{"id":423,"date":"2025-05-15T14:08:13","date_gmt":"2025-05-15T12:08:13","guid":{"rendered":"https:\/\/www.nitinox.com\/?page_id=423"},"modified":"2026-10-21T09:41:47","modified_gmt":"2026-10-21T07:41:47","slug":"aisi-420b-martensitic-en-14028-uns-s42000","status":"publish","type":"page","link":"https:\/\/nitinox.com\/en\/materiales\/martensitic\/aisi-420b-martensitic-en-14028-uns-s42000\/","title":{"rendered":"AISI 420B \/ MARTENSITIC \/ EN 1.4028 \/ UNS S42000"},"content":{"rendered":"<h1>AISI 420B \/ MARTENSITIC \/ EN 1.4028 \/ UNS S42000<\/h1>\n<h2>Description<\/h2>\n<p>El acero inoxidable <strong>MARTENS\u00cdTICO EN 1.4028<\/strong> se conoce habitualmente como UNS S42000 o <strong>AISI 420B<\/strong>. Esta aleaci\u00f3n al cromo cuenta con un contenido de carbono ligeramente superior al del grado 1.4021. Por esta raz\u00f3n, alcanza una dureza y una resistencia mec\u00e1nica muy elevadas tras el tratamiento t\u00e9rmico de templado y revenido.<\/p>\n<p>Adem\u00e1s, el <strong>AISI 420B<\/strong> resulta excepcionalmente resistente al desgaste. Asimismo, posee la capacidad de mantener un filo muy afilado en herramientas de corte. Por otro lado, ofrece una buena protecci\u00f3n contra la corrosi\u00f3n en aire, agua dulce y productos qu\u00edmicos suaves. De igual forma, se mantiene magn\u00e9tico en cualquier condici\u00f3n de suministro.<\/p>\n<p>Debido a estas excelentes prestaciones de resistencia a la abrasi\u00f3n, este material es clave en herramientas de precisi\u00f3n. Como distribuidores especializados, garantizamos un suministro certificado y con total trazabilidad t\u00e9cnica.<\/p>\n<h2>Applications in the real world<\/h2>\n<ul>\n<li>Cuchiller\u00eda de alta gama (cuchillos de chef, herramientas de corte industriales)<\/li>\n<li>Instrumentos quir\u00fargicos y dentales de precisi\u00f3n<\/li>\n<li>Tijeras y herramientas de corte duraderas<\/li>\n<li>Componentes de bombas y v\u00e1lvulas sujetas a desgaste<\/li>\n<li>Matrices y moldes para la industria del pl\u00e1stico<\/li>\n<li>Cojinetes y rodamientos de alta dureza<\/li>\n<li>Piezas para maquinaria textil y de procesamiento de alimentos<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/nitinox.com\/wp-content\/uploads\/2026\/03\/nitinox-solutions-warehouse-08.webp\" alt=\"Stock de barras y chapas de acero inoxidable martens\u00edtico AISI 420B \/ EN 1.4028 en el almac\u00e9n de Nitinox Solutions.\" width=\"1000\" height=\"667\" class=\"alignnone size-full wp-image-1056\" srcset=\"https:\/\/nitinox.com\/wp-content\/uploads\/2026\/03\/nitinox-solutions-warehouse-08.webp 1000w, https:\/\/nitinox.com\/wp-content\/uploads\/2026\/03\/nitinox-solutions-warehouse-08-300x200.webp 300w, https:\/\/nitinox.com\/wp-content\/uploads\/2026\/03\/nitinox-solutions-warehouse-08-768x512.webp 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h3>Enlaces \u00fatiles para AISI 420B \/ EN 1.4028<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.astm.org\" target=\"_blank\" rel=\"noopener\">ASTM International Standards for UNS S42000<\/a><\/li>\n<li><a href=\"https:\/\/www.matweb.com\" target=\"_blank\" rel=\"noopener\">MatWeb Property Data for EN 1.4028<\/a><\/li>\n<li><a href=\"https:\/\/www.azom.com\" target=\"_blank\" rel=\"noopener\">AZoM Stainless Steel &#8211; Grade 420 Series Guide<\/a><\/li>\n<\/ul>\n<p>You can also find the complete list of similar materials on the main page of <a href=\"\/en\/materials\/martensitic\/\">Martensitic<\/a>.<\/p>\n<hr>\n<h5><strong>Please, <a href=\"\/en\/contact-us\/\">Contact us<\/a> if you would like more information or a quote.<\/strong><\/h5>","protected":false},"excerpt":{"rendered":"<p>AISI 420B \/ MARTENSITIC \/ EN 1.4028 \/ UNS S42000 Descripci\u00f3n El acero inoxidable MARTENS\u00cdTICO EN 1.4028 se conoce habitualmente como UNS S42000 o AISI 420B. Esta aleaci\u00f3n al cromo cuenta con un contenido de carbono ligeramente superior al del grado 1.4021. Por esta raz\u00f3n, alcanza una dureza y una resistencia mec\u00e1nica muy elevadas tras [&hellip;] <a class=\"more-link\" href=\"https:\/\/nitinox.com\/en\/materiales\/martensitic\/aisi-420b-martensitic-en-14028-uns-s42000\/\">Read More &#10095;&#10095;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":307,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","pgc_sgb_lightbox_settings":"","footnotes":""},"class_list":["post-423","page","type-page","status-publish","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AISI 420B \/ MARTENSITIC \/ EN 1.4028 \/ UNS S42000 - Nitinox<\/title>\n<meta name=\"description\" content=\"Acero inoxidable AISI 420B \/ EN 1.4028 (UNS S42000). 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