{"id":11916,"date":"2026-01-03T16:56:39","date_gmt":"2026-01-03T08:56:39","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11916"},"modified":"2026-01-28T23:37:10","modified_gmt":"2026-01-28T15:37:10","slug":"d3-tool-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/d3-tool-steel-heat-treatment\/","title":{"rendered":"D3 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc"},"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-33e61970\"><h6 class=\"uagb-heading-text\"><a href=\"https:\/\/aobosteel.com\/ko\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">\uc9d1<\/mark>     <\/a>&gt; <a href=\"https:\/\/aobosteel.com\/ko\/tool-steel-heat-treatment-guide\/\">    <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">\uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uae30\uc220\uc13c\ud130<\/mark>    <\/a> D3 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/h6><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-8276fe18\"><h4 class=\"uagb-heading-text\"><em>\uc544\uc624\ubcf4 \uc2a4\ud2f8 | \uc911\uad6d\uc758 \uae00\ub85c\ubc8c \uacf5\uad6c\uac15 \uacf5\uae09\uc5c5\uccb4<\/em><\/h4><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c04ecb9d\"><h1 class=\"uagb-heading-text\">D3 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/h1><p class=\"uagb-desc-text\">\ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ucd08\uace0\uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \uce58\uc218 \uc548\uc815\uc131\uc744 \uc704\ud55c D3 \uacf5\uad6c\uac15(DIN 1.2080 | JIS SKD11)\uc758 \uc5f4\ucc98\ub9ac \uc9c0\uce68\uc785\ub2c8\ub2e4.<\/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\">\ube60\ub978 \ubb38\uc758\ub97c \uc694\uccad\ud558\uc138\uc694<\/a><\/div>\n\n\n\n<div class=\"wp-block-button hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/ko\/d3-tool-steel\/\">D3 \uc18c\uc7ac \uc0ac\uc591<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-b674bdc0 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<p class=\"wp-block-paragraph\">\ubcf8 \uc548\ub0b4\uc11c\ub294 \uc804\ubb38\uac00 \uc790\ub8cc\uc640 \uc218\ub144\uac04\uc758 \uc5c5\uacc4 \uacbd\ud5d8\uc744 \ubc14\ud0d5\uc73c\ub85c D3 \uacf5\uad6c\uac15\uc73c\ub85c \uc81c\uc791\ub41c \uac00\uacf5 \ubd80\ud488\uc758 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uc808\ucc28\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. D3\uac15\uc740 \ub192\uc740 \ub0b4\ub9c8\ubaa8\uc131\uacfc \uc2ec\uce35 \uacbd\ud654 \ub2a5\ub825\uc774 \ud2b9\uc9d5\uc785\ub2c8\ub2e4. \uacf5\ub7ad\uc2dd D2\uac15\uacfc \ub2ec\ub9ac D3\uac15\uc740 \uc624\uc77c \ub2f4\uae08\uc9c8\uc774 \ud544\uc694\ud558\uba70, \uc774 \uacfc\uc815\uc5d0\uc11c \ubcc0\ud615\uacfc \uade0\uc5f4\uc744 \ubc29\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-a-quick-checklist-for-d3-tool-steel-heat-treatment\">D3 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac04\ud3b8 \uc810\uac80\ud45c<\/h2>\n\n\n\n<div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-total-time\"><span class=\"schema-how-to-duration-time-text\">\ud544\uc694\ud55c \uc2dc\uac04: &nbsp;<\/span>1 \uc77c<\/p><p class=\"schema-how-to-description\">\uc774 \uac00\uc774\ub4dc\ub294 D3 \uacf5\uad6c\uac15\uc73c\ub85c \uc81c\uc791\ub41c \uac00\uacf5 \ubd80\ud488\uc758 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uc808\ucc28\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1767429818980\"><strong class=\"schema-how-to-step-name\">\uc608\uc5f4<\/strong> <p class=\"schema-how-to-step-text\">\ud574\ub2f9 \ubd80\ud488\uc744 \uc2e4\uc628\uc5d0\uc11c \ub9e4\uc6b0 \ucc9c\ucc9c\ud788 \uac00\uc5f4\ud558\uc2ed\uc2dc\uc624. <strong>815\u00b0C<\/strong> (<strong>1500\u00b0F<\/strong>) \uadf8\ub9ac\uace0 \uc5f4 \ucda9\uaca9\uacfc \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ubd80\ud488\uc774 \uade0\uc77c\ud558\uac8c \uac00\uc5f4\ub420 \ub54c\uae4c\uc9c0 \uc774 \uc628\ub3c4\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1767429882088\"><strong class=\"schema-how-to-step-name\">\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654(\uacbd\ud654)<\/strong> <p class=\"schema-how-to-step-text\">\ub09c\ub85c\ub97c \ub2e4\uc74c \uc628\ub3c4\ub85c \uc608\uc5f4\ud558\uc138\uc694 <strong>925\u00b0C<\/strong> \uadf8\ub9ac\uace0 <strong>980\u00b0C<\/strong> (<strong>1700\u00b0F<\/strong> \uc5d0\uac8c <strong>\ud654\uc528 1795\ub3c4<\/strong>) \uadf8\ub9ac\uace0 \uc791\uc740 \uacf5\uc791\ubb3c\uc744 \ub2f4\uadf8\uc2ed\uc2dc\uc624. <strong>15\ubd84<\/strong> \ub610\ub294 \ub300\ud615 \uacf5\uc791\ubb3c\uc758 \uacbd\uc6b0 \ucd5c\ub300 <strong>45\ubd84<\/strong>. \ud0c8\ud0c4\uc744 \ubc29\uc9c0\ud558\ub824\uba74 \uc9c4\uacf5\ub85c\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \uac15\ucca0\uc744 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ud638\uc77c \ub610\ub294 \uae68\ub057\ud55c \uc8fc\ucca0 \uc870\uac01\uc73c\ub85c \ub2e8\ub2e8\ud788 \uac10\uc2f8\uc2ed\uc2dc\uc624.