{"id":9318,"date":"2025-08-02T09:09:04","date_gmt":"2025-08-02T01:09:04","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9318"},"modified":"2026-01-29T01:20:17","modified_gmt":"2026-01-28T17:20:17","slug":"p20ni-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/p20ni-steel\/","title":{"rendered":"Acero para herramientas P20+Ni | 1.2738"},"content":{"rendered":"<div class=\"wp-block-cover alignfull\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"337\" class=\"wp-block-cover__image-background wp-image-7233 size-large\" alt=\"\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-300x99.webp 300w, 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, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><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-container uagb-block-29fc5c3c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c196a237\"><h6 class=\"uagb-heading-text\"><a href=\"https:\/\/aobosteel.com\/es\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">Inicio<\/mark> <\/a>&gt; <a href=\"https:\/\/aobosteel.com\/es\/tool-steels\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">Cat\u00e1logo de aceros para herramientas<\/mark><u> <\/u><\/a>&gt; Acero para moldes de pl\u00e1stico P20+Ni<\/h6><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-d1ce38c5\"><h5 class=\"uagb-heading-text\"><em>Aobo Steel | Proveedor global de acero para herramientas en China<\/em><\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-5b6189ba\"><h2 class=\"uagb-heading-text\">Acero para herramientas AISI P20+Ni | 1.2311 Mejorado | 1.2738 Acero para moldes de pl\u00e1stico pretemplado<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-914bcd03\"><h5 class=\"uagb-heading-text\">\u2713100% UT Garant\u00eda de calidad probada<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-84cd4af9\"><h5 class=\"uagb-heading-text\">\u2713SEP 1921-82 Clase D\/d Garantizada<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-20e20150\"><h5 class=\"uagb-heading-text\">\u2713Estado preendurecido<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-33ee52f8\"><h5 class=\"uagb-heading-text\">\u2713Superficie: Escama negra, torneada, acabado laminado o pulida<\/h5><\/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\">Consulta r\u00e1pida sobre el material P20+Ni<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>El acero P20+Ni es un acero para moldes de pl\u00e1stico de acabado espejo desarrollado mediante la mejora del acero americano P20 con la adici\u00f3n de una aleaci\u00f3n de Ni. Este acero se caracteriza por su alta templabilidad, excelente pulibilidad, rendimiento del mecanizado por electroerosi\u00f3n (EDM) y propiedades de texturizado. Preendurecido con alta pureza y estructura uniforme, es ideal para moldes de pl\u00e1stico de alta exigencia, en particular los que requieren mecanizado por descarga el\u00e9ctrica.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-eael-table-of-content\">1. Las aplicaciones del acero P20+Ni<\/h2>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"549\" height=\"549\" data-id=\"4199\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/Plastic-Injection-Molds.avif\" alt=\"Moldes de inyecci\u00f3n de pl\u00e1stico\" class=\"wp-image-4199\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/Plastic-Injection-Molds.avif 549w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/Plastic-Injection-Molds-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/Plastic-Injection-Molds-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/Plastic-Injection-Molds-12x12.avif 12w\" sizes=\"auto, (max-width: 549px) 100vw, 549px\" \/><figcaption class=\"wp-element-caption\">Moldes de inyecci\u00f3n de pl\u00e1stico<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"4736\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/mirror-finish-plastic-mold-png.avif\" alt=\"molde de pl\u00e1stico con acabado de espejo\" class=\"wp-image-4736\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/mirror-finish-plastic-mold-png.