{"id":9293,"date":"2025-08-01T16:08:32","date_gmt":"2025-08-01T08:08:32","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9293"},"modified":"2026-04-24T20:29:36","modified_gmt":"2026-04-24T12:29:36","slug":"440c-stainless-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/440c-stainless-steel\/","title":{"rendered":"Proveedor de acero inoxidable 440C (1.4125 \/ SUS440C) | Suministro a granel de barras y placas redondas"},"content":{"rendered":"<div class=\"wp-block-cover alignfull\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"632\" class=\"wp-block-cover__image-background wp-image-7233 size-full\" alt=\"\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp 1920w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-300x99.webp 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-768x253.webp 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1536x506.webp 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-18x6.webp 18w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#4e4b40\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-fa80bdcf\"><h1 class=\"uagb-heading-text\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">Acero inoxidable 440C | 1.4125 | SUS440C<\/mark> Proveedor para pedidos al por mayor<\/h1><p class=\"uagb-desc-text\">1.4125 \/ Barra y chapa redonda SUS440C | Cantidad m\u00ednima de pedido: 5 toneladas | Longitud de f\u00e1brica para exportaci\u00f3n: 2\u20135,5 m<\/p><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta ahora<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-c40b4c7b alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<p>El acero inoxidable 440C es un acero inoxidable martens\u00edtico con alto contenido de carbono y cromo. Pertenece a la serie 400 de aceros inoxidables, que generalmente son magn\u00e9ticos. En el \u00e1mbito m\u00e9dico, el acero 440C se utiliza ampliamente en la fabricaci\u00f3n de bistur\u00edes quir\u00fargicos y otros instrumentos m\u00e9dicos. Tambi\u00e9n se emplea en la industria para la fabricaci\u00f3n de moldes de pl\u00e1stico y caucho resistentes a la corrosi\u00f3n.&nbsp;<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-f640db95 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"h-440c-stainless-steel-supply-overview\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\">Descripci\u00f3n general del suministro de acero inoxidable 440C<\/mark><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Grado<\/td><td>Acero inoxidable 440C | 1.4125 | SUS440C<\/td><\/tr><tr><td>Condici\u00f3n de entrega<\/td><td>Totalmente recocido (estado blando para mecanizado)<\/td><\/tr><tr><td>Formularios disponibles<\/td><td>Barra redonda \/ Barra plana \/ Placa \/ Bloque forjado<\/td><\/tr><tr><td>Capacidad de producci\u00f3n mensual<\/td><td>Aprox. 1000 toneladas m\u00e9tricas<\/td><\/tr><tr><td>Cantidad de exportaci\u00f3n recomendada<\/td><td>Contenedor completo de 20 GP (~26 toneladas)<\/td><\/tr><tr><td>Cantidad m\u00ednima de pedido<\/td><td>5 toneladas<\/td><\/tr><tr><td>Plazo de entrega (con stock de lingotes)<\/td><td>Aprox. 20 d\u00edas<\/td><\/tr><tr><td>Plazo de entrega (fusi\u00f3n fresca)<\/td><td>30\u201345 d\u00edas<\/td><\/tr><tr><td>Plazo de entrega (grado ESR)<\/td><td>Aprox. 60 d\u00edas<\/td><\/tr><tr><td>Inspecci\u00f3n<\/td><td>Equipo UT interno + Inspecci\u00f3n de terceros disponible<\/td><\/tr><tr><td>Documentaci\u00f3n<\/td><td>MTC (EN 10204 3.1) + Informe UT<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-global-distributors-source-440c-from-aobo-steel\">\u00bfPor qu\u00e9 los distribuidores globales obtienen el acero 440C de Aobo Steel?<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Suministro mensual continuo de alrededor de 1000 toneladas<\/li>\n\n\n\n<li>Cantidad m\u00ednima de pedido (MOQ) a partir de 5 toneladas para pedidos al por mayor.