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1767429902815\"><strong class=\"schema-how-to-step-name\">\ub2f4\uae08\uc9c8<\/strong> <p class=\"schema-how-to-step-text\">\ubd80\ud488\uc744 \ub530\ub73b\ud55c \uc624\uc77c \uc695\uc870\ub85c \ube60\ub974\uac8c \uc62e\uae34 \ud6c4, \uacf5\uc791\ubb3c\uc774 \ud574\ub2f9 \uc628\ub3c4\uc5d0 \ub3c4\ub2ec\ud560 \ub54c\uae4c\uc9c0 \ub2f4\uae08\uc9c8\ud558\uc2ed\uc2dc\uc624. <strong>50\u00b0C<\/strong> \uc5d0\uac8c <strong>66\u00b0C<\/strong> (<strong>\ud654\uc528 120\ub3c4<\/strong> \uc5d0\uac8c <strong>150\u00b0F<\/strong>\uadf8\ub7f0 \ub2e4\uc74c \ub9cc\uc84c\uc744 \ub54c \uc544\uc9c1 \ub530\ub73b\ud560 \ub54c \uacf5\uad6c\ub97c \uc81c\uac70\ud558\uc2ed\uc2dc\uc624. \uc774 \uacfc\uc815 \ub3d9\uc548 \uc624\uc77c \ubc30\uc2a4\ub97c \ud754\ub4e4\uac70\ub098 \ubd80\ud488\uc744 \uc6c0\uc9c1\uc5ec \uc99d\uae30\ub9c9\uc744 \uc81c\uac70\ud558\uace0 \uc5f0\ud654\ub41c \ubd80\ubd84\uc774 \uc0dd\uae30\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1767429939481\"><strong class=\"schema-how-to-step-name\">\ud15c\ud37c\ub9c1(1\ucc28 \uc8fc\uae30)<\/strong> <p class=\"schema-how-to-step-text\">\uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc190\uc73c\ub85c \ub9cc\uc838\ub3c4 \ub530\ub73b\ud55c \ubd80\ud488\uc744 \uc989\uc2dc \uc608\uc5f4\ub41c \uc5f4\ucc98\ub9ac\ub85c\uc5d0 \ub123\uace0, \uc628\ub3c4\ub97c ~ \uc0ac\uc774\ub85c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624. <strong>150\u00b0C<\/strong> \uadf8\ub9ac\uace0 <strong>540\u00b0C<\/strong> (<strong>\ud654\uc528 300\ub3c4<\/strong> \uadf8\ub9ac\uace0 <strong>\ud654\uc528 1000\ub3c4<\/strong>\uc6d0\ud558\ub294 \uacbd\ub3c4\uc5d0 \ub530\ub77c \uc628\ub3c4\ub97c \uc870\uc808\ud558\uc2ed\uc2dc\uc624. <strong>1\uc2dc\uac04<\/strong> \uc778\uce58\ub2f9 (<strong>25mm<\/strong>\ub450\uaed8\ub294 )\uc774\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \uad8c\uc7a5\ub418\ub294 \ucd5c\uc18c \ub450\uaed8\ub294 \uc785\ub2c8\ub2e4. <strong>2\uc2dc\uac04<\/strong>.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1767429968273\"><strong class=\"schema-how-to-step-name\">\ub0c9\uac01<\/strong> <p class=\"schema-how-to-step-text\">D3 \uacf5\uad6c\uac15\uc744 \uc2e4\uc628\uc73c\ub85c \uc2dd\ud600 1\ucc28 \ud15c\ud37c\ub9c1 \ub2e8\uacc4\uc5d0\uc11c \ubc1c\uc0dd\ud55c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc751\ub825\uc744 \uc81c\uac70\ud558\uc2ed\uc2dc\uc624.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1767430035967\"><strong class=\"schema-how-to-step-name\">\ud15c\ud37c\ub9c1(2\ucc28 \uacf5\uc815)<\/strong> <p class=\"schema-how-to-step-text\">\uccab \ubc88\uc9f8 \uc0ac\uc774\ud074\uc5d0\uc11c \uc0ac\uc6a9\ud55c \uac83\uacfc \ub3d9\uc77c\ud55c \uc628\ub3c4\ub85c \uacf5\uad6c\ub97c \ub2e4\uc2dc \uac00\uc5f4\ud558\uace0 \uc77c\uc815 \uc2dc\uac04 \ub3d9\uc548 \uc720\uc9c0\ud569\ub2c8\ub2e4. <strong>1\uc2dc\uac04<\/strong> \uc778\uce58\ub2f9 (<strong>25mm<\/strong>\ub450\uaed8 ) (\ucd5c\uc18c) <strong>2\uc2dc\uac04<\/strong>\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \ubcc0\ud615\uc2dc\ud0a4\uae30 \uc704\ud574.<\/p> <\/li><\/ol><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\uc608\uc5f4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D3\uac15\uc740 \uc5f4\uc804\ub3c4\uc728\uc774 \ub0ae\uace0 \uc5f4\uc744 \ucc9c\ucc9c\ud788 \ud761\uc218\ud569\ub2c8\ub2e4. \uc0c1\uc628\uc758 D3 \uacf5\uad6c\uac15\uc744 \uace0\uc628\ub85c\uc5d0 \uc9c1\uc811 \ub123\uc73c\uba74 \uc5f4\ucda9\uaca9\uc774 \ubc1c\uc0dd\ud558\uc5ec \uade0\uc5f4\uc774 \uc0dd\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc0c1\uc628\uc5d0\uc11c \ub9e4\uc6b0 \ucc9c\ucc9c\ud788 \uac00\uc5f4\uc744 \uc2dc\uc791\ud574\uc57c \ud569\ub2c8\ub2e4. \ubd80\ud488\uc744 815\u00b0C(1500\u00b0F)\uae4c\uc9c0 \uc608\uc5f4\ud558\uace0 \uade0\uc77c\ud558\uac8c \uac00\uc5f4\ub420 \ub54c\uae4c\uc9c0 \uc774 \uc628\ub3c4\ub97c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624. \uadf8\ub7f0 \ub2e4\uc74c \ub85c\uc758 \uc628\ub3c4\ub97c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uae4c\uc9c0 \uc62c\ub824\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654(\uacbd\ud654)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc804 \ub2e8\uacc4\uc5d0 \ub530\ub77c, \uc6a9\uad11\ub85c\ub97c 925\u00b0C~980\u00b0C(1700\u00b0F~1795\u00b0F)\ub85c \uac00\uc5f4\ud569\ub2c8\ub2e4. \uc791\uc740 D3 \uacf5\uad6c\uac15 \uacf5\uc791\ubb3c\uc740 15\ubd84 \ub3d9\uc548 \uc720\uc9c0\ud574\uc57c \ud558\uba70, \ud070 \uacf5\uc791\ubb3c\uc740 \ucd5c\ub300 45\ubd84\uae4c\uc9c0 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac00\uc5f4 \uc911 \ubd84\uc704\uae30 \uc81c\uc5b4\ub294 \ud0c8\ud0c4\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc9c4\uacf5\ub85c\ub294 \ud0c8\ud0c4\uc744 \ubc29\uc9c0\ud558\uace0 D3 \uacf5\uad6c\uac15\uc758 \ubc1d\uc740 \ud45c\uba74\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \uac00\uc7a5 \uc801\ud569\ud569\ub2c8\ub2e4. \uc9c4\uacf5\ub85c\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0, D3 \uacf5\uad6c\uac15\uc744 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ud3ec\uc77c\ub85c \ub2e8\ub2e8\ud788 \uac10\uc2f8\uac70\ub098 \uc8fc\ucca0 \uce69\uacfc \uac19\uc740 \uae68\ub057\ud558\uace0 \uac74\uc870\ud558\uba70 \ubd88\ud65c\uc131\uc778 \uc7ac\ub8cc\ub85c \ud3ec\uc7a5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-f619b717\">\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"765\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/D3-Tool-Steel-Isothermal-Transformation-Diagram.avif\" alt=\"D3 \uacf5\uad6c\uac15\uc758 \ub4f1\uc628 \ubcc0\ud658 \ub2e4\uc774\uc5b4\uadf8\ub7a8\" class=\"wp-image-11918\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/D3-Tool-Steel-Isothermal-Transformation-Diagram.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/D3-Tool-Steel-Isothermal-Transformation-Diagram-300x224.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/D3-Tool-Steel-Isothermal-Transformation-Diagram-768x574.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/D3-Tool-Steel-Isothermal-Transformation-Diagram-16x12.avif 16w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">D3 \uacf5\uad6c\uac15\uc758 \ub4f1\uc628 \ubcc0\ud0dc \ub2e4\uc774\uc5b4\uadf8\ub7a8. 