{"id":9293,"date":"2025-08-01T16:08:32","date_gmt":"2025-08-01T08:08:32","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9293"},"modified":"2026-10-22T13:58:33","modified_gmt":"2026-10-22T05:58:33","slug":"440c-stainless-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/440c-stainless-steel\/","title":{"rendered":"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15(1.4125 \/ SUS440C) \uacf5\uae09\uc5c5\uccb4 | \uc6d0\ud615 \ubd09 \ubc0f \ud310\uc7ac \ub300\ub7c9 \uacf5\uae09"},"content":{"rendered":"<div class=\"wp-block-cover alignfull\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"632\" class=\"wp-block-cover__image-background wp-image-7233 size-full\" alt=\"Bulk tool steel bar stock in the Aobo Steel warehouse\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp 1920w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-300x99.webp 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-768x253.webp 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1536x506.webp 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-18x6.webp 18w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#4e4b40\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-fa80bdcf\"><h1 class=\"uagb-heading-text\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">440C \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 | 1.4125 | SUS440C<\/mark> \ub300\ub7c9 \uc8fc\ubb38 \uacf5\uae09\uc5c5\uccb4<\/h1><p class=\"uagb-desc-text\">1.4125 \/ SUS440C \uc6d0\ud615 \ubd09 \ubc0f \ud310\uc7ac | \ucd5c\uc18c \uc8fc\ubb38\ub7c9 5\ud1a4 | \uc218\ucd9c\uc6a9 \uacf5\uc7a5 \ucd9c\ud558 \uae38\uc774 2~5.5m<\/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 popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">\uc9c0\uae08 \ubc14\ub85c \ubb38\uc758\ud558\uc138\uc694<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-c40b4c7b alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<p class=\"wp-block-paragraph\">440C \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uac15\uc740 <a href=\"https:\/\/aobosteel.com\/ko\/cpm-440v-vs-440c-wear-and-toughness\/\">\uace0\ud0c4\uc18c, \uace0\ud06c\ub86c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uac15\uc785\ub2c8\ub2e4<\/a>.&nbsp;It belongs to the 400 series of stainless steels, which are generally magnetic.&nbsp;In the medical field, 440C steel is widely used for manufacturing surgical knives and other medical instruments. It is also used in industry to manufacture <a href=\"https:\/\/aobosteel.com\/ko\/mold-steel-crevice-corrosion\/\">\ub0b4\uc2dd\uc131 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uace0\ubb34 \uae08\ud615<\/a>.&nbsp;<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-f640db95 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 id=\"h-440c-stainless-steel-supply-overview\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\">440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uacf5\uae09 \uac1c\uc694<\/mark><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\ub4f1\uae09<\/td><td>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 | 1.4125 | SUS440C<\/td><\/tr><tr><td>\ubc30\uc1a1 \uc870\uac74<\/td><td>\uc644\uc804 \uc5f4\ucc98\ub9ac (\uac00\uacf5\uc5d0 \uc801\ud569\ud55c \uc5f0\uc9c8 \uc0c1\ud0dc)<\/td><\/tr><tr><td>\uacf5\uae09 \ud615\ud0dc<\/td><td>\uc6d0\ud615 \ubd09 \/ \ud3c9\ucca0 \/ \ud310\uc7ac \/ \ub2e8\uc870 \ube14\ub85d<\/td><\/tr><tr><td>\uc6d4\uac04 \uc0dd\uc0b0 \ub2a5\ub825<\/td><td>Approx. 