{"id":14734,"date":"2026-04-17T22:26:01","date_gmt":"2026-04-17T14:26:01","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=14734"},"modified":"2026-04-23T07:37:57","modified_gmt":"2026-04-22T23:37:57","slug":"1-2379-tool-steel-round-bar","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/1-2379-tool-steel-round-bar\/","title":{"rendered":"1.2379 Round Bar Supplier | D2 Tool Steel Round Bar Wholesale"},"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-8276fe18\"><h4 class=\"uagb-heading-text\"><em>Aobo Steel | Global Tool Steel Supplier in China<\/em><\/h4><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c04ecb9d\"><h1 class=\"uagb-heading-text\">1.2379 Round Bar Supplier for Bulk Industrial Orders<\/h1><p class=\"uagb-desc-text\">Aobo Steel supplies&nbsp;<strong>1.2379 round bar<\/strong>&nbsp;to distributors, stockists, and industrial importers who need practical bulk supply, export-ready lengths, clear delivery terms, and reliable RFQ support.<\/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\">Request a Quick Inquiry<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-cead8935 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<p class=\"wp-block-paragraph\" id=\"h-\">DIN 1.2379 is widely known as the European equivalent of&nbsp;D2&nbsp;and is commonly associated with&nbsp;SKD11&nbsp;in the Japanese standard system. When making actual purchases, buyers usually care more about the available size range, export length, surface condition, and supply reliability than about generic material descriptions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-supply-overview\">Supply Overview<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Grade<\/th><td class=\"has-text-align-left\" data-align=\"left\">DIN 1.2379<\/td><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">Equivalent Grades<\/th><td class=\"has-text-align-left\" data-align=\"left\">D2, SKD11, Cr12Mo1V1<\/td><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">Product Form<\/th><td class=\"has-text-align-left\" data-align=\"left\">Round Bar<\/td><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">Diameter Range<\/th><td class=\"has-text-align-left\" data-align=\"left\">12\u2013800 mm<\/td><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">Length<\/th><td class=\"has-text-align-left\" data-align=\"left\">2\u20135.5 m random mill length<\/td><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">Surface<\/th><td class=\"has-text-align-left\" data-align=\"left\">Black, rough machined, peeled, turned<\/td><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">Delivery Condition<\/th><td class=\"has-text-align-left\" data-align=\"left\">Usually annealed for machining<\/td><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">MOQ<\/th><td class=\"has-text-align-left\" data-align=\"left\">5 tons<\/td><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">Documents<\/th><td class=\"has-text-align-left\" data-align=\"left\">MTC available per order<\/td><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">UT Option<\/th><td class=\"has-text-align-left\" data-align=\"left\">Can be discussed according to project requirements<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-51a77624 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<figure class=\"wp-block-image alignfull size-full\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/1.2379.jpg\" alt=\"\" class=\"wp-image-1134\"\/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-de20087b alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"h-why-global-distributors-source-1-2379-round-bar-from-aobo-steel\">Why Global Distributors Source 1.2379 round bar from Aobo Steel<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 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>Continuous monthly supply of around 1000 tons<\/li>\n\n\n\n<li>MOQ from 5 tons for wholesale orders<\/li>\n\n\n\n<li>Container-optimized bar and plate lengths<\/li>\n\n\n\n<li>Mixed sizes are supported for export loading<\/li>\n\n\n\n<li>Annealed delivery for downstream machining<\/li>\n\n\n\n<li>Stable sourcing through integrated supply chain partners<\/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>UT inspection available to SEP 1921-82 D\/d or E\/e<\/li>\n\n\n\n<li>MTC and batch traceability with each shipment<\/li>\n\n\n\n<li>Heat number tracking for order control<\/li>\n\n\n\n<li>Black, turned, and polished surface options<\/li>\n\n\n\n<li>Bulk export packing for sea shipment<\/li>\n\n\n\n<li>Clear conversion path to the dedicated bulk supply page<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-uagb-container uagb-block-5d8a0cc1 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-left\" id=\"h-stable-production-for-long-term-bulk-supply\">Stable Production for Long-Term Bulk Supply<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Continuous production cycles for inventory replenishment<\/li>\n\n\n\n<li>ESR (Electro-Slag Remelting) is available upon request<\/li>\n\n\n\n<li>Stable alloy sourcing to reduce supply interruption risk<\/li>\n\n\n\n<li>Full batch traceability linked to the original heat number<\/li>\n<\/ul>\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 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Request a Volume Quote<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\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>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-905fd28c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 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 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-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\" id=\"h-quality-control-for-bulk-orders\">Quality Control for Bulk Orders<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Every batch of tool steel supplied by Aobo Steel is verified before shipment to ensure grade accuracy, internal soundness, and traceability for bulk orders.