1000\u00b0C(1830\u00b0F)\uc5d0\uc11c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \ucc98\ub9ac\ub428. <\/figcaption><\/figure>\n\n\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\\\/\",\n    \"@type\": \"ImageObject\",\n    \"contentUrl\": \"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/D3-Tool-Steel-Isothermal-Transformation-Diagram.avif\",\n    \"license\": \"https:\\\/\\\/aobosteel.com\\\/terms-of-service\\\/\",\n    \"acquireLicensePage\": \"https:\\\/\\\/aobosteel.com\\\/contact-us\\\/\",\n    \"creditText\": \"Aobo Steel\",\n    \"creator\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Aobo Steel\"\n    },\n    \"copyrightNotice\": \"Aobo Steel - Huangshi Aobo Mold Material Co., Ltd.\",\n    \"description\": \"Isothermal Transformation Diagram (TTT Curve) for D3 Tool Steel (1.2080). This technical chart shows the transformation of austenite at constant temperatures, including Pearlite (P), Bainite (B), and Martensite (Ms) start points.\",\n    \"name\": \"D3 Tool Steel Isothermal Transformation Diagram\",\n    \"representativeOfPage\": \"true\",\n    \"caption\": \"D3 (1.2080) Tool Steel Isothermal Transformation Diagram - Aobo Steel Technical Guide\",\n    \"uploadDate\": \"2026-01-03\"\n}<\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\ub2f4\uae08\uc9c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uae30 \uc911\uc5d0\uc11c \ub2f4\uae08\uc9c8\ud560 \uc218 \uc788\ub294 D2 \uac15\uacfc\ub294 \ub2ec\ub9ac, D3 \uac15\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \ubcc0\ud0dc\uc2dc\ucf1c \ucd5c\ub300 \uacbd\ub3c4\ub97c \uc5bb\uae30 \uc704\ud574 \ub530\ub73b\ud55c \uc624\uc77c\uc5d0\uc11c \ub2f4\uae08\uc9c8\ud574\uc57c \ud569\ub2c8\ub2e4. \uc791\uc5c5 \uc911\uc5d0\ub294 \ubd80\ud488\uc744 \uc6a9\uad11\ub85c\uc5d0\uc11c \uc624\uc77c \uc695\uc870\ub85c \ube60\ub974\uac8c \uc62e\uaca8 \uacf5\uc791\ubb3c \uc628\ub3c4\uac00 \uc57d 50\u00b0C~66\u00b0C(120\u00b0F~150\u00b0F)\uc5d0 \ub3c4\ub2ec\ud560 \ub54c\uae4c\uc9c0 \ub2f4\uae08\uc9c8\ud574\uc57c \ud569\ub2c8\ub2e4. \uc989, \uacf5\uad6c\uac00 \ub9cc\uc84c\uc744 \ub54c \ub530\ub73b\ud55c \uc0c1\ud0dc\uc77c \ub54c \uaebc\ub0b4\uc57c \ud569\ub2c8\ub2e4. \ud15c\ud37c\ub9c1 \uc804\uc5d0 \uacf5\uad6c\uac00 \uc2e4\uc628\uc5d0 \ub3c4\ub2ec\ud558\ub3c4\ub85d \ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uade0\uc5f4 \uc704\ud5d8\uc774 \ud06c\uac8c \uc99d\uac00\ud569\ub2c8\ub2e4. \uc774 \uacf5\uc815 \ud6c4 \uc608\uc0c1 \uacbd\ub3c4\ub294 \uc57d 64~66 HRC\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub2f4\uae08\uc9c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f4\uae08\uc9c8\ub41c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub294 \ub9e4\uc6b0 \ucde8\uc131\uc774 \uac15\ud558\uace0 \ub0b4\ubd80 \uc751\ub825\uc774 \ub192\uae30 \ub54c\ubb38\uc5d0 \uc989\uc2dc \ud15c\ud37c\ub9c1\ud558\uc9c0 \uc54a\uc73c\uba74 \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud15c\ud37c\ub9c1\uc740 \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \uc989\uc2dc \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. D \uc2dc\ub9ac\uc988 \uac15\uc7ac\uc758 \ud45c\uc900 \uacf5\uc815\uc740 \ubcc0\ud0dc\ub97c \uc704\ud574 2\ub2e8\uacc4 \ud15c\ud37c\ub9c1 \uacf5\uc815\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/knowledge-hub\/what-is-retained-austenite\/\">\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8<\/a> \uccab \ubc88\uc9f8 \ud15c\ud37c\ub9c1 \ub0c9\uac01 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc751\ub825\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4. \uad6c\uccb4\uc801\uc778 \uacf5\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. D3 \uacf5\uad6c\uac15\uc744 \ud15c\ud37c\ub9c1 \uc628\ub3c4\uae4c\uc9c0 \uac00\uc5f4\ud569\ub2c8\ub2e4. \uc720\uc9c0 \uc2dc\uac04\uc740 \uacf5\uad6c\uac15 \ub450\uaed8 1\uc778\uce58(25mm)\ub2f9 1\uc2dc\uac04\uc73c\ub85c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc548\uc815\uc131\uc744 \uc704\ud574 \uc77c\ubc18\uc801\uc73c\ub85c \ucd5c\uc18c 2\uc2dc\uac04\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. \uacf5\uad6c\uac00 \uc2e4\uc628\uc73c\ub85c \ub0c9\uac01\ub41c \ud6c4, \ub450 \ubc88\uc9f8 \ud15c\ud37c\ub9c1\uc744 \uc704\ud574 \ub3d9\uc77c\ud55c \uc628\ub3c4\ub85c \ub2e4\uc2dc \uac00\uc5f4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\ud15c\ud37c\ub9c1 \uc628\ub3c4<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\ub85d\uc6f0 C(HRC)<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\uac08\uc99d\uc774 \ud574\uc18c\ub41c \uac83\ucc98\ub7fc<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>66<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">300\u00b0F \/ 150\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">65<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">400\u00b0F \/ 205\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">61<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">500\u00b0F \/ 260\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">58<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">600\u00b0F \/ 315\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">57<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">700\u00b0F \/ 370\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">57<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">800\u00b0F \/ 425\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">56<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">900\u00b0F \/ 480\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">55<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1000\u00b0F \/ 540\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">52<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\uc608\uc5f4 \uc628\ub3c4: 1200\u00b0F\/650\u00b0C \uacbd\ud654 \uc628\ub3c4: 1725\u00b0F\/940\u00b0C \uc624\uc77c \ub2f4\uae08\uc9c8 \ud654\ud559 \uc131\ubd84: \ud0c4\uc18c 2.15%, \ub9dd\uac04 0.40%, \uaddc\uc18c 0.40%, \ud06c\ub86c 12.25% \ucd9c\ucc98: <em>\uacf5\uad6c\uac15\uc758 \uc5f4\ucc98\ub9ac, \uc120\ubcc4 \ubc0f \uc751\uc6a9<\/em> \uc70c\ub9ac\uc5c4 E. \ube0c\ub77c\uc774\uc2a8 \uc9c0\uc74c.