{"id":7719,"date":"2026-09-13T15:38:27","date_gmt":"2026-09-13T15:38:27","guid":{"rendered":"https:\/\/chinametalfoundry.com\/?p=7719"},"modified":"2026-09-21T08:25:01","modified_gmt":"2026-09-21T08:25:01","slug":"acabado-de-superficies-de-fundicion","status":"publish","type":"post","link":"https:\/\/chinametalfoundry.com\/es\/blog\/casting-surface-finishing\/","title":{"rendered":"Acabado de superficies de piezas fundidas: granallado, pulido y recubrimiento"},"content":{"rendered":"<p><!-- ============================================================ Article: Casting Surface Finishing (P2-04) Focus keyword: casting surface finishing ============================================================ --><\/p>\n<article class=\"sc-article\" style=\"max-width: 820px; margin: 0 auto; font-family: 'Poppins',sans-serif; color: #7e7e7e; font-size: 16px; line-height: 1.7;\"><!-- \u5f15\u8a00 --><\/p>\n<div class=\"sc-intro\" style=\"background: #F5F5F5; border-radius: 20px; padding: 22px 24px; font-style: italic; color: #3a3a3a; margin: 0 0 26px; line-height: 1.6;\">\n<p style=\"margin: 0;\">For B2B buyers, <strong style=\"color: #273171;\">acabado de superficies de fundici\u00f3n<\/strong> is rarely a cosmetic afterthought \u2014 it dictates paint adhesion, sealing performance, fatigue life, and whether a part passes a 100% visual inspection at incoming quality control. A 1.6\u00a0\u00b5m Ra on an as-cast aluminum housing versus a 6.3\u00a0\u00b5m Ra often decides if the downstream coater has to bead-blast anyway, and who pays for the rework.<\/p>\n<\/div>\n<p style=\"margin: 0 0 18px;\">This guide walks shop-floor buyers and design engineers through the <strong style=\"color: #273171;\">acabado de superficies de fundici\u00f3n<\/strong> options that actually hold up in production: mechanical blasting, hand and robotic polishing, conversion coatings, and paint or powder systems. Real numbers come from <a style=\"color: #086ad4; text-decoration: none;\" href=\"https:\/\/www.afsinc.org\" target=\"_blank\" rel=\"noopener\">AFS Casting Source Directory<\/a> finishing reference data and shop-floor records at Supro MFG.<\/p>\n<p><!-- \u914d\u56fe 1 --><\/p>\n<figure style=\"margin: 24px 0;\"><img decoding=\"async\" style=\"width: 100%; display: block; border-radius: 4px;\" src=\"https:\/\/chinametalfoundry.com\/wp-content\/uploads\/2026\/09\/Side_by_side_comparison_photo__2026-09-13T01-04-20.webp\" alt=\"casting surface finishing comparison: shot-blasted iron part vs polished aluminum part on shop table\" \/><figcaption style=\"font-size: 13px; color: #7e7e7e; text-align: center; margin-top: 8px;\">Figure 1 \u2014 Two casting surface finishing outcomes from the same alloy family: blast profile (left) vs polished profile (right).<\/figcaption><\/figure>\n<p><!-- H2 1 --><\/p>\n<h2 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 25px; font-weight: 600; line-height: 1.3; margin: 34px 0 14px; padding: 4px 0 4px 30px; background: linear-gradient(to right, #ff512f 0px, #dd2476 5px, transparent 5px);\">Why Casting Surface Finishing Is a Sourcing Decision, Not a Final Step<\/h2>\n<p style=\"margin: 0 0 18px;\">Roughness, draft marks, micro-shrinkage, and oxide scale all ride along on the raw casting. If you wait until <a style=\"color: #086ad4; text-decoration: none;\" href=\"\/es\/blog\/defectos-comunes-en-la-fundicion-y-como-evitarlos\/\" target=\"_blank\" rel=\"noopener\">defectos comunes en la fundici\u00f3n<\/a> show up at the customer site to address surface quality, you have already paid for the wrong process. Procurement teams that lock finishing grade, blasting media, and coating spec into the <strong style=\"color: #273171;\">acabado de superficies de fundici\u00f3n<\/strong> RFQ up-front typically avoid two rounds of part rejection.