\/td><td width=\"113\"><p>Medium<\/p><\/td><\/tr><tr><td width=\"113\"><p><strong><b>Brass Casting<\/b><\/strong><\/p><\/td><td width=\"113\"><p>28%<\/p><\/td><td width=\"113\"><p>120<\/p><\/td><td width=\"113\"><p>Fittings, terminals<\/p><\/td><td width=\"113\"><p>High<\/p><\/td><\/tr><tr><td width=\"113\"><p><strong><b>Bronze Casting<\/b><\/strong><\/p><\/td><td width=\"113\"><p>15%<\/p><\/td><td width=\"113\"><p>60<\/p><\/td><td width=\"113\"><p>Bearings, bushings<\/p><\/td><td width=\"113\"><p>Very High<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-325d471 elementor-widget elementor-widget-elementskit-heading\" data-id=\"325d471\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">High Corrosion Resistance Without Alloying Elements<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a962fcd elementor-widget elementor-widget-text-editor\" data-id=\"a962fcd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>An often-overlooked advantage of non-alloyed copper is its inherent corrosion resistance. During the pure copper casting process, an oxide layer forms on the surface of the casting, effectively preventing further degradation of the material. Copper castings exhibit strong chemical stability in air and remain reliable even with moderate exposure to the environment.<\/p><p>In water supply systems and outdoor installations, copper castings maintain excellent performance without the need for coatings. This simplifies maintenance and reduces long-term costs. For infrastructure projects utilizing copper castings, the reduced use of additives also means fewer material variables to manage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39375a3 elementor-widget elementor-widget-elementskit-heading\" data-id=\"39375a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Ease of Machining and Post-Casting Finishing<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed6af3f elementor-widget elementor-widget-text-editor\" data-id=\"ed6af3f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pure copper offers excellent machinability and produces smooth cast surfaces. It is a favored material among manufacturers for its ease of machining. The copper casting process involves the following steps:<\/p><p>1) Precision turning or milling.<\/p><p>2) Deburring and polishing.<\/p><p>3) Final post-processing is performed to optimize surface quality.<\/p><p>During the manufacturing process, copper <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/5-factors-affect-the-investment-casting\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3402\">casting enhances surface quality<\/a>, ensures dimensional stability, and is compatible with CNC systems, thereby meeting customized manufacturing requirements. This flexibility ensures that casting projects can meet strict tolerance requirements, whether for power connectors or custom enclosures. Teams that partner with experienced copper casting service providers like Supro MFG frequently note that the machining process is highly predictable, which allows production to proceed smoothly and helps avoid unexpected issues.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d971c7 elementor-widget elementor-widget-elementskit-heading\" data-id=\"5d971c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Recyclability and Environmental Benefits<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b936df elementor-widget elementor-widget-text-editor\" data-id=\"1b936df\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sustainability is more important than ever, and copper casting aligns perfectly with this trend. Pure copper is 100% recyclable, with minimal loss of properties upon remelting, supporting full recyclability while maintaining performance.<\/p><p>Furthermore, scrap from copper cast parts can be directly reintroduced into the casting process. Quality remains uncompromised, and standards are upheld. This circular model not only makes copper casting practical but also a wise choice for forward-thinking companies.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-197ed57d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"197ed57d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4ecf244b\" data-id=\"4ecf244b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e0cbe23 elementor-widget elementor-widget-image\" data-id=\"e0cbe23\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/chinametalfoundry.com\/wp-content\/uploads\/2026\/04\/Copper-Casting-for-Electrical-Components.webp\" class=\"attachment-large size-large wp-image-4370\" alt=\"Copper Casting for Electrical Components\" srcset=\"https:\/\/chinametalfoundry.com\/wp-content\/uploads\/2026\/04\/Copper-Casting-for-Electrical-Components.webp 600w, https:\/\/chinametalfoundry.com\/wp-content\/uploads\/2026\/04\/Copper-Casting-for-Electrical-Components-300x200.