<\/li>\n\n\n\n<li>Longitudes de barras y placas optimizadas para contenedores<\/li>\n\n\n\n<li>Se admiten tama\u00f1os mixtos para la carga de exportaci\u00f3n.<\/li>\n\n\n\n<li>Entrega recocida para mecanizado posterior<\/li>\n\n\n\n<li>Abastecimiento estable a trav\u00e9s de socios de cadena de suministro integrados<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Inspecci\u00f3n UT disponible para SEP 1921-82 D\/d o E\/e<\/li>\n\n\n\n<li>Trazabilidad del MTC y del lote con cada env\u00edo<\/li>\n\n\n\n<li>Seguimiento del n\u00famero de lote para el control de pedidos<\/li>\n\n\n\n<li>Opciones de superficie negra, torneada y pulida<\/li>\n\n\n\n<li>Embalaje a granel para exportaci\u00f3n mar\u00edtima<\/li>\n\n\n\n<li>Ruta de conversi\u00f3n clara a la p\u00e1gina dedicada al suministro a granel.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-434c7447 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-b8bc3b23\">\n<h2 class=\"wp-block-heading has-text-align-left has-large-font-size\" id=\"h-stable-production-for-long-term-bulk-supply\">Producci\u00f3n estable para un suministro a granel a largo plazo<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ciclos de producci\u00f3n continuos para reposici\u00f3n de inventario<\/li>\n\n\n\n<li>El proceso ESR (refundici\u00f3n por electroescoria) est\u00e1 disponible bajo petici\u00f3n.<\/li>\n\n\n\n<li>Abastecimiento estable de aleaci\u00f3n para reducir el riesgo de interrupci\u00f3n del suministro<\/li>\n\n\n\n<li>Trazabilidad completa del lote vinculada al n\u00famero de colada original<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Solicitar cotizaci\u00f3n por volumen<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-3dfb5298\">\n<figure class=\"wp-block-image aligncenter size-large has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-1024x576.avif\" alt=\"\" class=\"wp-image-12933\" style=\"border-top-left-radius:15px;border-top-right-radius:15px;border-bottom-left-radius:15px;border-bottom-right-radius:15px\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-1024x576.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-300x169.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-768x432.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-1536x864.avif 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-18x10.avif 18w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016.avif 1860w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-122c03a6 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"h-available-440c-stainless-steel-forms\">Moldes disponibles en acero inoxidable 440C.<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"206\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-1024x206.avif\" alt=\"\" class=\"wp-image-13355\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-1024x206.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-300x60.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-768x155.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-18x4.avif 18w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd.avif 1385w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-682a18af alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-cba2949c\">\n<figure class=\"wp-block-image aligncenter size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20221028_111745.avif\" alt=\"\" class=\"wp-image-13133\" style=\"border-top-left-radius:15px;border-top-right-radius:15px;border-bottom-left-radius:15px;border-bottom-right-radius:15px\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20221028_111745.avif 500w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20221028_111745-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20221028_111745-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20221028_111745-12x12.avif 12w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-cf834837\">\n<h2 class=\"wp-block-heading has-large-font-size\" id=\"h-quality-control-for-bulk-orders\">Control de calidad para pedidos al por mayor<\/h2>\n\n\n\n<p>Cada lote de acero para herramientas suministrado por Aobo Steel se verifica antes del env\u00edo para garantizar la precisi\u00f3n del grado, la integridad interna y la trazabilidad de los pedidos a granel.