<\/p>\n<ul style=\"margin: 0 0 18px; padding-left: 22px;\">\n<li style=\"margin: 0 0 8px;\"><strong style=\"color: #273171;\">Functional surfaces<\/strong> \u2014 bearing bores, seal lands, hydraulic spools \u2014 usually require 0.8\u20131.6\u00a0\u00b5m Ra and a defined lay pattern.<\/li>\n<li style=\"margin: 0 0 8px;\"><strong style=\"color: #273171;\">Painted or coated cosmetic surfaces<\/strong> generally need 3.2\u20136.3\u00a0\u00b5m Ra to give the coating mechanical anchor.<\/li>\n<li style=\"margin: 0 0 8px;\"><strong style=\"color: #273171;\">As-shipped raw surfaces<\/strong> for industrial housings can ride at 6.3\u201312.5\u00a0\u00b5m Ra if the spec allows oil or wax protection.<\/li>\n<\/ul>\n<p><!-- H2 2 --><\/p>\n<h2 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 25px; font-weight: 600; line-height: 1.3; margin: 34px 0 14px; padding: 4px 0 4px 30px; background: linear-gradient(to right, #ff512f 0px, #dd2476 5px, transparent 5px);\">Mechanical Surface Preparation: Blasting, Grinding, and Polishing<\/h2>\n<p style=\"margin: 0 0 18px;\">Most <strong style=\"color: #273171;\">acabado de superficies de fundici\u00f3n<\/strong> lines start with mechanical prep. The choice depends on substrate hardness, the geometry of the part, and what the next operation is.<\/p>\n<h3 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 20px; font-weight: 600; line-height: 1.4; margin: 26px 0 8px; text-transform: capitalize;\">Shot and bead blasting<\/h3>\n<hr style=\"width: 100px; height: 4px; background: #EF890D; border: none; border-radius: 2px; margin: 0 0 14px; line-height: 0; opacity: 1;\" \/>\n<p style=\"margin: 0 0 18px;\">Steel shot at 0.4\u20130.8\u00a0mm cuts a peened profile of 3.2\u20136.3\u00a0\u00b5m Ra on iron and steel castings, while glass bead at 100\u2013200\u00a0\u00b5m gives aluminum castings a smoother 1.6\u20133.2\u00a0\u00b5m Ra satin finish. Coverage of 100\u2013120% of the surface area is the typical shop standard; below that, residual oxide pulls paint adhesion down by roughly 30%. For critical aluminum housings in our shop, bead blasting also acts as a light <a style=\"color: #086ad4; text-decoration: none;\" href=\"\/es\/blog\/maximizing-sand-casting-surface\/\" target=\"_blank\" rel=\"noopener\">sand casting surface<\/a> refinement step before conversion coating.<\/p>\n<h3 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 20px; font-weight: 600; line-height: 1.4; margin: 26px 0 8px; text-transform: capitalize;\">Hand and robotic grinding<\/h3>\n<hr style=\"width: 100px; height: 4px; background: #EF890D; border: none; border-radius: 2px; margin: 0 0 14px; line-height: 0; opacity: 1;\" \/>\n<p style=\"margin: 0 0 18px;\">Grinding is reserved for parting-line flash, sprue stubs, and riser contacts. A standard 60-grit ceramic disc removes roughly 0.2\u20130.4\u00a0mm per pass on gray iron; switching to 120-grit drops material removal to 0.05\u00a0mm per pass and leaves a finish suitable for direct paint. Robotic grinding is now standard on volume runs above 5,000 pieces per month where the cycle time is steady.<\/p>\n<h3 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 20px; font-weight: 600; line-height: 1.4; margin: 26px 0 8px; text-transform: capitalize;\">Polishing and buffing<\/h3>\n<hr style=\"width: 100px; height: 4px; background: #EF890D; border: none; border-radius: 2px; margin: 0 0 14px; line-height: 0; opacity: 1;\" \/>\n<p style=\"margin: 0 0 18px;\">Mirror finishes under 0.4\u00a0\u00b5m Ra only make sense on stainless investment castings used for sanitary or food-grade applications. The cost is real: an experienced polisher handles 8\u201312 small parts per hour, and a robotic cell runs 50\u201380 parts per hour with a 10\u201315% rework rate on first article. We generally recommend polishing only after <a style=\"color: #086ad4; text-decoration: none;\" href=\"\/es\/blog\/como-elegir-una-aleacion-para-fundicion\/\" target=\"_blank\" rel=\"noopener\">alloy selection<\/a> and gating design have been frozen.