{"id":670,"date":"2025-12-01T11:11:47","date_gmt":"2025-12-01T11:11:47","guid":{"rendered":"https:\/\/yonglihaomachinery.com\/?p=670"},"modified":"2025-12-05T12:29:52","modified_gmt":"2025-12-05T12:29:52","slug":"black-oxide","status":"publish","type":"post","link":"https:\/\/yonglihaomachinery.com\/de\/black-oxide\/","title":{"rendered":"Schwarzoxid-Dienstleistungen"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"670\" class=\"elementor elementor-670\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e191d27 e-flex e-con-boxed e-con e-parent\" data-id=\"e191d27\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-74aceac e-con-full e-flex e-con e-child\" data-id=\"74aceac\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a4b0306 elementor-widget elementor-widget-heading\" data-id=\"a4b0306\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Black Oxide Services<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-031117a elementor-widget elementor-widget-text-editor\" data-id=\"031117a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Yonglihao Machinery offers black oxide finishing to create a clean, black, low-glare surface with minimal impact on dimensions. This chemical conversion finish is commonly used for steel parts that require a uniform black appearance and improved handling.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4c0b4c elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"c4c0b4c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-dot-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm80 248c0 44.112-35.888 80-80 80s-80-35.888-80-80 35.888-80 80-80 80 35.888 80 80z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Matte black look with reduced glare<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-dot-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm80 248c0 44.112-35.888 80-80 80s-80-35.888-80-80 35.888-80 80-80 80 35.888 80 80z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Ultra-thin layer that preserves fits<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-dot-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm80 248c0 44.112-35.888 80-80 80s-80-35.888-80-80 35.888-80 80-80 80 35.888 80 80z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Cost-effective for fast production parts<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a7c1d9 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"0a7c1d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/yonglihaomachinery.com\/de\/24-hours-quick-quote\/\" 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\">Get Instant Quote<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c349501 e-con-full e-flex e-con e-child\" data-id=\"c349501\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f544aa elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"9f544aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2023\/12\/10003.jpg\" class=\"attachment-medium_large size-medium_large wp-image-669\" alt=\"Black oxide services-Surface finishes\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2023\/12\/10003.jpg 500w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2023\/12\/10003-300x300.jpg 300w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2023\/12\/10003-150x150.jpg 150w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-25094fb e-flex e-con-boxed e-con e-parent\" data-id=\"25094fb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aefc082 elementor-widget elementor-widget-breadcrumbs\" data-id=\"aefc082\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/yonglihaomachinery.com\/\">Home<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2855bab e-flex e-con-boxed e-con e-parent\" data-id=\"2855bab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-b93a6e6 e-con-full e-flex e-con e-child\" data-id=\"b93a6e6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e3d1fee elementor-widget elementor-widget-image\" data-id=\"e3d1fee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"578\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Black-oxide-treatment-for-precision-carbon-steel-CNC-parts1.webp\" class=\"attachment-medium_large size-medium_large wp-image-25575\" alt=\"Black oxide treatment for precision carbon steel CNC parts\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Black-oxide-treatment-for-precision-carbon-steel-CNC-parts1.webp 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Black-oxide-treatment-for-precision-carbon-steel-CNC-parts1-300x226.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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<div class=\"elementor-element elementor-element-73b7745 e-con-full e-flex e-con e-child\" data-id=\"73b7745\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0df9213 elementor-widget elementor-widget-heading\" data-id=\"0df9213\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Is Black Oxide?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e993f72 elementor-widget elementor-widget-text-editor\" data-id=\"e993f72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Black oxide is a chemical process that converts the metal surface into a dark oxide layer. On ferrous metals, it forms black iron oxide (magnetite, Fe\u2083O\u2084), resulting in a uniform black finish with minimal thickness.<\/p><p>It is most commonly applied to steel and corrosion-resistant steels. Blackening processes are also available for stainless steel and copper\/copper alloys, but these require specific chemistry and should be confirmed during the RFQ stage.