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f14ab18 elementor-widget elementor-widget-elementskit-heading\" data-id=\"4f14ab18\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title  ekit-heading__title-has-border start\">Copper Casting: Selection of Casting Alloys for Electrical Components<\/h2>\t\t\t\t<div class='ekit-heading__description'>\n\t\t\t\t\t<p>Electrical performance begins at the smelting stage. A prudent selection of copper raw materials determines the conductivity, strength, and service life of critical electrical components. In copper casting, three alloy options offer the advantages of ultra-high strength, a balance of conductivity and machinability, and fatigue resistance, respectively. Engineers can select the appropriate alloy based on specific electrical and mechanical load requirements.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61a9f117 elementor-widget elementor-widget-elementskit-heading\" data-id=\"61a9f117\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Beryllium Copper Casting for High-Strength Contacts<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10d349d4 elementor-widget elementor-widget-text-editor\" data-id=\"10d349d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When high loads and strict tolerance requirements coexist, beryllium-containing copper castings are an excellent choice. Copper alloys containing 1.8\u20132.0% beryllium achieve tensile strengths exceeding 1,200 MPa after heat treatment, effectively increasing the hardness of the castings and enhancing wear resistance in sliding contacts.<\/p><p>This alloy formulation ensures high strength while maintaining the machinability of electrical contact geometries. A conductivity of 20\u201330% IACS provides a balance between electrical and mechanical properties. Typical applications include heavy-duty relay contacts, aerospace connectors, and industrial switchgear.<\/p><p>At Supro MFG, our copper casting and post-casting aging processes are fully optimized, ensuring that the <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/sand-casting-prototypes\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4634\">cast copper components<\/a> consistently meet specifications without any issues.<\/p><p>The following is a comparison of the <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/aluminum-investment-casting-heat-treatment-optimizing-t6-properties-for-a356-and-alsi10mg\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2064\">properties of cast copper alloys before and after heat treatment<\/a>:<\/p><table><tbody><tr><td width=\"113\"><p><strong><b>Property<\/b><\/strong><\/p><\/td><td width=\"113\"><p><strong><b>As-Cast<\/b><\/strong><\/p><\/td><td width=\"113\"><p><strong><b>Heat Treated<\/b><\/strong><\/p><\/td><td width=\"113\"><p><strong><b>Unit<\/b><\/strong><\/p><\/td><td width=\"113\"><p><strong><b>Application Impact<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"113\"><p><strong><b>Tensile Strength<\/b><\/strong><\/p><\/td><td width=\"113\"><p>600<\/p><\/td><td width=\"113\"><p>1250<\/p><\/td><td width=\"113\"><p>MPa<\/p><\/td><td width=\"113\"><p>Long-term load<\/p><\/td><\/tr><tr><td width=\"113\"><p><strong><b>Conductivity<\/b><\/strong><\/p><\/td><td width=\"113\"><p>18<\/p><\/td><td width=\"113\"><p>28<\/p><\/td><td width=\"113\"><p>% IACS<\/p><\/td><td width=\"113\"><p>Signal flow<\/p><\/td><\/tr><tr><td width=\"113\"><p><strong><b>Hardness<\/b><\/strong><\/p><\/td><td width=\"113\"><p>180<\/p><\/td><td width=\"113\"><p>380<\/p><\/td><td width=\"113\"><p>HV<\/p><\/td><td width=\"113\"><p>Contact wear<\/p><\/td><\/tr><tr><td width=\"113\"><p><strong><b>Allongement<\/b><\/strong><\/p><\/td><td width=\"113\"><p>8<\/p><\/td><td width=\"113\"><p>3<\/p><\/td><td width=\"113\"><p>%<\/p><\/td><td width=\"113\"><p>Form stability<\/p><\/td><\/tr><tr><td width=\"113\"><p><strong><b>Density<\/b><\/strong><\/p><\/td><td width=\"113\"><p>8.3<\/p><\/td><td width=\"113\"><p>8.3<\/p><\/td><td width=\"113\"><p>g\/cm\u00b3<\/p><\/td><td width=\"113\"><p>Weight control<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93fba16 elementor-widget elementor-widget-elementskit-heading\" data-id=\"93fba16\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Tellurium Copper: Balancing Conductivity and Machinability<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3787f7 elementor-widget elementor-widget-text-editor\" data-id=\"a3787f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In the field of copper casting, tellurium-copper achieves a unique balance between electrical conductivity and machinability. By adding trace amounts of tellurium, castings maintain an IACS conductivity of over 90% while producing smooth chip cross-sections and significantly reducing tool wear. This advantage extends throughout the entire copper casting process, ensuring reliable and smooth machined surfaces for precision electronic components.