<\/p>\n<p><!-- \u5bf9\u6bd4\u8868 --><\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 18px 0 24px; font-size: 15px; color: #333333;\">\n<thead>\n<tr>\n<th style=\"background: #273171; color: #ffffff; padding: 12px 14px; text-align: left; font-weight: 600; border: 1px solid #273171;\">M\u00e9todo<\/th>\n<th style=\"background: #273171; color: #ffffff; padding: 12px 14px; text-align: left; font-weight: 600; border: 1px solid #273171;\">Typical Ra range<\/th>\n<th style=\"background: #273171; color: #ffffff; padding: 12px 14px; text-align: left; font-weight: 600; border: 1px solid #273171;\">Best substrate<\/th>\n<th style=\"background: #273171; color: #ffffff; padding: 12px 14px; text-align: left; font-weight: 600; border: 1px solid #273171;\">Cost driver<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Steel shot blasting<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">3.2\u20136.3\u00a0\u00b5m<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Iron &amp; steel<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Media wear<\/td>\n<\/tr>\n<tr style=\"background: #F5F5F5;\">\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Glass bead blasting<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">1.6\u20133.2\u00a0\u00b5m<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Aluminum, zinc<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Bead cost<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Robotic grinding<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">1.6\u20134.0\u00a0\u00b5m<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Any cast metal<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Cell capex<\/td>\n<\/tr>\n<tr style=\"background: #F5F5F5;\">\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Manual polishing<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">0.2\u20130.8\u00a0\u00b5m<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Stainless, brass<\/td>\n<td style=\"border: 1px solid #E5E5E5; padding: 10px 14px;\">Labor hours<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- H2 3 --><\/p>\n<h2 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 25px; font-weight: 600; line-height: 1.3; margin: 34px 0 14px; padding: 4px 0 4px 30px; background: linear-gradient(to right, #ff512f 0px, #dd2476 5px, transparent 5px);\">Chemical and Conversion Coatings Before Paint<\/h2>\n<p style=\"margin: 0 0 18px;\">After mechanical prep, most ferrous and aluminum castings get a conversion layer. The right chemistry depends on whether the part lives indoors, outdoors, or under a vehicle.<\/p>\n<ul style=\"margin: 0 0 18px; padding-left: 22px;\">\n<li style=\"margin: 0 0 8px;\"><strong style=\"color: #273171;\">Iron phosphate (Fe-Ph)<\/strong> on steel and iron \u2014 coating weight 1.0\u20132.5\u00a0g\/m\u00b2, paint adhesion rated 4B\u20135B on ASTM D3359 cross-hatch. Suited to indoor and under-hood duty.<\/li>\n<li style=\"margin: 0 0 8px;\"><strong style=\"color: #273171;\">Zinc phosphate (Zn-Ph)<\/strong> on steel \u2014 coating weight 1.5\u20133.0\u00a0g\/m\u00b2, paired with a seal rinse for salt-spray life beyond 500 hours ASTM B117.<\/li>\n<li style=\"margin: 0 0 8px;\"><strong style=\"color: #273171;\">Chromate conversion on aluminum<\/strong> per MIL-DTL-5541, classes 1A and 3 \u2014 used as a paint base or as a standalone corrosion layer for indoor service.<\/li>\n<\/ul>\n<p style=\"margin: 0 0 18px;\">Outdoor and under-chassis parts step up to zinc-rich primer, epoxy mid-coat, and a top coat, or to powder coating at 60\u201380\u00a0\u00b5m DFT. Our field data on underbody brackets shows that an e-coat plus powder top-coat extends <a style=\"color: #086ad4; text-decoration: none;\" href=\"\/es\/blog\/sand-casting-corrosion-resistance\/\" target=\"_blank\" rel=\"noopener\">resistencia a la corrosi\u00f3n<\/a> past 1,000 hours ASTM B117 versus roughly 240 hours for liquid paint alone.