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/mirror-finish-plastic-mold-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/mirror-finish-plastic-mold-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/mirror-finish-plastic-mold-768x768.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/mirror-finish-plastic-mold-12x12.avif 12w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">molde de pl\u00e1stico con acabado de espejo<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Ideal para fabricar moldes de pl\u00e1stico complejos y de alta precisi\u00f3n.<\/li>\n\n\n\n<li>Adecuado para la producci\u00f3n a gran escala de moldes de pl\u00e1stico con acabado de espejo.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-eael-table-of-content\">2. Composici\u00f3n qu\u00edmica del acero P20+Ni<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Carbono (C)<\/td><td>Silicio (Si)<\/td><td>Manganeso (Mn)<\/td><td>F\u00f3sforo (P)<\/td><td>Azufre (S)<\/td><td>Cromo (Cr)<\/td><td>Molibdeno (Mo)<\/td><td>N\u00edquel (Ni)<\/td><\/tr><tr><td>0,35 \u2013 0,45<\/td><td>0,20 \u2013 0,40<\/td><td>0,60 \u2013 1,60<\/td><td>\u2264 0.030<\/td><td>\u2264 0.030<\/td><td>1.80 \u2013 2.10<\/td><td>0,15 \u2013 0,25<\/td><td>0,90 \u2013 1,20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-eael-table-of-content\">3. Propiedades f\u00edsicas del acero P20+Ni<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Propiedad<\/td><td>Valor<\/td><td>Unidad<\/td><\/tr><tr><td>Densidad<\/td><td>7.7 \u2013 7.85<\/td><td>g\/cm\u00b3<\/td><\/tr><tr><td>Dureza (Preendurecido)<\/td><td>280-320<\/td><td>HB<\/td><\/tr><tr><td>&nbsp;<\/td><td>~28-32<\/td><td>HRC<\/td><\/tr><tr><td>Resistencia a la tracci\u00f3n<\/td><td>850 \u2013 1300<\/td><td>MPa<\/td><\/tr><tr><td>l\u00edmite el\u00e1stico<\/td><td>770 \u2013 1000<\/td><td>MPa<\/td><\/tr><tr><td>Alargamiento<\/td><td>13 \u2013 16<\/td><td>%<\/td><\/tr><tr><td>Resistencia al impacto<\/td><td>20 \u2013 42<\/td><td>J\/cm<\/td><\/tr><tr><td>M\u00f3dulo de elasticidad<\/td><td>205 \u2013 212 x 10\u00b3<\/td><td>MPa<\/td><\/tr><tr><td>Conductividad t\u00e9rmica<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><\/tr><tr><td>* A 20\u00b0C<\/td><td>29 \u2013 35<\/td><td>W\/(m-K)<\/td><\/tr><tr><td>* A 350\u00b0C<\/td><td>~34<\/td><td>W\/(m-K)<\/td><\/tr><tr><td>* A 700\u00b0C<\/td><td>~33<\/td><td>W\/(m-K)<\/td><\/tr><tr><td>Coeficiente de dilataci\u00f3n t\u00e9rmica<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><\/tr><tr><td>* 20-100\u00b0C<\/td><td>11,2 \u2013 12,0 x 10\u207b\u2076<\/td><td>\/K<\/td><\/tr><tr><td>* 20-200\u00b0C<\/td><td>12.8 x 10-\u2076<\/td><td>\/K<\/td><\/tr><tr><td>* 20-300\u00b0C<\/td><td>13.5 x 10-\u2076<\/td><td>\/K<\/td><\/tr><tr><td>Temperaturas cr\u00edticas<\/td><td>&nbsp;<\/td><td>\u00b0C<\/td><\/tr><tr><td>* Ac1<\/td><td>720<\/td><td>\u00b0C<\/td><\/tr><tr><td>* Ac3<\/td><td>800<\/td><td>\u00b0C<\/td><\/tr><tr><td>* Ms<\/td><td>290<\/td><td>\u00b0C<\/td><\/tr><tr><td>Suave <a href=\"https:\/\/aobosteel.com\/es\/knowledge-hub\/what-is-annealing\/\">Recocido<\/a> Temperatura.<\/td><td>710-740<\/td><td>\u00b0C<\/td><\/tr><tr><td>Alivio del estr\u00e9s Temp.