<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1db24ac e-flex e-con-boxed e-con e-parent\" data-id=\"1db24ac\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-50ffc11 elementor-widget elementor-widget-heading\" data-id=\"50ffc11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">One-Stop Manufacturing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-404cac1 elementor-widget elementor-widget-text-editor\" data-id=\"404cac1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>We can apply black oxide as a finishing step for parts made through:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0a5b36 elementor-posts--align-center elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts\" data-id=\"a0a5b36\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cards_columns&quot;:&quot;3&quot;,&quot;cards_columns_tablet&quot;:&quot;2&quot;,&quot;cards_columns_mobile&quot;:&quot;1&quot;,&quot;cards_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;cards_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;cards_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.cards\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-cards elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-10241 page type-page status-publish has-post-thumbnail hentry\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/metal-welding-service\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"768\" height=\"505\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10001-1-1.jpg\" class=\"attachment-medium_large size-medium_large wp-image-10250\" alt=\"Custom Metal Welding Service-Yonglihao Machinery\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10001-1-1.jpg 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10001-1-1-300x197.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/metal-welding-service\/\" >\n\t\t\t\tMetal Welding Service\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-10287 page type-page status-publish has-post-thumbnail hentry\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/metal-bending-services\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10001-7.jpg\" class=\"attachment-medium_large size-medium_large wp-image-10304\" alt=\"Custom Metal Bending Services-Yonglihao Machinery\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10001-7.jpg 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10001-7-300x200.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/metal-bending-services\/\" >\n\t\t\t\tMetal Bending Services\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-27 page type-page status-publish has-post-thumbnail hentry\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/metal-stamping-services\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"522\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2023\/11\/Metal-Stamping-Services-768x522.jpg\" class=\"attachment-medium_large size-medium_large wp-image-30\" alt=\"Metal Stamping Services-Yonglihao Machinery\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2023\/11\/Metal-Stamping-Services-768x522.jpg 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2023\/11\/Metal-Stamping-Services-300x204.jpg 300w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2023\/11\/Metal-Stamping-Services.jpg 800w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/metal-stamping-services\/\" >\n\t\t\t\tMetal Stamping Services\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-833 page type-page status-publish has-post-thumbnail hentry\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/cnc-machining\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"578\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/11\/CNC-Machining-parts1.webp\" class=\"attachment-medium_large size-medium_large wp-image-24493\" alt=\"CNC Machining parts\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/11\/CNC-Machining-parts1.webp 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/11\/CNC-Machining-parts1-300x226.webp 300w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/11\/CNC-Machining-parts1-16x12.webp 16w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/cnc-machining\/\" >\n\t\t\t\tCNC Machining Service\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-10175 page type-page status-publish has-post-thumbnail hentry\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/laser-cutting-service\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10002-3.jpg\" class=\"attachment-medium_large size-medium_large wp-image-10182\" alt=\"Custom Online Laser Cutting Service-Yonglihao Machinery\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10002-3.jpg 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10002-3-300x200.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/laser-cutting-service\/\" >\n\t\t\t\tLaser Cutting Service\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-10318 page type-page status-publish has-post-thumbnail hentry\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/investment-casting-services\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10001-8.jpg\" class=\"attachment-medium_large size-medium_large wp-image-10346\" alt=\"Custom Investment Casting Services\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10001-8.jpg 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10001-8-300x200.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/investment-casting-services\/\" >\n\t\t\t\tInvestment Casting Services\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-10002 page type-page status-publish has-post-thumbnail hentry\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/die-casting-services\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10006.jpg\" class=\"attachment-medium_large size-medium_large wp-image-10035\" alt=\"Die Casting Services-Yonglihao Machinery\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10006.jpg 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10006-300x200.