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Composici\u00f3n qu\u00edmica verificada mediante un espectr\u00f3metro.<\/li>\n\n\n\n<li>Pruebas ultras\u00f3nicas disponibles (SEP 1921-82)<\/li>\n\n\n\n<li>Entregado en estado recocido esferoidizado<\/li>\n\n\n\n<li>Certificado de prueba de f\u00e1brica (EN 10204 3.1) con n\u00famero de colada<\/li>\n\n\n\n<li>Inspecci\u00f3n dimensional y superficial antes del env\u00edo.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Obtenga una cotizaci\u00f3n de suministro a granel de 440C<\/a><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-0226a4d4 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-66b1055b\">\n<h2 class=\"wp-block-heading has-large-font-size\" id=\"h-export-packaging-and-container-loading\">Embalaje para exportaci\u00f3n y carga de contenedores<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Embalaje de exportaci\u00f3n profesional apto para el transporte mar\u00edtimo<\/li>\n\n\n\n<li>Carga de 20GP optimizada hasta ~26 toneladas<\/li>\n\n\n\n<li>Se admiten calidades mixtas y tama\u00f1os mixtos<\/li>\n\n\n\n<li>Protecci\u00f3n antioxidante para largos tr\u00e1nsitos mar\u00edtimos<\/li>\n<\/ul>\n\n\n\n<p id=\"h-\">Para env\u00edos internacionales, se recomienda encarecidamente cargar el contenedor completo para garantizar la rentabilidad y un procesamiento aduanero m\u00e1s fluido.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Obtenga una cotizaci\u00f3n de carga de contenedor completo (FCL)<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-52d8f3b6\">\n<figure class=\"wp-block-image aligncenter size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2.avif\" alt=\"\" class=\"wp-image-12935\" style=\"border-top-left-radius:15px;border-top-right-radius:15px;border-bottom-left-radius:15px;border-bottom-right-radius:15px\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2.avif 1000w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2-300x225.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2-768x576.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2-16x12.avif 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\" id=\"1-eael-table-of-content\">1. Aplicaciones<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Herramientas de corte<\/li>\n\n\n\n<li>Rodamientos&nbsp;<\/li>\n\n\n\n<li>Materiales para moldes de pl\u00e1stico<\/li>\n\n\n\n<li>Piezas de v\u00e1lvulas<\/li>\n\n\n\n<li>Engranajes, ejes, levas<\/li>\n\n\n\n<li>Instrumentos quir\u00fargicos y dentales<\/li>\n\n\n\n<li>Ballestas<\/li>\n\n\n\n<li>Aplicaciones m\u00e9dicas<\/li>\n\n\n\n<li>Aplicaciones resistentes al desgaste<\/li>\n\n\n\n<li>Industria del autom\u00f3vil<\/li>\n\n\n\n<li>Hardware<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-eael-table-of-content\">2. Composici\u00f3n del acero inoxidable 440C<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Carbono (C)<\/td><td>Cromo (Cr)<\/td><td>Manganeso (Mn)<\/td><td>Silicio (Si)<\/td><td>Molibdeno (Mo)<\/td><td>F\u00f3sforo (P)<\/td><td>Azufre (S)<\/td><\/tr><tr><td>0,95 \u2013 1,20<\/td><td>16.0 \u2013 18.0<\/td><td>1,00 m\u00e1x.<\/td><td>1,00 m\u00e1x.<\/td><td>0,75 m\u00e1x.<\/td><td>0,040 m\u00e1x.<\/td><td>0,030 m\u00e1x.