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-deep-cryogenic-treatment-optional\">\uc2ec\uce35 \uadf9\uc800\uc628 \ucc98\ub9ac(\uc120\ud0dd \uc0ac\ud56d)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uce58\uc218 \uc548\uc815\uc131\uacfc \uacbd\ub3c4\ub97c \uadf9\ub300\ud654\ud558\uae30 \uc704\ud574 \uc794\ub958\ubb3c\uc744 \ubcc0\ud658\ud558\uae30 \uc704\ud574 \uc2ec\uce35 \uadf9\uc800\uc628 \ucc98\ub9ac\ub97c \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.&nbsp;<a href=\"https:\/\/aobosteel.com\/ko\/knowledge-hub\/what-is-austenite\/\">\uc624\uc2a4\ud14c\ub098\uc774\ud2b8<\/a>&nbsp;~ \uc548\uc73c\ub85c&nbsp;<a href=\"https:\/\/aobosteel.com\/ko\/knowledge-hub\/what-is-martensite\/\">\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8<\/a>. \uc774 \uacf5\uc815\uc740 \ub2f4\uae08\uc9c8\ubd80\ud130 -75\u00b0C\uc5d0\uc11c -196\u00b0C\uae4c\uc9c0 \uc5f0\uc18d \ub0c9\uac01\uc744 \ud544\uc694\ub85c \ud558\uba70, \uc774\ud6c4 \uc2e4\uc628\uc73c\ub85c \ub3cc\uc544\uc624\uc790\ub9c8\uc790 \ub0b4\ubd80 \uc751\ub825\uc744 \uc644\ud654\ud558\uae30 \uc704\ud574 \uc989\uc2dc \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub97c \ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D3 \uc5f4\ucc98\ub9ac \uc2dc \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0\ucc45<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ub2f4\uae08\uc9c8 \uade0\uc5f4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f4\uae08\uc9c8 \uade0\uc5f4\uc740 \ub2f4\uae08\uc9c8 \uacfc\uc815 \uc911 \ub610\ub294 \uc9c1\ud6c4\uc5d0 \ubc1c\uc0dd\ud558\ub294 \ud30c\uc190\uc744 \ub9d0\ud569\ub2c8\ub2e4. D3\uac15\uc740 \uacf5\ub7ad\ubcf4\ub2e4 \ub354 \uac15\ub825\ud55c \uc624\uc77c \ub2f4\uae08\uc9c8\uc774 \ud544\uc694\ud558\uae30 \ub54c\ubb38\uc5d0, \ubd80\ud488\uc774 \ub2f4\uae08\uc9c8 \ub9e4\uccb4\uc5d0\uc11c \uacfc\ub3c4\ud558\uac8c \ub0c9\uac01\ub418\uac70\ub098(50\u00b0C \ubbf8\ub9cc) \ub2f4\uae08\uc9c8\uacfc \ud15c\ud37c\ub9c1 \uc0ac\uc774\uc5d0 \uc2dc\uac04\ucc28\uac00 \ubc1c\uc0dd\ud558\uba74 \uade0\uc5f4\uc774 \uc0dd\uae30\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \ub610\ud55c, \ud45c\uba74\uc740 \uacbd\ud654\ub418\uc9c0\ub9cc \ub0b4\ubd80\ub294 \uacbd\ud654\ub418\uc9c0 \uc54a\ub294 \ubd88\uade0\uc77c\ud55c \uacbd\ud654\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \ub192\uc740 \ub0b4\ubd80 \uc751\ub825\ub3c4 \uc774 \ud604\uc0c1\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud574\uacb0\ucc45\uc740 \uc5f4 \ucda9\uaca9\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \uc801\uc808\ud55c \uc608\uc5f4\uc744 \uc2e4\uc2dc\ud558\uace0, \ubd80\ud488\uc774 \uc190\uc73c\ub85c \ub9cc\uc84c\uc744 \ub54c \ub530\ub73b\ud55c \uc628\ub3c4(50\u00b0C~66\u00b0C)\uc5d0 \ub3c4\ub2ec\ud558\uba74 \uc624\uc77c\uc5d0\uc11c \uaebc\ub0b8 \ud6c4 \uc989\uc2dc \uc608\uc5f4\ub41c \ud15c\ud37c\ub9c1\ub85c\uc5d0 \ub123\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub0ae\uc740 \uacbd\ub3c4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D3 \uacf5\uad6c\uac15\uc774 \uc608\uc0c1 HRC\uc5d0 \ub3c4\ub2ec\ud558\uc9c0 \ubabb\ud558\ub294 \uacbd\uc6b0 \uacbd\ub3c4 \ubd80\uc871 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub450 \uac00\uc9c0 \uc6d0\uc778\uc774 \uc788\ub294\ub370, \uccab\uc9f8\ub294 \uc5f4\ucc98\ub9ac \ubd84\uc704\uae30\ub97c \uc81c\ub300\ub85c \uc81c\uc5b4\ud558\uc9c0 \ubabb\ud574 \ud45c\uba74 \ud0c8\ud0c4\uc774 \ubc1c\uc0dd\ud558\ub294 \uac83\uc774\uace0, \ub458\uc9f8\ub294 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uac00 \uc9c0\ub098\uce58\uac8c \ub192\uc544 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \uc548\uc815\ud654\ub418\uc5b4 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c\uc758 \ubcc0\ud0dc\uac00 \uc5b5\uc81c\ub418\uace0 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \ub0a8\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc57d\uc810<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f0\uc57d\uc810\uc740 D3 \uacf5\uad6c\uac15 \ud45c\uba74\uc5d0\uc11c \uacbd\ub3c4\uac00 \uac10\uc18c\ub41c \uad6d\ubd80\uc801\uc778 \uc601\uc5ed\uc785\ub2c8\ub2e4. \uc774\ub294 \uc624\uc77c \ub2f4\uae08\uc9c8 \uacfc\uc815\uc5d0\uc11c \uc5f4\uc804\ub3c4\uc728\uc774 \ub0ae\uc740 \uc99d\uae30\ub9c9\uc774 D3\uac15 \uc8fc\uc704\uc5d0 \ud615\uc131\ub420 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774 \uc99d\uae30\ub9c9\uc740 \ub36e\uc778 \uc601\uc5ed\uc758 \ub0c9\uac01 \uc18d\ub3c4\ub97c \ub2a6\ucd94\uc5b4 \ud574\ub2f9 \uc601\uc5ed\uc5d0\uc11c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \ud615\uc131\uc744 \uc5b5\uc81c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud574\uacb0\ucc45\uc740 D3 \ub2f4\uae08\uc9c8 \uacfc\uc815 \uc911 \uc624\uc77c \uc695\uc870\ub97c \uad50\ubc18\ud558\uac70\ub098 D3\ub97c \uc774\ub3d9\uc2dc\ucf1c \uc99d\uae30\ub9c9\uc744 \ud30c\uad34\ud568\uc73c\ub85c\uc368 \uade0\uc77c\ud55c \uc5f4 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ucc28\uc6d0 \uc65c\uace1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uce58\uc218 \ubcc0\ud615\uc774\ub780 D3\uac15\uc774 \uc5f4\ucc98\ub9ac \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uce58\uc218 \ubcc0\ud654 \ub610\ub294 \ub4a4\ud2c0\ub9bc\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774\ub294 D3\uac15\uc774 \uc2ec\uacbd\ud654\uac15\uc774\uae30 \ub54c\ubb38\uc5d0 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uc5d0\uc11c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c\uc758 \uc0c1\ubcc0\ud658\uc73c\ub85c \uc778\ud574 \ubd80\ud53c\uac00 \ud33d\ucc3d\ud558\uace0, \ubd88\uade0\uc77c\ud55c \uac00\uc5f4 \ub610\ub294 \ub0c9\uac01\uc73c\ub85c \ubc1c\uc0dd\ud558\ub294 \uc5f4\uc751\ub825\uc774 \uc774\ub7ec\ud55c \ubcc0\ud615\uc744 \ub354\uc6b1 \uc545\ud654\uc2dc\ud0a4\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-\">\uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc740 \ub450 \uac00\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uccab\uc9f8, \uacf5\uad6c \ubc0f \uae08\ud615 \uc124\uacc4 \uc2dc \ub2e8\uba74 \ub300\uce6d\uc131\uc744 \ucd5c\ub300\ud55c \uc720\uc9c0\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ub458\uc9f8, D3 \ud669\uc0ad \uac00\uacf5 \ud6c4 \ub2f4\uae08\uc9c8 \uc804\uc5d0 \uc751\ub825 \uc644\ud654 \ucc98\ub9ac\ub97c \uc218\ud589\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uace0\uc628\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uade0\uc77c\ud55c \uc628\ub3c4 \ubd84\ud3ec\ub97c \ud655\ubcf4\ud558\uae30 \uc704\ud574 \ub2e8\uacc4\uc801 \uc608\uc5f4\uc744 \uc0ac\uc6a9\ud558\uace0, \ubcc0\ud615\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \uc218\uc9c1 \ub2f4\uae08\uc9c8\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4. \ub610\ud55c, \ub2f4\uae08\uc9c8 \ud6c4 \uc5f0\uc0ad\uc744 \uc704\ud55c \uac00\uacf5 \uc5ec\uc720\ub97c \ub450\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-1db8efa3 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\" style=\"border-left-color:var(--wp--preset--color--ast-global-color-0);padding-left:var(--wp--preset--spacing--30);flex-basis:66.66%\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-f814b1a5\"><h3 class=\"uagb-heading-text\">\uc548\uc815\uc801\uc778 D3 \uc5f4\ucc98\ub9ac\ub294 \uace0\ud488\uc9c8 \uacf5\uad6c\uac15\uc5d0\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4.<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\uad00\ub41c \uc5f4\ucc98\ub9ac \uacb0\uacfc\uc640 \ucd5c\uace0\uc758 \ub0b4\ub9c8\ubaa8\uc131\uc744 \ud655\ubcf4\ud558\uc138\uc694. \uc544\uc624\ubcf4 \uc2a4\ud2f8\uc740 UT D\/d \ub4f1\uae09\uc758 \ubb34\uacb0\uc131\uacfc 255 HB \ubbf8\ub9cc\uc758 \uc5b4\ub2d0\ub9c1 \uacbd\ub3c4\ub97c \uac16\ucd98 \ub2e8\uc870 D3(1.2080) \uac15\uc7ac\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. 20\ub144 \uc774\uc0c1\uc758 \uc804\ubb38\uc131\uc744 \ubc14\ud0d5\uc73c\ub85c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uace0\uc131\ub2a5 \ub0c9\uac04 \uac00\uacf5\uc6a9 \uac15\uc7ac\ub97c \uacf5\uc7a5 \uc9c1\uc1a1 \uac00\uaca9\uc73c\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-b507c051 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/ko\/d3-tool-steel\/\">D3 \uc18c\uc7ac \uc0ac\uc591 \ubcf4\uae30<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-b507c051 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\">D3 \uc18c\uc7ac\uc5d0 \ub300\ud55c \ube60\ub978 \ubb38\uc758<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faq\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1767427585549\"><strong class=\"schema-faq-question\">D3 \uacf5\uad6c\uac15\uc744 \uc5b4\ub5bb\uac8c \uc608\uc5f4\ud558\ub098\uc694?<\/strong> <p class=\"schema-faq-answer\">\uc5f4 \ucda9\uaca9\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 D3\ub294 \uc2e4\uc628\uc5d0\uc11c \ub9e4\uc6b0 \ucc9c\ucc9c\ud788 \uac00\uc5f4\ud574\uc57c \ud569\ub2c8\ub2e4. \ubd80\ud488\uc744 815\u00b0C(1500\u00b0F)\ub85c \uc608\uc5f4\ud558\uace0, \uacbd\ud654 \uc628\ub3c4\uae4c\uc9c0 \uc62c\ub9ac\uae30 \uc804\uc5d0 \uade0\uc77c\ud558\uac8c \uac00\uc5f4\ub420 \ub54c\uae4c\uc9c0 \ud574\ub2f9 \uc628\ub3c4\ub97c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1767427603716\"><strong class=\"schema-faq-question\">D3\uac15\uc758 \uacbd\ud654\uc628\ub3c4\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/strong> <p class=\"schema-faq-answer\">\uc6a9\uad11\ub85c\ub97c 925\u00b0C~980\u00b0C(1700\u00b0F~1795\u00b0F)\ub85c \uc608\uc5f4\ud558\uc2ed\uc2dc\uc624. \uc791\uc740 \uacf5\uc791\ubb3c\uc740 15\ubd84 \ub3d9\uc548 \uc720\uc9c0\ud574\uc57c \ud558\uba70, \ud070 \uacf5\uc791\ubb3c\uc740 \ucd5c\ub300 45\ubd84\uae4c\uc9c0 \uac78\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1767427606052\"><strong class=\"schema-faq-question\">D3 \uacf5\uad6c\uac15\uc740 \uc5b4\ub5bb\uac8c \ub2f4\uae08\uc9c8\ud574\uc57c \ud560\uae4c\uc694?<\/strong> <p class=\"schema-faq-answer\">D2\uc640 \ub2ec\ub9ac D3\ub294 \ucd5c\ub300 \uacbd\ub3c4\ub97c \uc5bb\uae30 \uc704\ud574 \ub530\ub73b\ud55c \uc624\uc77c\uc5d0 \ub2f4\uae08\uc9c8\ud574\uc57c \ud569\ub2c8\ub2e4. \ubd80\ud488\uc744 \uc624\uc77c \uc695\uc870\uc5d0 \ube60\ub974\uac8c \uc62e\uaca8 50\u00b0C~66\u00b0C(120\u00b0F~150\u00b0F)\uc5d0 \ub3c4\ub2ec\ud560 \ub54c\uae4c\uc9c0 \uac00\uc5f4\ud55c \ud6c4, \ub9cc\uc84c\uc744 \ub54c \uc544\uc9c1 \ub530\ub73b\ud560 \ub54c \uaebc\ub0b4\uc2ed\uc2dc\uc624.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1767427607004\"><strong class=\"schema-faq-question\">D3\uac15\uc758 \ub2f4\uae08\uc9c8 \uacf5\uc815\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong> <p class=\"schema-faq-answer\">\uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\ub824\uba74 \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 2\ub2e8\uacc4 \ud15c\ud37c\ub9c1 \uacf5\uc815\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ucd5c\uc18c 2\uc2dc\uac04(\ub450\uaed8 1\uc778\uce58\ub2f9 1\uc2dc\uac04) \ub3d9\uc548 \uac00\uc5f4\ud558\uace0, \uc2e4\uc628\uc73c\ub85c \uc2dd\ud78c \ub2e4\uc74c, \ub2e4\uc2dc \ub3d9\uc77c\ud55c \uc628\ub3c4\ub85c \uac00\uc5f4\ud558\uc2ed\uc2dc\uc624.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1767427607734\"><strong class=\"schema-faq-question\">D3 \uac15\ucca0\uc5d0 \uc5f0\ud55c \ubd80\ubd84\uc774 \uc0dd\uae30\ub294 \uc6d0\uc778\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong> <p class=\"schema-faq-answer\">\uc624\uc77c \ub2f4\uae08\uc9c8 \uacfc\uc815\uc5d0\uc11c \uc99d\uae30\ub9c9\uc774 \ud615\uc131\ub418\uc5b4 \ud2b9\uc815 \ubd80\uc704\uc758 \ub0c9\uac01 \uc18d\ub3c4\uac00 \ub290\ub824\uc9c0\uba74 \uc5f0\ud654\uc810\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub97c \ubc29\uc9c0\ud558\ub824\uba74 \uc624\uc77c\uc870\ub97c \uad50\ubc18\ud558\uac70\ub098 \ubd80\ud488\uc744 \uc6c0\uc9c1\uc5ec \uc99d\uae30\ub9c9\uc744 \ud30c\uad34\ud558\uace0 \uade0\uc77c\ud55c \uc5f4 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\uc2ed\uc2dc\uc624.