{"id":9318,"date":"2025-08-02T09:09:04","date_gmt":"2025-08-02T01:09:04","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9318"},"modified":"2026-06-26T09:53:35","modified_gmt":"2026-06-26T01:53:35","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":"
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Hogar<\/mark> <\/a>> Cat\u00e1logo de aceros para herramientas<\/mark> <\/u><\/a>> P20+Ni Plastic Mold Steel<\/h6><\/div>\n\n\n\n
Aobo Steel | Proveedor global de acero para herramientas en China<\/em><\/h5><\/div>\n\n\n\n

AISI P20+Ni Tool Steel | 1.2311 Improved | 1.2738 Pre-Hardened Plastic Mold Steel<\/h2><\/div>\n\n\n\n
\u2713100% UT Tested Quality Assurance<\/h5><\/div>\n\n\n\n
\u2713SEP 1921-82 Class D\/d Guaranteed<\/h5><\/div>\n\n\n\n
\u2713Pre-Hardened Condition<\/h5><\/div>\n\n\n\n
\u2713Surface: Black Scale, Turned, Mill Finish, or Polished<\/h5><\/div>\n\n\n\n
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Quick Inquiry For P20+Ni Material<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
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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 machining.<\/p>\n\n\n\n

1. The applications of P20+Ni steel<\/h2>\n\n\n\n
\n
\"Plastic
Plastic Injection Molds<\/figcaption><\/figure>\n\n\n\n
\"mirror-finish
mirror-finish plastic mold<\/figcaption><\/figure>\n<\/figure>\n\n\n\n
    \n
  1. Ideal for manufacturing complex and high-precision plastic molds.<\/li>\n\n\n\n
  2. Suitable for large-scale mirror-finish plastic mold production.<\/li>\n<\/ol>\n\n\n\n

    2. P20+Ni steel chemical composition<\/h2>\n\n\n\n
    Carbon (C)<\/td>Silicon (Si)<\/td>Manganese (Mn)<\/td>Phosphorus (P)<\/td>Sulfur (S)<\/td>Chromium (Cr)<\/td>Molybdenum (Mo)<\/td>Nickel (Ni)<\/td><\/tr>
    0.35 \u2013 0.45<\/td>0.20 \u2013 0.40<\/td>0.60 \u2013 1.60<\/td>\u2264 0.030<\/td>\u2264 0.030<\/td>1.80 \u2013 2.10<\/td>0.15 \u2013 0.25<\/td>0.90 \u2013 1.20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    3. P20+Ni steel physical properties<\/h2>\n\n\n\n
    Propiedad<\/td>Value<\/td>Unit<\/td><\/tr>
    Density<\/td>7.7 \u2013 7.85<\/td>g\/cm\u00b3<\/td><\/tr>
    Hardness (Pre-hardened)<\/td>280-320<\/td>HB<\/td><\/tr>
     <\/td>~28-32<\/td>HRC<\/td><\/tr>
    Resistencia a la tracci\u00f3n<\/td>850 \u2013 1300<\/td>MPa<\/td><\/tr>
    L\u00edmite el\u00e1stico<\/td>770 \u2013 1000<\/td>MPa<\/td><\/tr>
    Elongation<\/td>13 \u2013 16<\/td>%<\/td><\/tr>
    Impact Toughness<\/td>20 \u2013 42<\/td>J\/cm\u00b2<\/td><\/tr>
    M\u00f3dulo de elasticidad<\/td>205 \u2013 212 x 10\u00b3<\/td>MPa<\/td><\/tr>
    Thermal Conductivity<\/td> <\/td> <\/td><\/tr>
    * At 20\u00b0C<\/td>29 \u2013 35<\/td>W\/(m\u00b7K)<\/td><\/tr>
    * At 350\u00b0C<\/td>~34<\/td>W\/(m\u00b7K)<\/td><\/tr>
    * At 700\u00b0C<\/td>~33<\/td>W\/(m\u00b7K)<\/td><\/tr>
    Thermal Expansion Coeff.<\/td> <\/td> <\/td><\/tr>
    * 20-100\u00b0C<\/td>11.2 \u2013 12.0 x 10\u207b\u2076<\/td>\/K<\/td><\/tr>
    * 20-200\u00b0C<\/td>12.8 x 10\u207b\u2076<\/td>\/K<\/td><\/tr>
    * 20-300\u00b0C<\/td>13.5 x 10\u207b\u2076<\/td>\/K<\/td><\/tr>
    Critical Temperatures<\/td> <\/td>\u00b0C<\/td><\/tr>
    * Ac1<\/td>720<\/td>\u00b0C<\/td><\/tr>
    * Ac3<\/td>800<\/td>\u00b0C<\/td><\/tr>
    * Ms<\/td>290<\/td>\u00b0C<\/td><\/tr>
    Soft Annealing Temp.<\/td>710-740<\/td>\u00b0C<\/td><\/tr>
    Stress Relieving Temp.<\/td>560-600<\/td>\u00b0C<\/td><\/tr>
    Hardening Temperature<\/td>840-880<\/td>\u00b0C<\/td><\/tr>
    Temperatura de templado<\/td>100-700<\/td>\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    4. P20+Ni equivalents DIN 1.2738<\/h2>\n\n\n\n

    1.2738 steel is a German super-pre-hardened plastic mold steel, supplied in a pre-hardened condition that eliminates the need for additional heat treatment and allows direct machining into molds. It offers excellent machinability, facilitates cutting and polishing, and undergoes stress-relief annealing and surface nitriding treatment with minimal dimensional and hardness changes. Particularly suitable for plastic mold frames with a thickness greater than 400mm.<\/p>\n\n\n\n

    1.2738 steel chemical composition<\/h3>\n\n\n\n
    Carbon (C)<\/td>Silicon (Si)<\/td>Manganese (Mn)<\/td>Phosphorus (P)<\/td>Sulfur (S)<\/td>Chromium (Cr)<\/td>Molybdenum (Mo)<\/td>Nickel (Ni)<\/td><\/tr>
    0.35 \u2013 0.45<\/td>0.20 \u2013 0.40<\/td>1.30 \u2013 1.60<\/td>\u2264 0.030<\/td>\u2264 0.030<\/td>1.80 \u2013 2.10<\/td>0.15 \u2013 0.25<\/td>0.90 \u2013 1.20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Physical Properties of 1.2738 Steel<\/h3>\n\n\n\n
    Propiedad<\/td>Value<\/td>Unit<\/td><\/tr>
    Density<\/td>7.85<\/td>g\/cm\u00b3<\/td><\/tr>
    Hardness (Pre-hardened)<\/td>280-325<\/td>HB<\/td><\/tr>
    Resistencia a la tracci\u00f3n<\/td>850 \u2013 1100<\/td>MPa<\/td><\/tr>
    L\u00edmite el\u00e1stico<\/td>770 \u2013 980<\/td>MPa<\/td><\/tr>
    Elongation<\/td>13 \u2013 16<\/td>%<\/td><\/tr>
    Impact Toughness<\/td>20 \u2013 42<\/td>J\/cm\u00b2<\/td><\/tr>
    M\u00f3dulo de elasticidad<\/td>205 x 10\u00b3<\/td>N\/mm\u00b2<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n
    \n
    Formulario de solicitud de cotizaci\u00f3n abierta<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    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 […]<\/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":"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":"\nP20+Ni Tool Steel | 1.2738 Supplier - 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