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-eael-table-of-content\">3. Propiedades del acero inoxidable 440C<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-1-mechanical-properties\">3.1 Propiedades mec\u00e1nicas<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Condici\u00f3n\/Tipo<\/th><th>Resistencia a la tracci\u00f3n (ksi\/MPa)<\/th><th>L\u00edmite el\u00e1stico (0,2% Offset) (ksi\/MPa)<\/th><th>Alargamiento en 2\u2033 \/ 50 mm (%)<\/th><\/tr><tr><td><strong>Recocido<\/strong><\/td><td>110 ksi (758 MPa) (M\u00edn. 110 ksi \/ 758 MPa para bar)<\/td><td>65 ksi (448 MPa) (M\u00edn. 65 ksi \/ 448 MPa para bar)<\/td><td>14% (M\u00ednimo 14% para barra)<\/td><\/tr><tr><td><strong>Tratado t\u00e9rmicamente \/ Endurecido<\/strong><\/td><td>285 ksi (1965 MPa)<\/td><td>275 ksi (1896 MPa)<\/td><td>2%<\/td><\/tr><tr><td><strong>Barra acabada en fr\u00edo<\/strong><\/td><td>M\u00ednimo 125 ksi (862 MPa)<\/td><td>M\u00ednimo 100 ksi (689 MPa)<\/td><td>M\u00ednimo 7%<\/td><\/tr><tr><td><strong>Alambre recocido<\/strong><\/td><td>M\u00ednimo 140 ksi (965 MPa)<\/td><td>\u2013<\/td><td>M\u00ednimo 13%<\/td><\/tr><tr><td><strong>Alambre para estampaci\u00f3n en fr\u00edo<\/strong><\/td><td>T\u00edpico 110 ksi (760 MPa)<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td><strong>Alambre ligeramente estirado<\/strong><\/td><td>T\u00edpico 120 ksi (830 MPa)<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td><strong>MIM (Moldeado por Inyecci\u00f3n de Metal) 440C<\/strong><\/td><td>876 MPa (despu\u00e9s del tratamiento t\u00e9rmico)<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-2-physical-amp-thermal-properties\">3.2 Propiedades f\u00edsicas y t\u00e9rmicas<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Propiedad<\/th><th>Valor<\/th><\/tr><tr><td><strong>Resistencia (Tratamiento t\u00e9rmico)<\/strong><\/td><td>5 pies-libra<\/td><\/tr><tr><td><strong>M\u00f3dulo de elasticidad<\/strong><\/td><td>29 x 10^6 psi (aprox. 200 GPa)<\/td><\/tr><tr><td><strong>Calor espec\u00edfico (32-212 \u00b0F)<\/strong><\/td><td>0,11 Btu\/lb\u00b7\u00b0F<\/td><\/tr><tr><td><strong>Densidad<\/strong><\/td><td>Aprox. 0,29 lb\/in\u00b3 (8,02 g\/cm\u00b3)<\/td><\/tr><tr><td><strong>Conductividad t\u00e9rmica (20 \u00b0C)<\/strong><\/td><td>29,3 W\/(m\u00b7K)<\/td><\/tr><tr><td><strong>Coeficiente de dilataci\u00f3n t\u00e9rmica lineal<\/strong><\/td><td>Aprox. 10,5 x 10^-6 K^-1 (En los rangos: 20-100\u00b0C, 20-200\u00b0C, 20-300\u00b0C, 20-500\u00b0C)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-columns has-ast-global-color-8-background-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image alignfull size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1862\" height=\"1862\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C.avif\" alt=\"\" class=\"wp-image-14785\" style=\"border-top-left-radius:15px;border-top-right-radius:15px;border-bottom-left-radius:15px;border-bottom-right-radius:15px\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C.avif 1862w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-1024x1024.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-768x768.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-1536x1536.avif 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-12x12.avif 12w\" sizes=\"auto, (max-width: 1862px) 100vw, 1862px\" \/><figcaption class=\"wp-element-caption\">Acero inoxidable 440C<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-ast-global-color-0-color has-text-color has-link-color wp-elements-aa20d97342030218fbf4f1a9ade78b62\"><strong>\u00bfInteresado en acero inoxidable 440C?<\/strong> <strong>\u00a1Por favor rellene el formulario a continuaci\u00f3n para contactarnos hoy!