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/die-casting-services\/\" >\n\t\t\t\tDie Casting Services\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-9938 page type-page status-publish has-post-thumbnail hentry\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/wire-edm-machining-services\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10004.jpg\" class=\"attachment-medium_large size-medium_large wp-image-9957\" alt=\"Wire EDM Machining Services-Yonglihao Machinery\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10004.jpg 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2024\/07\/10004-300x200.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/wire-edm-machining-services\/\" >\n\t\t\t\tWire EDM Machining Services\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-afa0d26 e-flex e-con-boxed e-con e-parent\" data-id=\"afa0d26\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-de87e89 elementor-widget elementor-widget-heading\" data-id=\"de87e89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Surface Preparation &amp; Final Appearance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f51cb50 elementor-widget elementor-widget-text-editor\" data-id=\"f51cb50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"text-sm\">Black oxide is a conversion finish, meaning it does not cover up scratches, dents, pits, or machining marks. The final appearance depends heavily on the base surface condition and cleaning quality.<\/p><ul class=\"list-inside list-disc py-1.5 pl-5xl text-sm [&amp;_ol]:py-0 [&amp;_ol]:pl-4 [&amp;_ul]:py-0 [&amp;_ul]:pl-4\"><li class=\"[&amp;&gt;p]:inline\"><strong class=\"font-semibold\">Thickness:<\/strong>\u00a0Typically 0.5\u20132.5 \u03bcm, depending on the process.<\/li><li class=\"[&amp;&gt;p]:inline\"><strong class=\"font-semibold\">Corrosion Resistance:<\/strong>\u00a0Often paired with a seal (oil or wax) for added protection.<\/li><\/ul><div class=\"overflow-auto py-1.5\"><table class=\"w-full table-auto border-collapse border border-neutral\"><thead class=\"bg-surface-light-recessed\"><tr class=\"border border-neutral\"><th class=\"border border-neutral p-2 text-left\"><strong class=\"font-semibold\">Surface Preparation<\/strong><\/th><th class=\"border border-neutral p-2 text-left\"><strong class=\"font-semibold\">Color<\/strong><\/th><th class=\"border border-neutral p-2 text-left\"><strong class=\"font-semibold\">Applicable Materials<\/strong><\/th><th class=\"border border-neutral p-2 text-left\"><strong class=\"font-semibold\">Typical Thickness<\/strong><\/th><th class=\"border border-neutral p-2 text-left\"><strong class=\"font-semibold\">Visual Appearance<\/strong><\/th><\/tr><\/thead><tbody><tr class=\"border border-neutral\"><td class=\"border border-neutral p-2 text-left\">As-machined (Ra 3.2 \u03bcm \/ 126 \u03bcin)<\/td><td class=\"border border-neutral p-2 text-left\">Black<\/td><td class=\"border border-neutral p-2 text-left\">Steel, stainless steel (process-dependent), copper\/copper alloys<\/td><td class=\"border border-neutral p-2 text-left\">~0.5\u20132.5 \u03bcm<\/td><td class=\"border border-neutral p-2 text-left\">Smooth to matte black (surface-dependent)<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2122f46 e-flex e-con-boxed e-con e-parent\" data-id=\"2122f46\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-188a93b e-con-full e-flex e-con e-child\" data-id=\"188a93b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ec7d67a elementor-widget elementor-widget-heading\" data-id=\"ec7d67a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9dd42ad e-con-full e-flex e-con e-child\" data-id=\"9dd42ad\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f862a7 elementor-widget elementor-widget-text-editor\" data-id=\"4f862a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"font-semibold pdf-heading-class-replace pb-xxs text-lg leading-[30px] [&amp;:not(:first-child)]:pt-[15px] [&amp;_.underline]:underline-offset-[6px] [&amp;_a]:underline-offset-[6px]\"><strong class=\"font-semibold\">What materials can be blackened?<\/strong><\/h3><p class=\"text-sm\">Black oxide works best on steel and corrosion-resistant steels. Stainless steel and copper can also be blackened with substrate-specific processes (confirm by grade).<\/p><h3 class=\"font-semibold pdf-heading-class-replace pb-xxs text-lg leading-[30px] [&amp;:not(:first-child)]:pt-[15px] [&amp;_.underline]:underline-offset-[6px] [&amp;_a]:underline-offset-[6px]\"><strong class=\"font-semibold\">Will it change part dimensions?<\/strong><\/h3><p class=\"text-sm\">No, it\u2019s an ultra-thin finish and is usually considered negligible for most fits.<\/p><h3 class=\"font-semibold pdf-heading-class-replace pb-xxs text-lg leading-[30px] [&amp;:not(:first-child)]:pt-[15px] [&amp;_.underline]:underline-offset-[6px] [&amp;_a]:underline-offset-[6px]\"><strong class=\"font-semibold\">Does black oxide prevent rust?<\/strong><\/h3><p class=\"text-sm\">It offers limited corrosion protection on its own. Adding a seal (oil or wax) significantly improves resistance.<\/p><h3 class=\"font-semibold pdf-heading-class-replace pb-xxs text-lg leading-[30px] [&amp;:not(:first-child)]:pt-[15px] [&amp;_.underline]:underline-offset-[6px] [&amp;_a]:underline-offset-[6px]\"><strong class=\"font-semibold\">Will machining marks still show?<\/strong><\/h3><p class=\"text-sm\">Yes, black oxide follows the existing surface and does not hide tool marks or scratches.