<\/td><td>560-600<\/td><td>\u00b0C<\/td><\/tr><tr><td>Temperatura de endurecimiento<\/td><td>840-880<\/td><td>\u00b0C<\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/es\/knowledge-hub\/what-is-tempering\/\">Templado<\/a> Temperatura<\/td><td>100-700<\/td><td>\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-eael-table-of-content\">4. Equivalentes de P20+Ni DIN 1.2738<\/h2>\n\n\n\n<p>El acero 1.2738 es un acero alem\u00e1n superpretemplado para moldes de pl\u00e1stico. Se suministra en estado pretemplado, lo que elimina la necesidad de tratamiento t\u00e9rmico adicional y permite el mecanizado directo en moldes. Ofrece una excelente maquinabilidad, facilita el corte y el pulido, y se somete a un tratamiento de recocido de alivio de tensiones y nitruraci\u00f3n superficial con m\u00ednimas variaciones dimensionales y de dureza. Es especialmente adecuado para marcos de moldes de pl\u00e1stico con un espesor superior a 400 mm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"6-eael-table-of-content\">Composici\u00f3n qu\u00edmica del acero 1.2738<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Carbono (C)<\/td><td>Silicio (Si)<\/td><td>Manganeso (Mn)<\/td><td>F\u00f3sforo (P)<\/td><td>Azufre (S)<\/td><td>Cromo (Cr)<\/td><td>Molibdeno (Mo)<\/td><td>N\u00edquel (Ni)<\/td><\/tr><tr><td>0,35 \u2013 0,45<\/td><td>0,20 \u2013 0,40<\/td><td>1.30 \u2013 1.60<\/td><td>\u2264 0.030<\/td><td>\u2264 0.030<\/td><td>1.80 \u2013 2.10<\/td><td>0,15 \u2013 0,25<\/td><td>0,90 \u2013 1,20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"7-eael-table-of-content\">Propiedades f\u00edsicas del acero 1.2738<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Propiedad<\/td><td>Valor<\/td><td>Unidad<\/td><\/tr><tr><td>Densidad<\/td><td>7.85<\/td><td>g\/cm\u00b3<\/td><\/tr><tr><td>Dureza (Preendurecido)<\/td><td>280-325<\/td><td>HB<\/td><\/tr><tr><td>Resistencia a la tracci\u00f3n<\/td><td>850 \u2013 1100<\/td><td>MPa<\/td><\/tr><tr><td>l\u00edmite el\u00e1stico<\/td><td>770 \u2013 980<\/td><td>MPa<\/td><\/tr><tr><td>Alargamiento<\/td><td>13 \u2013 16<\/td><td>%<\/td><\/tr><tr><td>Resistencia al impacto<\/td><td>20 \u2013 42<\/td><td>J\/cm<\/td><\/tr><tr><td>M\u00f3dulo de elasticidad<\/td><td>205 x 10\u00b3<\/td><td>N\/mm\u00b2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-group has-ast-global-color-8-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading has-text-align-center\">\u00bfEst\u00e1 interesado en acero para herramientas P20+Ni de alta calidad?<\/h2>\n\n\n\n<p>Aproveche los m\u00e1s de 20 a\u00f1os de experiencia de Aobo Steel en acero para herramientas forjado P20+Ni. Reconocido por su excelente pulido, tenacidad superior y buena maquinabilidad, nuestro P20+Ni es ideal para aplicaciones exigentes de moldeo de pl\u00e1stico.<\/p>\n\n\n\n<p class=\"has-text-align-center has-ast-global-color-0-color has-text-color has-link-color wp-elements-657810639283748f6a014177bbf4d3a0\"><strong>Da el siguiente paso:<\/strong><\/p>\n\n\n\n<p>Complete el siguiente formulario para obtener un presupuesto personalizado, especificaciones detalladas o para consultar hoy mismo con nuestros expertos en acero para herramientas.<\/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-1779122790000-7862116414\",\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-1779122790000-7862116414\"><\/div><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>P20+Ni steel is a mirror-finish plastic mold steel developed by enhancing the American P20 steel with the addition of Ni alloy. This steel features high hardenability, excellent polishability, electrical discharge machining (EDM) performance, and texturing properties. Pre-hardened with high purity and uniform structure, it is ideal for high-demand plastic molds, particularly those requiring electrical discharge [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4735,"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-9318","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - 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