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-leadin-hubspot-form-block\">\n\t\t\t\t\t\t<script>\n\t\t\t\t\t\t\twindow.hsFormsOnReady = window.hsFormsOnReady || [];\n\t\t\t\t\t\t\twindow.hsFormsOnReady.push(()=>{\n\t\t\t\t\t\t\t\thbspt.forms.create({\n\t\t\t\t\t\t\t\t\tportalId: 242461771,\n\t\t\t\t\t\t\t\t\tformId: \"1f7a4dcb-eb56-45e5-bd4f-5921cbf714c1\",\n\t\t\t\t\t\t\t\t\ttarget: \"#hbspt-form-1777185732000-1772178964\",\n\t\t\t\t\t\t\t\t\tregion: \"na2\",\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t})});\n\t\t\t\t\t\t<\/script>\n\t\t\t\t\t\t<div class=\"hbspt-form\" id=\"hbspt-form-1777185732000-1772178964\"><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-eael-table-of-content\">4. Tratamiento t\u00e9rmico<\/h2>\n\n\n\n<p>El tratamiento t\u00e9rmico del acero inoxidable 440C, al igual que otros aceros inoxidables martens\u00edticos, generalmente implica austenizaci\u00f3n,&nbsp;<em>temple<\/em>y revenido. El proceso busca transformar el acero en una microestructura martens\u00edtica, que posteriormente se revende para optimizar su equilibrio de dureza, resistencia, ductilidad y resistencia a la corrosi\u00f3n.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-eael-table-of-content\">4.1 Austenizaci\u00f3n (endurecimiento)<\/h3>\n\n\n\n<p>La temperatura de austenizaci\u00f3n es de 925 a 1065 \u00b0C (1700 a 1950 \u00b0F). Recomendamos 1038 \u00b0C (1900 \u00b0F) porque creemos que proporciona la mejor dureza y resistencia a la corrosi\u00f3n. Adem\u00e1s, sugerimos precalentar el material a 650 \u00b0C (1200 \u00b0F) antes de este paso para minimizar la distorsi\u00f3n, el alabeo o el agrietamiento debido a los altos gradientes t\u00e9rmicos durante el calentamiento o enfriamiento r\u00e1pido. El tiempo de remojo debe ser suficiente para asegurar que los carburos se disuelvan en la austenita, lo cual puede ser m\u00e1s lento que en los aceros al carbono simples debido a la presencia de cromo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"6-eael-table-of-content\">4.2 Enfriamiento<\/h3>\n\n\n\n<p>Tras la austenizaci\u00f3n, el acero 440C se suele templar al aire o en aceite. El temple en aceite a temperaturas como 1038 \u00b0C (1900 \u00b0F) o 1040 \u00b0C (1900 \u00b0F) es una opci\u00f3n com\u00fan. Despu\u00e9s del temple, el acero se transforma en martensita, una estructura dura pero fr\u00e1gil.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"7-eael-table-of-content\">4.3 Templado<\/h3>\n\n\n\n<p>El paso posterior al temple es el revenido, cuyo objetivo es reducir la dureza, mejorar la tenacidad y la ductilidad y aliviar la tensi\u00f3n interna.<\/p>\n\n\n\n<p>La temperatura de revenido es&nbsp;<strong>392 \u00b0F a 662 \u00b0F (200 \u00b0C a 350 \u00b0C)<\/strong>Diferentes temperaturas de revenido dan como resultado distintos niveles de dureza, como se indica a continuaci\u00f3n:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Temperatura (\u00b0C)<\/td><td>Temperatura (\u00b0F)<\/td><td>Dureza (HRC)<\/td><\/tr><tr><td>150<\/td><td>300<\/td><td>60<\/td><\/tr><tr><td>315<\/td><td>600<\/td><td>57<\/td><\/tr><tr><td>425<\/td><td>800<\/td><td>58<\/td><\/tr><tr><td>480<\/td><td>900<\/td><td>57<\/td><\/tr><tr><td>540<\/td><td>1000<\/td><td>55<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Cabe se\u00f1alar que el revenido del acero inoxidable 440C y de aceros inoxidables martens\u00edticos de alto contenido de carbono similares en el rango de 427 \u00b0C a 566 \u00b0C (800 \u00b0F a 1050 \u00b0F) dar\u00e1 como resultado fragilidad por revenido y una menor resistencia al impacto y a la corrosi\u00f3n.<br>Si es necesario un revenido fuera del rango de temperatura mencionado para mejorar la tenacidad, recomendamos una temperatura de revenido de 593 \u00b0C (1100 \u00b0F) o superior. El revenido a esta temperatura mejora la resistencia al impacto y a la corrosi\u00f3n, pero reduce la dureza.