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1767427647448\"><strong class=\"schema-faq-question\">D3\uac15\uc758 \ub2f4\uae08\uc9c8 \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694?<\/strong> <p class=\"schema-faq-answer\">\uc5f4 \ucda9\uaca9\uc744 \ucd5c\uc18c\ud654\ud558\uace0 \ub2f4\uae08\uc9c8 \ub9e4\uccb4\uc5d0\uc11c \ubd80\ud488 \uc628\ub3c4\uac00 50\u00b0C \uc774\ud558\ub85c \ub5a8\uc5b4\uc9c0\uc9c0 \uc54a\ub3c4\ub85d \uc801\uc808\ud55c \uc608\uc5f4\uc744 \uc2e4\uc2dc\ud558\uc2ed\uc2dc\uc624. \uac15\ucca0\uc774 \uc190\uc73c\ub85c \ub9cc\uc84c\uc744 \ub54c \ub530\ub73b\ud574\uc9c0\uba74 \uaebc\ub0b4\uc5b4 \uc989\uc2dc \uc608\uc5f4\ub41c \ud15c\ud37c\ub9c1\ub85c\uc5d0 \ub123\uc73c\uc2ed\uc2dc\uc624.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1767427672085\"><strong class=\"schema-faq-question\">D3\uac15\uc740 \uc5b4\ub290 \uc815\ub3c4\uc758 \uacbd\ub3c4\ub97c \ub0bc \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong> <p class=\"schema-faq-answer\">\ub2f4\uae08\uc9c8 \ud6c4 \uc608\uc0c1 \uacbd\ub3c4\ub294 \uc57d 64~66 HRC\uc785\ub2c8\ub2e4. \ud15c\ud37c\ub9c1 \ud6c4 \uacbd\ub3c4\ub294 150\u00b0C(300\u00b0F)\uc5d0\uc11c 65 HRC\uc5d0\uc11c 540\u00b0C(1000\u00b0F)\uc5d0\uc11c 52 HRC\uae4c\uc9c0 \ub2e4\uc591\ud569\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1767427684525\"><strong class=\"schema-faq-question\">D3 \uc5f4\ucc98\ub9ac \uc911 \ubc1c\uc0dd\ud558\ub294 \ubcc0\ud615\uc744 \uc904\uc774\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub098\uc694?<\/strong> <p class=\"schema-faq-answer\">\ud669\uc0ad \uac00\uacf5 \ud6c4 \uc751\ub825 \uc644\ud654 \ucc98\ub9ac\ub97c \uc2e4\uc2dc\ud558\uace0, \uade0\uc77c\ud55c \uc628\ub3c4 \ubd84\ud3ec\ub97c \uc704\ud574 \ub2e8\uacc4\uc801 \uc608\uc5f4\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ub610\ud55c, \uc218\uc9c1 \ub2f4\uae08\uc9c8\uc744 \uc801\uc6a9\ud558\uace0 \uacf5\uad6c \uc124\uacc4 \uc2dc \ub2e8\uba74 \ub300\uce6d\uc131\uc744 \uc720\uc9c0\ud558\uc5ec \ubcc0\ud615\uc744 \ucd5c\uc18c\ud654\ud558\uc2ed\uc2dc\uc624.<\/p> <\/div> <\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>This guide, compiled from professional resources and years of industry experience, covers the quenching and tempering procedures for machined components made from D3 tool steel. D3 is characterized by high wear resistance and deep hardening capability. Unlike air-cooled D2 steel, D3 steel requires oil quenching, a process that requires deformation and cracking to be avoided. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"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":"","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-11916","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>D3 Tool Steel Heat Treatment Guide - AoboSteel<\/title>\n<meta name=\"description\" content=\"Master the proper D3 tool steel heat treatment process. Learn why D3 requires oil quenching, proper austenitizing temps, and view the full tempering hardness chart (HRC).\" \/>\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\/d3-tool-steel-heat-treatment\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D3 Tool Steel Heat Treatment Guide\" \/>\n<meta property=\"og:description\" content=\"Master the proper D3 tool steel heat treatment process. 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Rapidly transfer the component to the oil bath until it reaches 50\u00b0C\u201366\u00b0C (120\u00b0F\u2013150\u00b0F), removing it while it is still warm to the touch.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427607004\",\"position\":4,\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427607004\",\"name\":\"What is the tempering process for D3 steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Use a two-step tempering process immediately after quenching to prevent cracking. Heat for at least 2 hours (or 1 hour per inch of thickness), cool to room temperature, and then reheat to the same temperature.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427607734\",\"position\":5,\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427607734\",\"name\":\"What causes soft spots on D3 steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Soft spots occur when a vapor film forms during oil quenching, slowing the cooling rate in specific areas. Prevent this by agitating the oil bath or moving the component to disrupt the film and ensure uniform heat transfer.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427647448\",\"position\":6,\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427647448\",\"name\":\"How can I prevent quench cracking in D3 steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ensure proper preheating to minimize thermal shock and avoid cooling the component below 50\u00b0C in the quenching medium. Remove the steel when it is hand-warm and place it immediately into a preheated tempering furnace.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427672085\",\"position\":7,\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427672085\",\"name\":\"What hardness can D3 steel achieve?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The expected hardness after quenching is approximately 64 to 66 HRC. After tempering, hardness ranges from 65 HRC at 150\u00b0C (300\u00b0F) down to 52 HRC at 540\u00b0C (1000\u00b0F).