{"id":1374,"date":"2025-04-11T12:49:19","date_gmt":"2025-04-11T12:49:19","guid":{"rendered":"https:\/\/www.pontogliovincenza.com\/bluing\/"},"modified":"2025-10-30T11:44:46","modified_gmt":"2025-10-30T11:44:46","slug":"bluing","status":"publish","type":"page","link":"https:\/\/www.pontogliovincenza.com\/en\/bluing\/","title":{"rendered":"Bluing"},"content":{"rendered":"\n<p>Bluing is a superficial oxidation of ferrous components that gives iron and carbon steel parts a glossy black color.<\/p>\n\n\n\n<p>This surface treatment does not in any way affect the dimensions of the part, as it does not involve any thickness build-up. Its value is mainly aesthetic, as it gives the piece a very pleasing appearance.<\/p>\n\n\n\n<p>The treatment can be carried out in a tumbling or static process, depending on the shape of the parts and\/or the customer\u2019s needs, and takes place at a temperature of about 140 degrees in immersion in an alkaline-based solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Surface oxidation to achieve a glossy black finish<\/p>\n","protected":false},"author":1,"featured_media":1077,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":{"0":"post-1374","1":"page","2":"type-page","3":"status-publish","4":"has-post-thumbnail","6":"resize-featured-image"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Metal Black Oxide Coating | Pontoglio Vincenza<\/title>\n<meta name=\"description\" content=\"Through black oxide treatment, Pontoglio Vincenza gives iron and carbon steel components a glossy black finish by oxidizing the surface.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pontogliovincenza.com\/en\/bluing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metal Black Oxide Coating | Pontoglio Vincenza\" \/>\n<meta property=\"og:description\" content=\"Through black oxide treatment, Pontoglio Vincenza gives iron and carbon steel components a glossy black finish by oxidizing the surface.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pontogliovincenza.com\/en\/bluing\/\" \/>\n<meta property=\"og:site_name\" content=\"Pontoglio Vincenza &amp; C. 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