{"id":24870,"date":"2026-11-01T22:38:36","date_gmt":"2026-11-01T14:38:36","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=24870"},"modified":"2026-11-14T11:17:28","modified_gmt":"2026-11-14T03:17:28","slug":"1-2343-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/1-2343-tool-steel\/","title":{"rendered":"1.2343 Tool Steel (X37CrMoV5-1 \/ AISI H11) Supplier | Aobo Steel"},"content":{"rendered":"\n<div class=\"wp-block-cover alignfull is-light e2343-cover\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-block-cover__image-background wp-image-24872\" alt=\"1.2343 forged round bars, bar ends painted 12343 with 450 mm diameter, heat number and weight\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/11\/up-12343-hero.jpg\" width=\"2400\" height=\"1601\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/11\/up-12343-hero.jpg 2400w, 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.e2343-direct{margin-top:5px!important;padding-top:4px!important;gap:6px!important}\n  .e2343-dl{display:grid!important;grid-template-columns:1fr 1fr!important;gap:6px!important}\n  .e2343-dl p{margin:0!important}\n  .e2343-dl .k{display:inline!important;font-size:9.4px!important;margin:0 3px 0 0!important;letter-spacing:.04em!important}\n  .e2343-dl a, .e2343-dl a.mail, .e2343-dl a.wa{display:block!important;text-align:center!important;padding:7px 3px!important;\n    font-size:11.2px!important;line-height:1.15!important;border:1px solid #0d47b5!important;border-radius:6px!important;\n    background:#f5f8fe!important;white-space:nowrap!important}\n}\n<\/style>\n<div class=\"e2343-in\">\n    <div class=\"e2343-copy\">\n      <p class=\"e2343-eyebrow\">Aobo Steel \u00b7 Hot Work Tool Steel \u00b7 Huangshi, China<\/p>\n      <h1 class=\"e2343-h1\">1.2343 Tool Steel <span class=\"e2343-nb\">(X37CrMoV5-1 \/ AISI H11)<\/span><\/h1>\n      <p class=\"e2343-sub\">1.2343 \u00b7 X37CrMoV5-1 \u00b7 AISI H11 \u00b7 JIS SKD6 \u00b7 GB 4Cr5MoSiV<\/p>\n      <p class=\"e2343-lede\">1.2343 is the EN number for X37CrMoV5-1, the chromium hot work steel sold internationally as AISI H11 and JIS SKD6. The older German name X38CrMoV5-1 still turns up on drawings from European tool shops. It hardens to 48 HRC and above after an oil quench at 1020 \u00b0C and a 550 \u00b0C temper, and with less vanadium than 1.2344 it keeps the better toughness of the two. Every size is forged and annealed to order, so send the drawing and the quantity before the run is planned.<\/p>\n      <div class=\"e2343-spec\"><div class=\"hl\"><b>Grade<\/b><span>1.2343 \u00b7 X37CrMoV5-1 \u00b7 AISI H11 \u00b7 JIS SKD6 \u00b7 GB 4Cr5MoSiV<\/span><\/div><div class=\"hl\"><b>Stock<\/b><span>No stock. Every size is made to order against your drawing<\/span><\/div><div class=\"row-round\"><b>Round bar<\/b><span>\u00d820 \u2013 600 mm, forged and turned \u00b7 2 \u2013 5.5 m mill length<\/span><\/div><div class=\"row-flat\"><b>Flat bar<\/b><span>20 \u2013 400 mm thick \u00d7 200 \u2013 610 mm wide, cut to your list<\/span><\/div><div><b>Delivery<\/b><span>Spheroidise annealed, 229 HB max (ISO 4957) \u00b7 ESR (ESU) on request<\/span><\/div><div class=\"row-docs\"><b>Documents<\/b><span>MTC EN 10204 3.1 per heat \u00b7 UT SEP 1921-82 D\/d or E\/e<\/span><\/div><\/div>\n      <p class=\"e2343-also\">Equivalents on the <a href=\"https:\/\/aobosteel.com\/h11-tool-steel\/\">H11 tool steel page<\/a> and the <a href=\"https:\/\/aobosteel.com\/iso-4957-tool-steel-grades\/\">ISO 4957 list<\/a>. Wear-led, <a href=\"https:\/\/aobosteel.com\/1-2344-tool-steel\/\">1.2344 tool steel<\/a>.<\/p>\n    <\/div>\n\n    <div class=\"e2343-card\" id=\"e2343-form\">\n      <h2>Get 1.2343 price and delivery<\/h2>\n      <p class=\"e2343-cardsub\">No stock on this grade, every order is a production run. Send the sizes, quantity and destination port and we confirm price and delivery within one working day.<\/p>\n      \n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16042-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"16042\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/es\/wp-json\/wp\/v2\/pages\/24870#wpcf7-f16042-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16042\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.2.5\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16042-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"wpcf7-turnstile cf-turnstile\" data-sitekey=\"0x4AAAAAAFMY32JbOfIdWijB\" data-response-field-name=\"_wpcf7_turnstile_response\"><\/div>\n\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your Name *\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Email *\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"4\" maxlength=\"2000\" 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