\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427684525\",\"position\":8,\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#faq-question-1767427684525\",\"name\":\"How do I reduce distortion during D3 heat treatment?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Perform stress relief treatment after rough machining and use graded preheating to ensure uniform temperature distribution. Additionally, use vertical quenching and maintain cross-sectional symmetry in the tool design to minimize warping.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"HowTo\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#howto-1\",\"name\":\"D3 Tool Steel Heat Treatment Guide\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#article\"},\"description\":\"This guide outlines the quenching and tempering procedures for machined components made from D3 tool steel.\",\"totalTime\":\"P1DT0H0M\",\"step\":[{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#how-to-step-1767429818980\",\"name\":\"Preheating\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Heat the component extremely slowly from room temperature to 815\u00b0C (1500\u00b0F) and hold at this temperature until the component is uniformly heated to avoid thermal shock and cracking.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#how-to-step-1767429882088\",\"name\":\"Austenitizing (Hardening)\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Heat the furnace to between 925\u00b0C and 980\u00b0C (1700\u00b0F to 1795\u00b0F) and soak small workpieces for 15 minutes or large workpieces for up to 45 minutes. To prevent decarburization, use a vacuum furnace or tightly wrap the steel in stainless steel foil or clean cast iron chips.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#how-to-step-1767429902815\",\"name\":\"Quenching\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Rapidly transfer the component to a warm oil bath and quench until the workpiece reaches 50\u00b0C to 66\u00b0C (120\u00b0F to 150\u00b0F), then remove the tool while it is still warm to the touch. Agitate the oil bath or move the component during this process to disrupt vapor films and prevent soft spots.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#how-to-step-1767429939481\",\"name\":\"Tempering (First Cycle)\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Immediately place the hand-warm component into a preheated tempering furnace to prevent cracking, heating it to between 150\u00b0C and 540\u00b0C (300\u00b0F and 1000\u00b0F) depending on desired hardness. Hold the temperature for 1 hour per inch (25 mm) of thickness, with a generally recommended minimum of 2 hours.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#how-to-step-1767429968273\",\"name\":\"Cooling\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Allow D3 tool steel to cool to room temperature to eliminate martensitic stresses formed during the first tempering stage.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/d3-tool-steel-heat-treatment\\\/#how-to-step-1767430035967\",\"name\":\"Tempering (Second Cycle)\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Reheat the tool to the same temperature used in the first cycle and hold for 1 hour per inch (25 mm) of thickness (minimum 2 hours) to transform retained austenite.\"}]}],\"inLanguage\":\"ko-KR\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"D3 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc - AoboSteel","description":"D3 \uacf5\uad6c\uac15\uc758 \uc62c\ubc14\ub978 \uc5f4\ucc98\ub9ac \uacf5\uc815\uc744 \uc775\ud788\uc138\uc694. 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Preheat the component to 815\u00b0C (1500\u00b0F) and hold there until it is uniformly heated before increasing to the hardening temperature.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427603716","position":2,"url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427603716","name":"D3\uac15\uc758 \uacbd\ud654\uc628\ub3c4\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Heat the furnace to between 925\u00b0C and 980\u00b0C (1700\u00b0F to 1795\u00b0F). Small workpieces require a 15-minute soak, while larger pieces may need up to 45 minutes.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427606052","position":3,"url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427606052","name":"D3 \uacf5\uad6c\uac15\uc740 \uc5b4\ub5bb\uac8c \ub2f4\uae08\uc9c8\ud574\uc57c \ud560\uae4c\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Unlike D2, D3 must be quenched in warm oil to achieve maximum hardness. Rapidly transfer the component to the oil bath until it reaches 50\u00b0C\u201366\u00b0C (120\u00b0F\u2013150\u00b0F), removing it while it is still warm to the touch.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427607004","position":4,"url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427607004","name":"D3\uac15\uc758 \ub2f4\uae08\uc9c8 \uacf5\uc815\uc740 \ubb34\uc5c7\uc778\uac00\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Use a two-step tempering process immediately after quenching to prevent cracking. Heat for at least 2 hours (or 1 hour per inch of thickness), cool to room temperature, and then reheat to the same temperature.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427607734","position":5,"url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427607734","name":"D3 \uac15\ucca0\uc5d0 \uc5f0\ud55c \ubd80\ubd84\uc774 \uc0dd\uae30\ub294 \uc6d0\uc778\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Soft spots occur when a vapor film forms during oil quenching, slowing the cooling rate in specific areas. Prevent this by agitating the oil bath or moving the component to disrupt the film and ensure uniform heat transfer.