1,200 metric tons<\/td><\/tr><tr><td>\uad8c\uc7a5 \uc218\ucd9c\ub7c9<\/td><td>20GP \ucee8\ud14c\uc774\ub108 \uac00\ub4dd (~26\ud1a4)<\/td><\/tr><tr><td>MOQ<\/td><td>5\ud1a4<\/td><\/tr><tr><td>\ub9ac\ub4dc \ud0c0\uc784 (\uc8fc\uad34 \uc7ac\uace0 \ud3ec\ud568)<\/td><td>\uc57d 20\uc77c<\/td><\/tr><tr><td>\ub9ac\ub4dc \ud0c0\uc784(\uc2e0\uc120 \uc6a9\uc735)<\/td><td>30~45\uc77c<\/td><\/tr><tr><td>\ub9ac\ub4dc \ud0c0\uc784(ESR \ub4f1\uae09)<\/td><td>\uc57d 60\uc77c<\/td><\/tr><tr><td>\uc810\uac80<\/td><td>\uc0ac\ub0b4 \ucd08\uc74c\ud30c \ud0d0\uc0c1\ud300 \uc6b4\uc601 \ubc0f \uc81c3\uc790 \uac80\uc0ac \uac00\ub2a5<\/td><\/tr><tr><td>\uc120\uc801 \uc11c\ub958 \ube44\uce58<\/td><td>MTC(EN 10204 3.1) + UT \ubcf4\uace0\uc11c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-why-global-distributors-source-440c-from-aobo-steel\" class=\"wp-block-heading\">\uae00\ub85c\ubc8c \uc720\ud1b5\uc5c5\uccb4\ub4e4\uc774 \uc544\uc624\ubcf4 \uc2a4\ud2f8\uc5d0\uc11c 440C\ub97c \uacf5\uae09\ubc1b\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694?<\/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 1,200 tons<\/li>\n\n\n\n<li>\ub3c4\ub9e4 \uc8fc\ubb38 \ucd5c\uc18c \uc8fc\ubb38\ub7c9(MOQ)\uc740 5\ud1a4\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ucee8\ud14c\uc774\ub108\uc5d0 \ucd5c\uc801\ud654\ub41c \ubd09\uac15 \ubc0f \ud310\uc7ac \uae38\uc774<\/li>\n\n\n\n<li>\uc218\ucd9c \uc801\uc7ac \uc2dc \ub2e4\uc591\ud55c \ud06c\uae30\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud6c4\uc18d \uac00\uacf5\uc744 \uc704\ud55c \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \uc81c\ud488 \uacf5\uae09<\/li>\n\n\n\n<li>\ud1b5\ud569 \uacf5\uae09\ub9dd \ud30c\ud2b8\ub108\ub97c \ud1b5\ud55c \uc548\uc815\uc801\uc778 \uacf5\uae09<\/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 \uac80\uc0ac\ub294 1921-82\ub144 9\uc6d4\uae4c\uc9c0 D\/d \ub610\ub294 E\/e\ub85c \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uac01 \ucd9c\ud558 \uac74\uc5d0 \ub300\ud55c MTC \ubc0f \ubc30\uce58 \ucd94\uc801 \uae30\ub2a5 \uc81c\uacf5<\/li>\n\n\n\n<li>\uc8fc\ubb38 \uad00\ub9ac\ub97c \uc704\ud55c \ud788\ud2b8 \uc218 \ucd94\uc801<\/li>\n\n\n\n<li>\uac80\uc815\uc0c9, \uc120\uc0ad \uac00\uacf5, \uad11\ud0dd \ucc98\ub9ac\ub41c \ud45c\uba74 \uc635\uc158<\/li>\n\n\n\n<li>\ud574\uc0c1 \uc6b4\uc1a1\uc6a9 \ub300\ub7c9 \uc218\ucd9c \ud3ec\uc7a5<\/li>\n\n\n\n<li>\ub300\ub7c9 \uacf5\uae09 \uc804\uc6a9 \ud398\uc774\uc9c0\ub85c\uc758 \uba85\ud655\ud55c \uc804\ud658 \uacbd\ub85c<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-434c7447 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-b8bc3b23\">\n<h2 class=\"wp-block-heading has-text-align-left has-large-font-size\" id=\"h-stable-production-for-long-term-bulk-supply\">\uc7a5\uae30 \ub300\ub7c9 \uacf5\uae09\uc744 \uc704\ud55c \uc548\uc815\uc801\uc778 \uc0dd\uc0b0<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc7ac\uace0 \ubcf4\ucda9\uc744 \uc704\ud55c \uc5f0\uc18d \uc0dd\uc0b0 \uc8fc\uae30<\/li>\n\n\n\n<li>ESR(\uc804\uae30 \uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735)\uc740 \uc694\uccad \uc2dc \uc774\uc6a9 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc548\uc815\uc801\uc778 \ud569\uae08 \uacf5\uae09\ub9dd \ud655\ubcf4\ub97c \ud1b5\ud574 \uacf5\uae09 \uc911\ub2e8 \uc704\ud5d8 \uac10\uc18c<\/li>\n\n\n\n<li>\ucd5c\ucd08 \uc81c\uc870 \ubc88\ud638\uc640 \uc5f0\ub3d9\ub41c \uc804\uccb4 \ubc30\uce58 \ucd94\uc801 \uc2dc\uc2a4\ud15c<\/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 popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">\ub300\ub7c9 \uacac\uc801\uc744 \uc694\uccad\ud558\uc138\uc694<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-3dfb5298\">\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><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-122c03a6 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 id=\"h-available-440c-stainless-steel-forms\" class=\"wp-block-heading\">440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc7ac\uc9c8\uc758 \ud3fc\uc744 \uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"206\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-1024x206.avif\" alt=\"\" class=\"wp-image-13355\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-1024x206.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-300x60.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-768x155.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-18x4.avif 18w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd.avif 1385w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-682a18af alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-cba2949c\">\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-uagb-container uagb-block-cf834837\">\n<h2 id=\"h-quality-control-for-bulk-orders\" class=\"wp-block-heading has-large-font-size\">\ub300\ub7c9 \uc8fc\ubb38\uc5d0 \ub300\ud55c \ud488\uc9c8 \uad00\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\uc624\ubcf4 \uc2a4\ud2f8\uc5d0\uc11c \uacf5\uae09\ud558\ub294 \ubaa8\ub4e0 \uacf5\uad6c\uac15\uc740 \ucd9c\ud558 \uc804\uc5d0 \ub4f1\uae09 \uc815\ud655\uc131, \ub0b4\ubd80 \uac74\uc804\uc131 \ubc0f \ub300\ub7c9 \uc8fc\ubb38\uc5d0 \ub300\ud55c \ucd94\uc801\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uac80\uc99d\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubd84\uad11\uacc4\ub97c \ud1b5\ud574 \ud654\ud559\uc801 \uc870\uc131\uc774 \ud655\uc778\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ucd08\uc74c\ud30c \uac80\uc0ac \uac00\ub2a5 (1921-82\ub144 9\uc6d4)<\/li>\n\n\n\n<li>\uad6c\ud615\ud654 \uc5f4\ucc98\ub9ac\ub41c \uc0c1\ud0dc\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc5f4\ucc98\ub9ac \ubc88\ud638\uac00 \ud3ec\ud568\ub41c \uacf5\uc7a5 \uc2dc\ud5d8 \uc131\uc801\uc11c(EN 10204 3.1)<\/li>\n\n\n\n<li>\ucd9c\ud558 \uc804 \uce58\uc218 \ubc0f \ud45c\uba74 \uac80\uc0ac<\/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 popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">440C \ub300\ub7c9 \uacf5\uae09 \uacac\uc801 \ubc1b\uae30<\/a><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-0226a4d4 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-66b1055b\">\n<h2 id=\"h-export-packaging-and-container-loading\" class=\"wp-block-heading has-large-font-size\">\uc218\ucd9c \ud3ec\uc7a5 \ubc0f \ucee8\ud14c\uc774\ub108 \uc801\uc7ac<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc804\ubb38\uc801\uc778 \ud574\uc0c1 \uc6b4\uc1a1\uc6a9 \uc218\ucd9c \ud3ec\uc7a5<\/li>\n\n\n\n<li>20GP \ucee8\ud14c\uc774\ub108\uc120 \uc801\uc7ac \ucd5c\uc801\ud654: \ucd5c\ub300 \uc57d 26\ud1a4<\/li>\n\n\n\n<li>\ub2e4\uc591\ud55c \ud559\ub144\uacfc \ub2e4\uc591\ud55c \ud06c\uae30\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc7a5\uae30\uac04 \ud574\uc0c1 \uc6b4\uc1a1 \uc911 \ub179 \ubc29\uc9c0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-\">\uad6d\uc81c \uc6b4\uc1a1\uc758 \uacbd\uc6b0, \ube44\uc6a9 \ud6a8\uc728\uc131\uacfc \uc6d0\ud65c\ud55c \ud1b5\uad00 \uc808\ucc28\ub97c \uc704\ud574 \ucee8\ud14c\uc774\ub108 \uc804\uccb4 \uc801\uc7ac\ub97c \uac15\ub825\ud788 \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/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 popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">\ucee8\ud14c\uc774\ub108 \uc804\uccb4 \uc801\uc7ac(FCL) \uacac\uc801\uc744 \ubc1b\uc544\ubcf4\uc138\uc694<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-52d8f3b6\">\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><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"1-eael-table-of-content\" class=\"wp-block-heading\">1. \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc808\uc0ad \uacf5\uad6c<\/li>\n\n\n\n<li>\ubb38\uc7a5&nbsp;<\/li>\n\n\n\n<li>\ud50c\ub77c\uc2a4\ud2f1 \uae08\ud615 \uc7ac\ub8cc<\/li>\n\n\n\n<li>\ubc38\ube0c \ubd80\ud488<\/li>\n\n\n\n<li>\uae30\uc5b4, \ucd95, \ucea0<\/li>\n\n\n\n<li>\uc218\uc220 \ubc0f \uce58\uacfc \uae30\uad6c<\/li>\n\n\n\n<li>\uc2a4\ud504\ub9c1\uc2a4<\/li>\n\n\n\n<li>\uc758\ub8cc \uc751\uc6a9 \ubd84\uc57c<\/li>\n\n\n\n<li>\ub0b4\ub9c8\ubaa8\uc131 \uc751\uc6a9 \ubd84\uc57c<\/li>\n\n\n\n<li>\uc790\ub3d9\ucc28 \uc0b0\uc5c5<\/li>\n\n\n\n<li>\ud558\ub4dc\uc6e8\uc5b4<\/li>\n<\/ul>\n\n\n\n<h2 id=\"2-eael-table-of-content\" class=\"wp-block-heading\">2. 440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uad6c\uc131<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Carbon (C)<\/td><td>\ud06c\ub86c (Cr)<\/td><td>\ub9dd\uac04 (Mn)<\/td><td>\uaddc\uc18c (Si)<\/td><td>\ubab0\ub9ac\ube0c\ub374 (Mo)<\/td><td>\uc778(P)<\/td><td>\ud669(S)<\/td><\/tr><tr><td>0.95 \u2013 1.20<\/td><td>16.0 \u2013 18.0<\/td><td>\ucd5c\ub300 1.00<\/td><td>\ucd5c\ub300 1.00<\/td><td>\ucd5c\ub300 0.75<\/td><td>\ucd5c\ub300 0.040<\/td><td>\ucd5c\ub300 0.030<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"3-eael-table-of-content\" class=\"wp-block-heading\">3. 440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ud2b9\uc131<\/h2>\n\n\n\n<h3 id=\"h-3-1-mechanical-properties\" class=\"wp-block-heading\">3.1 \uae30\uacc4\uc801 \ud2b9\uc131<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uc870\uac74\/\uc720\ud615<\/th><th>\uc778\uc7a5 \uac15\ub3c4 (ksi\/MPa)<\/th><th>\ud56d\ubcf5\uac15\ub3c4(0.2% \uc624\ud504\uc14b)(ksi\/MPa)<\/th><th>2\uc778\uce58\/50mm(%)\uc5d0\uc11c\uc758 \uc2e0\uc7a5\ub960<\/th><\/tr><tr><td><strong>\uc5b4\ub2d0\ub9c1\ub41c<\/strong><\/td><td>110ksi(758MPa)(\ubc14\uc758 \uacbd\uc6b0 \ucd5c\uc18c 110ksi\/758MPa)<\/td><td>65ksi(448MPa)(\ubc14\uc758 \uacbd\uc6b0 \ucd5c\uc18c 65ksi\/448MPa)<\/td><td>14% (\ubc14\uc758 \uacbd\uc6b0 \ucd5c\uc18c 14%)<\/td><\/tr><tr><td><strong>\uc5f4\ucc98\ub9ac\/\uacbd\ud654<\/strong><\/td><td>285ksi (1965MPa)<\/td><td>275ksi (1896MPa)<\/td><td>2%<\/td><\/tr><tr><td><strong>\ucf5c\ub4dc \ud53c\ub2c8\uc2dc\ub4dc \ubc14<\/strong><\/td><td>\ucd5c\uc18c 125ksi (862MPa)<\/td><td>\ucd5c\uc18c 100ksi (689MPa)<\/td><td>\ucd5c\uc18c 7%<\/td><\/tr><tr><td><strong>\uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \uc640\uc774\uc5b4<\/strong><\/td><td>\ucd5c\uc18c 140ksi (965MPa)<\/td><td>\u2013<\/td><td>\ucd5c\uc18c 13%<\/td><\/tr><tr><td><strong>\ub0c9\uac04 \ud5e4\ub529 \uc640\uc774\uc5b4<\/strong><\/td><td>\uc77c\ubc18\uc801\uc778 \uc555\ub825\uc740 110ksi(760MPa)\uc785\ub2c8\ub2e4.<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td><strong>\uac00\ubccd\uac8c \ub4dc\ub798\ud504\ud2b8\ub41c \uc640\uc774\uc5b4<\/strong><\/td><td>\uc77c\ubc18\uc801\uc778 \uc555\ub825\uc740 120ksi(830MPa)\uc785\ub2c8\ub2e4.