<\/p>\n<p><!-- \u914d\u56fe 2 --><\/p>\n<figure style=\"margin: 24px 0;\"><img decoding=\"async\" style=\"width: 100%; display: block; border-radius: 4px;\" src=\"https:\/\/chinametalfoundry.com\/wp-content\/uploads\/2026\/09\/Clean_wide_angle_industrial_ph_2026-09-13T01-04-54.webp\" alt=\"casting surface finishing coating line: aluminum housings moving through powder coating line on overhead conveyor\" \/><figcaption style=\"font-size: 13px; color: #7e7e7e; text-align: center; margin-top: 8px;\">Figure 2 \u2014 Powder coating as the final casting surface finishing step on aluminum housings.<\/figcaption><\/figure>\n<p><!-- H2 4 --><\/p>\n<h2 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 25px; font-weight: 600; line-height: 1.3; margin: 34px 0 14px; padding: 4px 0 4px 30px; background: linear-gradient(to right, #ff512f 0px, #dd2476 5px, transparent 5px);\">How Casting Surface Finishing Fits the Wider Process Chain<\/h2>\n<p style=\"margin: 0 0 18px;\">Surface finish is the end of a chain that started with alloy pour and mold design. Iron-rich skins on ductile iron, oxide entrapment on aluminum <a style=\"color: #086ad4; text-decoration: none;\" href=\"\/es\/blog\/guia-de-fundicion-de-metales\/\" target=\"_blank\" rel=\"noopener\">fundici\u00f3n de metales<\/a> pours, and microporosity on investment castings all translate into surface defects that finishing cannot fully hide \u2014 only mask. The cleanest <strong style=\"color: #273171;\">acabado de superficies de fundici\u00f3n<\/strong> outcomes we ship come from parts where the upstream <a style=\"color: #086ad4; text-decoration: none;\" href=\"\/es\/blog\/fundicion-en-arena-vs-fundicion-a-la-cera-perdida\/\" target=\"_blank\" rel=\"noopener\">casting process selection<\/a>, <a style=\"color: #086ad4; text-decoration: none;\" href=\"\/es\/blog\/tratamiento-termico-de-piezas-fundidas\/\" target=\"_blank\" rel=\"noopener\">tratamiento t\u00e9rmico<\/a>, and finishing spec were agreed before tooling cut.<\/p>\n<p style=\"margin: 0 0 18px;\">If you are scoping an RFQ, a useful order is: define the Ra range and visual standard \u2192 pick the blasting or grinding method \u2192 lock the conversion coating and paint system \u2192 only then commit to a finishing partner. Reversing that order tends to add 20\u201335% to the per-part finishing cost on the first three production lots.<\/p>\n<p><!-- FAQ --><\/p>\n<h2 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 25px; font-weight: 600; line-height: 1.3; margin: 34px 0 14px; padding: 4px 0 4px 30px; background: linear-gradient(to right, #ff512f 0px, #dd2476 5px, transparent 5px);\">Preguntas frecuentes<\/h2>\n<h3 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 20px; font-weight: 600; line-height: 1.4; margin: 22px 0 8px;\">What Ra range should I specify for a painted iron casting?<\/h3>\n<p style=\"margin: 0 0 18px;\">A 3.2\u20136.3\u00a0\u00b5m Ra is the practical sweet spot for painted iron castings. Below 1.6\u00a0\u00b5m Ra the paint anchor is too shallow; above 12.5\u00a0\u00b5m Ra the profile peaks show through the top coat.<\/p>\n<h3 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 20px; font-weight: 600; line-height: 1.4; margin: 22px 0 8px;\">Can I skip blasting if the casting already looks smooth?<\/h3>\n<p style=\"margin: 0 0 18px;\">No \u2014 visible smoothness does not equal coating-ready surface. A light bead or shot blast at 100% coverage is the cheapest insurance against paint delamination, even on cosmetic surfaces.<\/p>\n<h3 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 20px; font-weight: 600; line-height: 1.4; margin: 22px 0 8px;\">How long does a conversion coating plus powder top coat last outdoors?