<\/p><h3 class=\"font-semibold pdf-heading-class-replace pb-xxs text-lg leading-[30px] [&amp;:not(:first-child)]:pt-[15px] [&amp;_.underline]:underline-offset-[6px] [&amp;_a]:underline-offset-[6px]\"><strong class=\"font-semibold\">Can threads, seal faces, and critical areas be masked?<\/strong><\/h3><p class=\"text-sm\">Yes, simply mark no-finish zones clearly on the drawing or RFQ notes.<\/p><h3 class=\"font-semibold pdf-heading-class-replace pb-xxs text-lg leading-[30px] [&amp;:not(:first-child)]:pt-[15px] [&amp;_.underline]:underline-offset-[6px] [&amp;_a]:underline-offset-[6px]\"><strong class=\"font-semibold\">Can black oxide be specified to a standard?<\/strong><\/h3><p class=\"text-sm\">Yes, requirements like MIL-DTL-13924 or AMS 2485 can be specified in your RFQ to align the process with your needs.<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0bff31b e-flex e-con-boxed e-con e-parent\" data-id=\"0bff31b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9ffa4a1 elementor-widget elementor-widget-heading\" data-id=\"9ffa4a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Resources<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cd3dbd elementor-posts--align-left elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts\" data-id=\"7cd3dbd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cards_columns&quot;:&quot;3&quot;,&quot;cards_columns_tablet&quot;:&quot;2&quot;,&quot;cards_columns_mobile&quot;:&quot;1&quot;,&quot;cards_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;cards_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;cards_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.cards\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-cards elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-12503 post type-post status-publish format-standard has-post-thumbnail hentry category-industry-news\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/brass-vs-bronze-vs-copper\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"428\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Copper-vs-Brass-vs-Bronze-for-Custom-Parts.webp\" class=\"attachment-medium_large size-medium_large wp-image-26063\" alt=\"Copper bus bar, brass turned fitting, and bronze bushing on a CNC workbench\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Copper-vs-Brass-vs-Bronze-for-Custom-Parts.webp 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Copper-vs-Brass-vs-Bronze-for-Custom-Parts-300x167.webp 300w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Copper-vs-Brass-vs-Bronze-for-Custom-Parts-18x10.webp 18w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/brass-vs-bronze-vs-copper\/\" >\n\t\t\t\tBrass vs Bronze vs Copper: Key Differences\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t2025-12-20\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-23413 post type-post status-publish format-standard has-post-thumbnail hentry category-cnc-machining-news category-die-casting-news\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/casting-vs-machining-which-one-to-choose\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"578\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/11\/Casting-vs-Machinin2.webp\" class=\"attachment-medium_large size-medium_large wp-image-24982\" alt=\"Casting vs Machining\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/11\/Casting-vs-Machinin2.webp 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/11\/Casting-vs-Machinin2-300x226.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/casting-vs-machining-which-one-to-choose\/\" >\n\t\t\t\tMetal Casting vs CNC Machining Guide\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t2025-12-19\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-26039 post type-post status-publish format-standard has-post-thumbnail hentry category-laser-cutting-news\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/yonglihaomachinery.com\/de\/paper-laser-cutting\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"578\" src=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Laser-Cut-Paper.webp\" class=\"attachment-medium_large size-medium_large wp-image-26043\" alt=\"Laser Cut Paper\" srcset=\"https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Laser-Cut-Paper.webp 768w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Laser-Cut-Paper-300x226.webp 300w, https:\/\/yonglihaomachinery.com\/wp-content\/uploads\/2025\/12\/Laser-Cut-Paper-16x12.webp 16w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/yonglihaomachinery.com\/de\/paper-laser-cutting\/\" >\n\t\t\t\tHow to Laser Cut Paper Cleanly?\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t2025-12-18\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Black Oxide Services Yonglihao Machinery bietet Br\u00fcnierung an, um eine saubere, schwarze, blendfreie Oberfl\u00e4che mit minimalen Auswirkungen auf die Oberfl\u00e4che zu erzeugen.<\/p>","protected":false},"author":1,"featured_media":669,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"full-width-container","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":"","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 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Learn how this chemical coating method adds value to both aesthetic and functional elements.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/yonglihaomachinery.com\/de\/black-oxide\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Black Oxide Services - Yonglihao Machinery\" \/>\n<meta property=\"og:description\" content=\"Discover the corrosive benefits of black oxide for metal finishing. 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