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"8-eael-table-of-content\">4.4 Consideraciones especiales en el tratamiento t\u00e9rmico del acero 440C<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Precalentamiento:<\/strong>&nbsp;Antes del proceso principal de endurecimiento (austenizaci\u00f3n), recomendamos precalentar el acero inoxidable 440C a aproximadamente 650 \u00b0C (1200 \u00b0F). Esto ayuda a garantizar una distribuci\u00f3n de temperatura m\u00e1s uniforme y a minimizar el choque t\u00e9rmico durante la posterior etapa de austenizaci\u00f3n.<\/li>\n\n\n\n<li><strong>Enfriamiento lento despu\u00e9s del forjado:<\/strong>&nbsp;Para aceros con alto contenido de carbono, como el 440C, recomendamos un enfriamiento lento tras el forjado o un enfriamiento intermitente, que consiste en enfriar a 150-250 \u00b0C, recalentar a aproximadamente 650 \u00b0C y finalmente enfriar. Esto ayuda a prevenir el agrietamiento y la formaci\u00f3n de carburos en los l\u00edmites de grano.<\/li>\n\n\n\n<li><strong>Manejo de la austenita retenida:<\/strong>&nbsp;El acero 440C reci\u00e9n templado puede contener en ocasiones una cantidad significativa de austenita retenida (potencialmente 20-30% por volumen). Si no se soluciona, esta austenita retenida puede transformarse espont\u00e1neamente con el tiempo, provocando cambios dimensionales y un mayor riesgo de agrietamiento. Realizar un tratamiento de fr\u00edo a temperaturas bajo cero despu\u00e9s del temple puede transformar eficazmente esta austenita retenida en martensita sin revenir. Este tratamiento de fr\u00edo debe ir seguido de al menos un ciclo de revenido est\u00e1ndar para revenir la martensita reci\u00e9n formada y aliviar las tensiones internas.<\/li>\n\n\n\n<li><strong>Tratamiento t\u00e9rmico posterior a la soldadura (PWHT):<\/strong>&nbsp;Para componentes soldados de acero 440C, el tratamiento t\u00e9rmico posterior a la soldadura (PWHT) es casi siempre necesario. Este tratamiento sirve para templar la martensita formada en la soldadura y la zona afectada por el calor, y para aliviar las tensiones residuales. El rango de temperatura del PWHT para el acero 440C es de 480 \u00b0C a 750 \u00b0C (895 \u00b0F a 1380 \u00b0F).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"9-eael-table-of-content\">5. Calificaciones equivalentes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DIN EN (Europa):<\/strong>&nbsp;1.4125 (X105CrMo17)<\/li>\n\n\n\n<li><strong>JIS (Jap\u00f3n):<\/strong>&nbsp;SUS440C<\/li>\n\n\n\n<li><strong>ISO:<\/strong>&nbsp;X105CrMo17<\/li>\n\n\n\n<li><strong>GB (China):<\/strong>&nbsp;<em>9Cr18Mo<\/em>&nbsp;o&nbsp;<em>95Cr18<\/em><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Solicitar cotizaci\u00f3n para pedidos al por mayor de 440C<\/a><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>440C stainless steel is a high-carbon, high-chromium martensitic stainless steel.&nbsp;It belongs to the 400 series of stainless steels, which are generally magnetic.&nbsp;In the medical field, 440C steel is widely used for manufacturing surgical knives and other medical instruments. It is also used in industry to manufacture corrosion-resistant plastic and rubber molds.&nbsp; 440C Stainless Steel Supply [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14803,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"landing-page","_uag_custom_page_level_css":"","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","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":"","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":"[]"},"class_list":["post-9293","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>440C Stainless Steel (1.4125 \/ SUS440C) Supplier | Round Bar &amp; Plate Bulk Supply<\/title>\n<meta name=\"description\" content=\"Supply 440C stainless steel (1.4125 \/ SUS440C) in round bar and plate. 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