{"id":9318,"date":"2025-08-02T09:09:04","date_gmt":"2025-08-02T01:09:04","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9318"},"modified":"2026-09-27T13:01:50","modified_gmt":"2026-09-27T05:01:50","slug":"p20ni-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/p20ni-steel\/","title":{"rendered":"P20+Ni Tool Steel | 1.2738 Supplier"},"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=\"Bulk tool steel bar stock in the Aobo Steel warehouse\" 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-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\">Hogar<\/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 acero 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 | Acero para moldes de pl\u00e1stico preendurecido 1.2738<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-914bcd03\"><h5 class=\"uagb-heading-text\">\u2713100% Control de calidad probado mediante ultrasonido<\/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\">\u2713Condici\u00f3n preendurecida<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-33ee52f8\"><h5 class=\"uagb-heading-text\">\u2713Superficie: Escama negra, torneado, acabado fresado o pulido<\/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 popmake-16052\"><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 class=\"wp-block-paragraph\">El acero P20+Ni es un acero para moldes de pl\u00e1stico con acabado espejo desarrollado al mejorar el acero estadounidense P20 con la adici\u00f3n de aleaci\u00f3n de Ni. Este acero presenta alta templabilidad, excelente pulibilidad, desempe\u00f1o en el mecanizado por electroerosi\u00f3n (EDM) y propiedades de texturizado. C\u00f3mo se comportan esas propiedades en el banco de trabajo se cubre en la <a href=\"https:\/\/aobosteel.com\/es\/plastic-mold-steel-polishing-and-texturing\/\">gu\u00eda de pulido y texturizado de acero para moldes de pl\u00e1stico<\/a>. Preendurecido con alta pureza y estructura uniforme, es ideal para moldes de pl\u00e1stico de alta exigencia, particularmente aquellos que requieren mecanizado por electroerosi\u00f3n.<\/p>\n\n\n\n<h2 id=\"1-eael-table-of-content\" class=\"wp-block-heading\">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=\"Plastic Injection Molds\" 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\">Plastic Injection Molds<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" 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 espejo\" class=\"wp-image-4736\"\/><figcaption class=\"wp-element-caption\">molde de pl\u00e1stico con acabado espejo<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Ideal para la fabricaci\u00f3n de moldes de pl\u00e1stico complejos y de alta precisi\u00f3n.<\/li>\n\n\n\n<li>Adecuado para la producci\u00f3n de moldes de pl\u00e1stico con acabado espejo a gran escala.<\/li>\n<\/ol>\n\n\n\n<h2 id=\"2-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"3-eael-table-of-content\" class=\"wp-block-heading\">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\u00b2<\/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>* At 20\u00b0C<\/td><td>29 \u2013 35<\/td><td>W\/(m\u00b7K)<\/td><\/tr><tr><td>* At 350\u00b0C<\/td><td>~34<\/td><td>W\/(m\u00b7K)<\/td><\/tr><tr><td>* At 700\u00b0C<\/td><td>~33<\/td><td>W\/(m\u00b7K)<\/td><\/tr><tr><td>Coef. de expansi\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\u207b\u2076<\/td><td>\/K<\/td><\/tr><tr><td>* 20-300\u00b0C<\/td><td>13.5 x 10\u207b\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>Temp. de recocido suave<\/td><td>710-740<\/td><td>\u00b0C<\/td><\/tr><tr><td>Temp. de alivio de tensiones<\/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>Temperatura de revenido<\/td><td>100-700<\/td><td>\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"5-eael-table-of-content\" class=\"wp-block-heading\">4. Equivalentes de P20+Ni DIN 1.2738<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El acero 1.2738 es un acero para moldes de pl\u00e1stico superpreendurecido alem\u00e1n, suministrado en condici\u00f3n preendurecida que elimina la necesidad de tratamiento t\u00e9rmico adicional y permite el mecanizado directo en moldes. Ofrece excelente maquinabilidad, facilita el corte y pulido, y se somete a recocido de alivio de tensiones y tratamiento de nitruraci\u00f3n superficial con cambios dimensionales y de dureza m\u00ednimos. Particularmente adecuado para marcos de moldes de pl\u00e1stico con un espesor mayor a 400mm.<\/p>\n\n\n\n<h3 id=\"6-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"7-eael-table-of-content\" class=\"wp-block-heading\">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\u00b2<\/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<\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3e41869c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">Formulario de solicitud de cotizaci\u00f3n abierta<\/a><\/div>\n<\/div>\n\n\n\n<style id=\"aobo-hero-legibility\">\n\/* aobo product hero - copy sits on the photo, left side graded, right side\n   left at its own brightness. 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This steel features high hardenability, excellent polishability, electrical discharge machining (EDM) performance, and texturing properties. How those properties play out at the bench is covered in the plastic mold steel polishing and texturing guide. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4735,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","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":"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 v28.6 (Yoast SEO v28.6) - 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