<\/p><p>In copper casting projects requiring precision threads or fine features, the use of tellurium-containing copper alloys can reduce secondary machining time. It minimizes vibration, resulting in smoother tapping. Supro MFG typically recommends this process for busbar and terminal manufacturing where both a polished finish and high performance are required.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82fe7eb elementor-widget elementor-widget-elementskit-heading\" data-id=\"82fe7eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Phosphor Bronze Solutions for Spring Contacts<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de48ebb elementor-widget elementor-widget-text-editor\" data-id=\"de48ebb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In the field of copper casting, phosphor bronze has become the material of choice for spring contact applications due to its unique shape memory properties. The addition of tin and trace amounts of phosphorus to the copper matrix refines the grain structure and enhances corrosion resistance. Through an <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/optimizing-sand-casting-parameters\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5339\">optimized copper casting process<\/a>, the castings maintain stable spring force even after millions of cycles, while also offering excellent electrical conductivity and resistance to oxidation.<\/p><p>For designers who need to balance cost and durability, phosphor bronze castings ensure that components are both compact and robust. From battery clips to terminal springs, the cast <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/aluminum-die-casting-mold-design-5-parameters-that-cut-project-risks-defect-rates-by-30\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1737\">copper alloys<\/a> manufactured by Supro MFG ensure smooth current flow while effectively reducing the rate of post-sales repairs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3dbf85c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3dbf85c\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5aaf0e6\" data-id=\"5aaf0e6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d109231 elementor-widget elementor-widget-elementskit-heading\" data-id=\"5d109231\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title  ekit-heading__title-has-border start\">Contacter Supro-Mfg<\/h2><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71abc075 elementor-widget elementor-widget-text-editor\" data-id=\"71abc075\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Copper casting offers a clear <a href=\"https:\/\/chinametalfoundry.com\/fr\/blog\/aluminum-alloy-castings-protection-how-to-prevent-white-rust-and-corrosion\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1749\">selection path between pure copper and copper alloys:<\/a> Pure copper excels in high electrical and thermal conductivity, corrosion resistance, machinability, and recyclability, making it suitable for thermosensitive and electrical applications; beryllium copper, tellurium copper, and phosphor bronze, on the other hand, meet the requirements for high-strength contacts, precision machining, and spring fatigue resistance, respectively. Leveraging a well-established copper casting process, engineers can strike a precise balance between performance and cost, ensuring the reliable service life of copper castings.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Copper casting offers a diverse range of options\u2014from pure copper to high-performance alloys\u2014for electrical, thermal management, and structural applications. The [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4378,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[52],"tags":[],"class_list":["post-4362","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-alloys"],"_links":{"self":[{"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/posts\/4362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/comments?post=4362"}],"version-history":[{"count":61,"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/posts\/4362\/revisions"}],"predecessor-version":[{"id":7562,"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/posts\/4362\/revisions\/7562"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/media\/4378"}],"wp:attachment":[{"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/media?parent=4362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/categories?post=4362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chinametalfoundry.com\/fr\/wp-json\/wp\/v2\/tags?post=4362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}