<\/h3>\n<p style=\"margin: 0 0 18px;\">A zinc phosphate plus polyester powder top coat at 60\u201380\u00a0\u00b5m DFT typically reaches 1,000+ hours ASTM B117 salt spray. Marine or de-icing salt duty needs a zinc-rich primer plus epoxy, or a duplex zinc-flake system.<\/p>\n<h3 style=\"font-family: 'Poppins',sans-serif; color: #273171; font-size: 20px; font-weight: 600; line-height: 1.4; margin: 22px 0 8px;\">Does finishing cost more than the casting itself?<\/h3>\n<p style=\"margin: 0 0 18px;\">On complex, precision-grade parts, finishing and inspection together can run 30\u201360% of the total part cost. Locking the spec early is the strongest lever to keep that share in the lower end of the range.<\/p>\n<p><!-- \u7ed3\u5c3e --><br \/>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"3550\" class=\"elementor elementor-3550\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-19b1acf1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"19b1acf1\" 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-56e26ed6\" data-id=\"56e26ed6\" 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-52c3d00c elementor-widget elementor-widget-elementskit-heading\" data-id=\"52c3d00c\" 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\">\u00bfBusca una fundici\u00f3n de metales confiable en China?<\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24c75aa0 elementor-widget elementor-widget-text-editor\" data-id=\"24c75aa0\" 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>Podemos ayudarte a optimizar el dise\u00f1o de tus productos y a reducir costos.<\/li><li>Podemos ayudarte con piezas de fundici\u00f3n de alta calidad y en grandes cantidades.<\/li><li>Podemos entregar a tiempo y conseguir m\u00e1s oportunidades en el mercado de ventas.<\/li><li>Te beneficiar\u00e1s del servicio de fundici\u00f3n de metales de Supro MFG.<\/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-51a20937 elementor-align-left elementor-widget elementor-widget-global elementor-global-1143 elementor-widget-button\" data-id=\"51a20937\" 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\/es\/contacto\/\">\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\">Solicitar una cotizaci\u00f3n directa de f\u00e1brica <\/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<\/div>\n\t\t<\/p>\n<p class=\"sc-note\" style=\"font-size: 13px; color: #9a9a9a; margin: 28px 0 0;\">*Data referenced from AFS Casting Source Directory and Supro MFG shop-floor records.<\/p>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>For B2B buyers, casting surface finishing is rarely a cosmetic afterthought \u2014 it dictates paint adhesion, sealing performance, fatigue life, [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":7721,"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":"default","adv-header-id-meta":"","stick-header-meta":"default","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":[54],"tags":[47,49,42,43],"class_list":["post-7719","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quality-processes","tag-casting-process","tag-manufacturing-process","tag-metal-casting","tag-sand-casting"],"_links":{"self":[{"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/posts\/7719","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/comments?post=7719"}],"version-history":[{"count":3,"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/posts\/7719\/revisions"}],"predecessor-version":[{"id":7724,"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/posts\/7719\/revisions\/7724"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/media\/7721"}],"wp:attachment":[{"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/media?parent=7719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/categories?post=7719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chinametalfoundry.com\/es\/wp-json\/wp\/v2\/tags?post=7719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}