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chemical composition verified by a spectrometer<\/li>\n\n\n\n<li>Ultrasonic testing available (SEP 1921-82)<\/li>\n\n\n\n<li>Delivered in spheroidized annealed condition<\/li>\n\n\n\n<li>Mill Test Certificate (EN 10204 3.1) with heat number<\/li>\n\n\n\n<li>Dimensional and surface inspection before shipment<\/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\">Get 1.2379 Bulk Supply Quote<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-a9250134 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\" id=\"h-export-packaging-and-container-loading\">Export Packaging and Container Loading<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Professional seaworthy export packing<\/li>\n\n\n\n<li>20GP loading optimized up to ~26 tons<\/li>\n\n\n\n<li>Mixed grades and mixed sizes supported<\/li>\n\n\n\n<li>Anti-rust protection for long sea transit<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-\">For international shipments, full-container loading is strongly recommended to ensure cost efficiency and smoother customs processing.<\/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\">Get a Full Container Load (FCL) Quote<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\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>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-118f57d9 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"h-1-2379-chemical-composition\">1.2379 Chemical Composition<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td>C<\/td><td>Si<\/td><td>Mn<\/td><td>Cr<\/td><td>Mo<\/td><td>V<\/td><td>P<\/td><td>S<\/td><\/tr><tr><td>Germany\/W-Nr. 1.2379<\/td><td>1.45 \u2013 1.60%<\/td><td>0.10 \u2013 0.60%<\/td><td>0.20 \u2013 0.60%<\/td><td>11.00 \u2013 13.00%<\/td><td>0.70 \u2013 1.00%<\/td><td>0.70 \u2013 1.00%<\/td><td>\u22640.030%<\/td><td>\u22640.030%<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-f3e2070c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"h-typical-applications-of-1-2379-tool-steel-round-bar\">Typical Applications of 1.2379 Tool Steel Round Bar<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Application Area<\/strong><\/td><td><strong>Typical Components (From Round Bar)<\/strong><\/td><td><strong>Key Working Condition<\/strong><\/td><td><strong>Why Use 1.2379 (D2)<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Cold Punching &amp; Blanking<\/strong><\/td><td>Punches, die inserts, slitter knives, shear blades<\/td><td>High-cycle stamping, severe abrasive wear<\/td><td>High volume of primary chromium carbides ensures superior edge retention and extends tool life in mass production.<\/td><\/tr><tr><td><strong>Cold Forming &amp; Drawing<\/strong><\/td><td>Drawing dies, drawing rings, extrusion mandrels<\/td><td>High compressive stress and heavy surface friction<\/td><td>Exceptional compressive strength; maintains precise geometry under extreme loads and resists galling or surface damage.<\/td><\/tr><tr><td><strong>Thread Rolling &amp; Precision Forming<\/strong><\/td><td>Thread rolling dies, forming rolls, knurling tools<\/td><td>Continuous contact pressure and cyclic loading<\/td><td>Excellent dimensional stability during heat treatment allows for high-precision thread profiles and maximum service life.<\/td><\/tr><tr><td><strong>Industrial Cutting (Abrasive Media)<\/strong><\/td><td>Woodworking tools, paper\/plastic knives, specialized broaches<\/td><td>Processing abrasive materials at moderate cutting speeds<\/td><td>Outperforms low-alloy steels due to its secondary hardening potential and matrix hardness; ideal for non-metallic processing.<\/td><\/tr><tr><td><strong>Precision Wear Components<\/strong><\/td><td>Gauges, bushings, guide centers, wear plates<\/td><td>Constant friction and requirement for long-term accuracy<\/td><td>Minimizes dimensional wear over long service cycles, significantly lowering maintenance and replacement frequency for end-users.<\/td><\/tr><tr><td><strong>Abrasive Industrial Tooling<\/strong><\/td><td>Ceramic molds, brick molds, powder compacting tools<\/td><td>Extreme abrasive environments with particle erosion<\/td><td>The carbide-rich microstructure acts as a physical barrier against erosive particles, preventing premature mold wash-out.<\/td><\/tr><tr><td><strong>Semi-Hot Working (Limited)<\/strong><\/td><td>Hot trimming dies, hot sizing tools (Temp &lt; 400\u2103)<\/td><td>Moderate temperature exposure with high friction<\/td><td>Retains higher hardness than standard cold-work steels at slightly elevated temperatures (up to 400\u2103) due to its alloy composition.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-fec7ace3 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-9706fae9\"><h2 class=\"uagb-heading-text\">Request a Quote for 1.2379 Round Bar<\/h2><p class=\"uagb-desc-text\">If you are sourcing DIN 1.2379 round bar, D2 round bar, or SKD11 round bar for bulk purchase, send your required size, quantity, and destination port. Aobo Steel will quote based on practical supply conditions instead of vague catalog language.<\/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 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\">Open RFQ Form<\/a><\/div>\n<\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>DIN 1.2379 is widely known as the European equivalent of&nbsp;D2&nbsp;and is commonly associated with&nbsp;SKD11&nbsp;in the Japanese standard system. When making actual purchases, buyers usually care more about the available size range, export length, surface condition, and supply reliability than about generic material descriptions. Supply Overview Grade DIN 1.2379 Equivalent Grades D2, SKD11, Cr12Mo1V1 Product Form [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14791,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","_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-14734","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>1.2379 Round Bar Supplier | D2 Tool Steel Round Bar Wholesale - AoboSteel<\/title>\n<meta name=\"description\" content=\"1.2379 (D2) round bar for high-wear tooling. Extend tool life, reduce regrinding, and keep production stable under heavy load.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/ko\/1-2379-tool-steel-round-bar\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1.2379 Round Bar Supplier | D2 Tool Steel Round Bar Wholesale\" \/>\n<meta property=\"og:description\" content=\"1.2379 (D2) round bar for high-wear tooling. 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