<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td><strong>MIM(\uae08\uc18d \uc0ac\ucd9c \uc131\ud615) 440C<\/strong><\/td><td>876 MPa (\uc5f4\ucc98\ub9ac \ud6c4)<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"h-3-2-physical-amp-thermal-properties\" class=\"wp-block-heading\">3.2 \ubb3c\ub9ac\uc801 \ubc0f \uc5f4\uc801 \ud2b9\uc131<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uc131\uc9c8<\/th><th>\uac12<\/th><\/tr><tr><td><strong>\uc778\uc131(\uc5f4\ucc98\ub9ac)<\/strong><\/td><td>5 \ud53c\ud2b8-\ud30c\uc6b4\ub4dc<\/td><\/tr><tr><td><strong>\ud0c4\uc131\uacc4\uc218<\/strong><\/td><td>29 x 10^6 psi (\uc57d 200 GPa)<\/td><\/tr><tr><td><strong>\ube44\uc5f4 (32-212\u00b0F)<\/strong><\/td><td>0.11 Btu\/lb\u00b7\u00b0F<\/td><\/tr><tr><td><strong>\ubc00\ub3c4<\/strong><\/td><td>\uc57d 0.29 lb\/in^3 (8.02 g\/cm^3)<\/td><\/tr><tr><td><strong>\uc5f4\uc804\ub3c4\uc728(20\u00b0C)<\/strong><\/td><td>29.3 W\/(m\u00b7K)<\/td><\/tr><tr><td><strong>\uc120\ud615 \uc5f4\ud33d\ucc3d \uacc4\uc218<\/strong><\/td><td>\uc57d 10.5 x 10^-6 K^-1 (\ubc94\uc704: 20-100\u00b0C, 20-200\u00b0C, 20-300\u00b0C, 20-500\u00b0C)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-columns has-ast-global-color-8-background-color has-background 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 alignfull size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1862\" height=\"1862\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C.avif\" alt=\"\" class=\"wp-image-14785\" 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\/04\/440C.avif 1862w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-1024x1024.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-768x768.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-1536x1536.avif 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/04\/440C-12x12.avif 12w\" sizes=\"auto, (max-width: 1862px) 100vw, 1862px\" \/><figcaption class=\"wp-element-caption\">440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-ast-global-color-0-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\"><strong>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc5d0 \uad00\uc2ec \uc788\uc73c\uc2e0\uac00\uc694?<\/strong> <strong>\uc9c0\uae08 \ubc14\ub85c \uc5f0\ub77d\ud558\uc2dc\ub824\uba74 \uc544\ub798 \uc591\uc2dd\uc744 \uc791\uc131\ud574 \uc8fc\uc138\uc694!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\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=\"\/ko\/wp-json\/wp\/v2\/pages\/9293#wpcf7-f16042-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\ubb38\uc758 \uc591\uc2dd\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/ko\/wp-json\/wp\/v2\/pages\/9293#wpcf7-f16042-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16042\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.2.3\" \/><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=\"\uc774\ub984 *\" 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=\"\uc774\uba54\uc77c *\" 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\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"\uba54\uc2dc\uc9c0 *\" name=\"your-message\"><\/textarea><\/span>\n<\/p>\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"\ubb38\uc758 \ubcf4\ub0b4\uae30\" \/>\n<\/p><p style=\"display: none !important;\" class=\"akismet-fields-container\" data-prefix=\"_wpcf7_ak_\"><label>\u0394<textarea name=\"_wpcf7_ak_hp_textarea\" cols=\"45\" rows=\"8\" maxlength=\"100\"><\/textarea><\/label><input