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427647448","position":6,"url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427647448","name":"D3\uac15\uc758 \ub2f4\uae08\uc9c8 \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ensure proper preheating to minimize thermal shock and avoid cooling the component below 50\u00b0C in the quenching medium. Remove the steel when it is hand-warm and place it immediately into a preheated tempering furnace.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427672085","position":7,"url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427672085","name":"D3\uac15\uc740 \uc5b4\ub290 \uc815\ub3c4\uc758 \uacbd\ub3c4\ub97c \ub0bc \uc218 \uc788\uc2b5\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The expected hardness after quenching is approximately 64 to 66 HRC. After tempering, hardness ranges from 65 HRC at 150\u00b0C (300\u00b0F) down to 52 HRC at 540\u00b0C (1000\u00b0F).","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427684525","position":8,"url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#faq-question-1767427684525","name":"D3 \uc5f4\ucc98\ub9ac \uc911 \ubc1c\uc0dd\ud558\ub294 \ubcc0\ud615\uc744 \uc904\uc774\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub098\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Perform stress relief treatment after rough machining and use graded preheating to ensure uniform temperature distribution. Additionally, use vertical quenching and maintain cross-sectional symmetry in the tool design to minimize warping.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"HowTo","@id":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#howto-1","name":"D3 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#article"},"description":"\uc774 \uac00\uc774\ub4dc\ub294 D3 \uacf5\uad6c\uac15\uc73c\ub85c \uc81c\uc791\ub41c \uac00\uacf5 \ubd80\ud488\uc758 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uc808\ucc28\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.","totalTime":"P1DT0H0M","step":[{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#how-to-step-1767429818980","name":"Preheating","itemListElement":[{"@type":"HowToDirection","text":"Heat the component extremely slowly from room temperature to 815\u00b0C (1500\u00b0F) and hold at this temperature until the component is uniformly heated to avoid thermal shock and cracking."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#how-to-step-1767429882088","name":"Austenitizing (Hardening)","itemListElement":[{"@type":"HowToDirection","text":"Heat the furnace to between 925\u00b0C and 980\u00b0C (1700\u00b0F to 1795\u00b0F) and soak small workpieces for 15 minutes or large workpieces for up to 45 minutes. To prevent decarburization, use a vacuum furnace or tightly wrap the steel in stainless steel foil or clean cast iron chips."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#how-to-step-1767429902815","name":"Quenching","itemListElement":[{"@type":"HowToDirection","text":"Rapidly transfer the component to a warm oil bath and quench until the workpiece reaches 50\u00b0C to 66\u00b0C (120\u00b0F to 150\u00b0F), then remove the tool while it is still warm to the touch. Agitate the oil bath or move the component during this process to disrupt vapor films and prevent soft spots."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#how-to-step-1767429939481","name":"Tempering (First Cycle)","itemListElement":[{"@type":"HowToDirection","text":"Immediately place the hand-warm component into a preheated tempering furnace to prevent cracking, heating it to between 150\u00b0C and 540\u00b0C (300\u00b0F and 1000\u00b0F) depending on desired hardness. Hold the temperature for 1 hour per inch (25 mm) of thickness, with a generally recommended minimum of 2 hours."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#how-to-step-1767429968273","name":"Cooling","itemListElement":[{"@type":"HowToDirection","text":"Allow D3 tool steel to cool to room temperature to eliminate martensitic stresses formed during the first tempering stage."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d3-tool-steel-heat-treatment\/#how-to-step-1767430035967","name":"Tempering (Second Cycle)","itemListElement":[{"@type":"HowToDirection","text":"Reheat the tool to the same temperature used in the first cycle and hold for 1 hour per inch (25 mm) of thickness (minimum 2 hours) to transform retained austenite."}]}],"inLanguage":"ko-KR"}]}},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"This guide, compiled from professional resources and years of industry experience, covers the quenching and tempering procedures for machined components made from D3 tool steel. D3 is characterized by high wear resistance and deep hardening capability. Unlike air-cooled D2 steel, D3 steel requires oil quenching, a process that requires deformation and cracking to be avoided.&hellip;","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"This guide, compiled from professional resources and years of industry experience, covers the quenching and tempering procedures for machined components made from D3 tool steel. D3 is characterized by high wear resistance and deep hardening capability. Unlike air-cooled D2 steel, D3 steel requires oil quenching, a process that requires deformation and cracking to be avoided.&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/11916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/comments?post=11916"}],"version-history":[{"count":0,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/11916\/revisions"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/media?parent=11916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}