type=\"hidden\" id=\"ak_js_1\" name=\"_wpcf7_ak_js\" value=\"91\"\/><script>\ndocument.getElementById( \"ak_js_1\" ).setAttribute( \"value\", ( new Date() ).getTime() );\n<\/script>\n<\/p><input type='hidden' class='wpcf7-pum' value='{\"closepopup\":false,\"closedelay\":0,\"openpopup\":true,\"openpopup_id\":16052}' \/><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"ko\"\/><\/form>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 id=\"4-eael-table-of-content\" class=\"wp-block-heading\">4. \uc5f4\ucc98\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\ub978 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c 440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc5f4\ucc98\ub9ac\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uacf5\uc815\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.,&nbsp;<em>\ub2f4\uae08\uc9c8<\/em>, \uadf8\ub9ac\uace0 \uc5f4\ucc98\ub9ac \uacfc\uc815\uc744 \uac70\uce69\ub2c8\ub2e4. \uc774 \uacf5\uc815\uc758 \ubaa9\uc801\uc740 \uac15\ucca0\uc744 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \ubbf8\uc138\uad6c\uc870\ub85c \ubcc0\ud658\ud55c \ub2e4\uc74c, \uc5f4\ucc98\ub9ac\ub97c \ud1b5\ud574 \uacbd\ub3c4, \uac15\ub3c4, \uc5f0\uc131 \ubc0f \ub0b4\uc2dd\uc131\uc758 \uade0\ud615\uc744 \ucd5c\uc801\ud654\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<h3 id=\"5-eael-table-of-content\" class=\"wp-block-heading\">4.1 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654(\uacbd\ud654)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\ub294 925~1065\u00b0C(1700~1950\u00b0F)\uc785\ub2c8\ub2e4. \ub2f9\uc0ac\ub294 \ucd5c\uc0c1\uc758 \uacbd\ub3c4\uc640 \ub0b4\uc2dd\uc131\uc744 \uc81c\uacf5\ud558\ub294 1038\u00b0C(1900\u00b0F)\ub97c \uad8c\uc7a5\ud569\ub2c8\ub2e4. \ub610\ud55c, \uae09\uc18d \uac00\uc5f4 \ub610\ub294 \ub2f4\uae08\uc9c8 \uc911 \ub192\uc740 \uc628\ub3c4 \uad6c\ubc30\ub85c \uc778\ud55c \ubcc0\ud615, \ub4a4\ud2c0\ub9bc \ub610\ub294 \uade0\uc5f4\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \uc774 \ub2e8\uacc4 \uc804\uc5d0 \uc7ac\ub8cc\ub97c 650\u00b0C(1200\u00b0F)\ub85c \uc608\uc5f4\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \ud0c4\ud654\ubb3c\uc774 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uc5d0 \uc6a9\ud574\ub420 \uc218 \uc788\ub3c4\ub85d \ucda9\ubd84\ud55c \uc720\uc9c0 \uc2dc\uac04\uc744 \ud655\ubcf4\ud574\uc57c \ud569\ub2c8\ub2e4. \ud06c\ub86c\uc758 \uc874\uc7ac\ub85c \uc778\ud574 \uc774 \uacfc\uc815\uc740 \uc77c\ubc18 \ud0c4\uc18c\uac15\ubcf4\ub2e4 \ub290\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"6-eael-table-of-content\" class=\"wp-block-heading\">4.2 \ub2f4\uae08\uc9c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \ucc98\ub9ac \ud6c4, 440C \uac15\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uacf5\uae30 \ub610\ub294 \uc624\uc77c \ub2f4\uae08\uc9c8\uc744 \ud569\ub2c8\ub2e4. 1038\u00b0C(1900\u00b0F) \ub610\ub294 1040\u00b0C(1900\u00b0F)\uc640 \uac19\uc740 \uc628\ub3c4\uc5d0\uc11c \uc624\uc77c \ub2f4\uae08\uc9c8\uc744 \ud558\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \ud6c4, \uac15\uc740 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub77c\ub294 \ub2e8\ub2e8\ud558\uc9c0\ub9cc \ucde8\uc131\uc774 \uc788\ub294 \uad6c\uc870\ub85c \ubcc0\ud0dc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"7-eael-table-of-content\" class=\"wp-block-heading\">4.3 \ud15c\ud37c\ub9c1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f4\uae08\uc9c8 \ub2e4\uc74c \ub2e8\uacc4\ub294 \ud15c\ud37c\ub9c1\uc73c\ub85c, \uacbd\ub3c4\ub97c \ub0ae\ucd94\uace0 \uc778\uc131\uacfc \uc5f0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uba70 \ub0b4\ubd80 \uc751\ub825\uc744 \uc644\ud654\ud558\ub294 \uac83\uc744 \ubaa9\ud45c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f4\uae08\uc9c8 \uc628\ub3c4\ub294&nbsp;<strong>\ud654\uc528 392\ub3c4\uc5d0\uc11c 662\ub3c4 (\uc12d\uc528 200\ub3c4\uc5d0\uc11c 350\ub3c4)<\/strong>. \uc5f4\ucc98\ub9ac \uc628\ub3c4\uac00 \ub2e4\ub974\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uacbd\ub3c4\uac00 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\uc628\ub3c4 (\u00b0C)<\/td><td>\uc628\ub3c4(\u00b0F)<\/td><td>\uacbd\ub3c4(HRC)<\/td><\/tr><tr><td>150<\/td><td>300<\/td><td>60<\/td><\/tr><tr><td>315<\/td><td>600<\/td><td>57<\/td><\/tr><tr><td>425<\/td><td>800<\/td><td>58<\/td><\/tr><tr><td>480<\/td><td>900<\/td><td>57<\/td><\/tr><tr><td>540<\/td><td>1000<\/td><td>55<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubc0f \uc774\uc640 \uc720\uc0ac\ud55c \uace0\ud0c4\uc18c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 427\u00b0C~566\u00b0C(800\u00b0F~1050\u00b0F) \ubc94\uc704\uc5d0\uc11c \ud15c\ud37c\ub9c1\ud558\uba74 \ud15c\ud37c\ub9c1 \ucde8\uc131\uc774 \ubc1c\uc0dd\ud558\uace0 \ucda9\uaca9 \uac15\ub3c4 \ubc0f \ub0b4\uc2dd\uc131\uc774 \uc800\ud558\ub41c\ub2e4\ub294 \uc810\uc5d0 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.<br>\uc778\uc131 \ud5a5\uc0c1\uc744 \uc704\ud574 \uc55e\uc11c \uc5b8\uae09\ud55c \uc628\ub3c4 \ubc94\uc704\ub97c \ubc97\uc5b4\ub09c \uc5f4\ucc98\ub9ac\uac00 \ud544\uc694\ud55c \uacbd\uc6b0, 593\u00b0C(1100\u00b0F) \uc774\uc0c1\uc758 \uc628\ub3c4\uc5d0\uc11c \uc5f4\ucc98\ub9ac\ud558\ub294 \uac83\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. \uc774 \uc628\ub3c4\uc5d0\uc11c \uc5f4\ucc98\ub9ac\ud558\uba74 \ucda9\uaca9 \uac15\ub3c4\uc640 \ub0b4\uc2dd\uc131\uc774 \ud5a5\uc0c1\ub418\uc9c0\ub9cc \uacbd\ub3c4\ub294 \ub2e4\uc18c \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"8-eael-table-of-content\" class=\"wp-block-heading\">4.4 440C \uac15\ucca0 \uc5f4\ucc98\ub9ac \uc2dc \ud2b9\ubcc4 \uace0\ub824 \uc0ac\ud56d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc608\uc5f4:<\/strong>&nbsp;\ubcf8 \uacbd\ud654(\uc624\uc2a4\ud14c\ub098\uc774\uc9d5) \uacf5\uc815 \uc804\uc5d0 440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \uc57d 650\u00b0C(1200\u00b0F)\uae4c\uc9c0 \uc608\uc5f4\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ubcf4\ub2e4 \uade0\uc77c\ud55c \uc628\ub3c4 \ubd84\ud3ec\ub97c \ud655\ubcf4\ud558\uace0 \ud6c4\uc18d \uc624\uc2a4\ud14c\ub098\uc774\uc9d5 \ub2e8\uacc4\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc5f4 \ucda9\uaca9\uc744 \ucd5c\uc18c\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub2e8\uc870 \ud6c4 \uc11c\uc11c\ud788 \ub0c9\uac01\ud558\uae30:<\/strong>&nbsp;440C\uc640 \uac19\uc740 \uace0\ud0c4\uc18c\uac15\uc758 \uacbd\uc6b0, \ub2e8\uc870 \ud6c4 \uc11c\uc11c\ud788 \ub0c9\uac01\ud558\uac70\ub098 \uac04\ud5d0\uc801\uc73c\ub85c \ub0c9\uac01\ud558\ub294 \ubc29\uc2dd\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. \uac04\ud5d0\uc801 \ub0c9\uac01\uc740 150~250\u00b0C\uae4c\uc9c0 \ub0c9\uac01\ud55c \ud6c4 \uc57d 650\u00b0C\uae4c\uc9c0 \uc7ac\uac00\uc5f4\ud558\uace0 \ucd5c\uc885 \ub0c9\uac01\ud558\ub294 \uacfc\uc815\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc29\uc2dd\uc740 \uade0\uc5f4 \ubc1c\uc0dd \ubc0f \uacb0\uc815\ub9bd\uacc4 \ud0c4\ud654\ubb3c \ud615\uc131\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uad00\ub9ac:<\/strong>&nbsp;\ub2f4\uae08\uc9c8\ub41c 440C \uac15\uc740 \ub54c\ub54c\ub85c \uc0c1\ub2f9\ub7c9\uc758 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8(\ubd80\ud53c \uae30\uc900\uc73c\ub85c 20~30%)\ub97c \ud568\uc720\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \uc81c\uac70\ud558\uc9c0 \uc54a\uc73c\uba74 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uc790\uc5f0 \ubcc0\ud0dc\uac00 \uc77c\uc5b4\ub098 \uce58\uc218 \ubcc0\ud654 \ubc0f \uade0\uc5f4 \ubc1c\uc0dd \uc704\ud5d8 \uc99d\uac00\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \ud6c4 \uc601\ud558\uc758 \uc628\ub3c4\uc5d0\uc11c \ub0c9\uac04 \ucc98\ub9ac\ub97c \ud558\uba74 \uc774 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \ubbf8\ud15c\ud37c\ub9c1 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \ud6a8\uacfc\uc801\uc73c\ub85c \ubcc0\ud0dc\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub0c9\uac04 \ucc98\ub9ac \ud6c4\uc5d0\ub294 \uc0c8\ub85c \ud615\uc131\ub41c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub97c \ud15c\ud37c\ub9c1\ud558\uace0 \ub0b4\ubd80 \uc751\ub825\uc744 \uc644\ud654\ud558\uae30 \uc704\ud574 \ucd5c\uc18c \ud55c \ubc88\uc758 \ud45c\uc900 \ud15c\ud37c\ub9c1 \uacf5\uc815\uc744 \uac70\uccd0\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac(PWHT):<\/strong>&nbsp;\uc6a9\uc811\ub41c 440C \ubd80\ud488\uc758 \uacbd\uc6b0, \uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac(PWHT)\ub294 \uac70\uc758 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \ucc98\ub9ac\ub294 \uc6a9\uc811\ubd80\uc640 \uc5f4\uc601\ud5a5\ubd80\uc5d0 \ud615\uc131\ub41c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub97c \ud15c\ud37c\ub9c1\ud558\uace0 \uc794\ub958 \uc751\ub825\uc744 \uc644\ud654\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. 440C\uc758 PWHT \uc628\ub3c4 \ubc94\uc704\ub294 480\u00b0C ~ 750\u00b0C(895\u00b0F ~ 1380\u00b0F)\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"9-eael-table-of-content\" class=\"wp-block-heading\">5. \ub3d9\ub4f1 \ub4f1\uae09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DIN EN (\uc720\ub7fd):<\/strong>&nbsp;1.4125 (X105CrMo17)<\/li>\n\n\n\n<li><strong>JIS(\uc77c\ubcf8):<\/strong>&nbsp;SUS440C<\/li>\n\n\n\n<li><strong>ISO:<\/strong>&nbsp;X105CrMo17<\/li>\n\n\n\n<li><strong>GB(\uc911\uad6d):<\/strong>&nbsp;<em>9Cr18Mo<\/em>&nbsp;\ub610\ub294&nbsp;<em><a href=\"https:\/\/aobosteel.com\/ko\/95cr18-stainless-steel-3\/\">95Cr18<\/a><\/em><\/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 popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">440C \ub300\ub7c9 \uacac\uc801 \uc694\uccad<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<style id=\"aobo-hero-legibility\">\n\/* aobo product hero - copy sits on the photo, left side graded, right side\n   left at its own brightness. 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It is also used in industry to manufacture corrosion-resistant plastic and rubber molds.&nbsp; 440C Stainless Steel Supply [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14803,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":"[]"},"class_list":["post-9293","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>440C Stainless Steel (1.4125 \/ SUS440C) Supplier | Round Bar &amp; Plate Bulk Supply<\/title>\n<meta name=\"description\" content=\"Supply 440C stainless steel (1.4125 \/ SUS440C) in round bar and plate. 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