{"id":9452,"date":"2025-08-03T17:26:33","date_gmt":"2025-08-03T09:26:33","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9452"},"modified":"2026-10-14T13:18:40","modified_gmt":"2026-10-14T05:18:40","slug":"o1-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/o1-tool-steel\/","title":{"rendered":"O1 \uacf5\uad6c\uac15 | 1.2510 | SKS3"},"content":{"rendered":"<style id=\"aobo-steel-rebuild\" data-noptimize=\"1\">\n\/* Rebuilt tool-steel page: banner is full-bleed, the body keeps the site's normal\n   content width. All layout rules live in this page, so a missing external\n   stylesheet can no longer collapse the page. *\/\n.ads2 *, .ads2 *::before, .ads2 *::after { box-sizing: border-box; }\n.ads2 { font-size: 16px; line-height: 1.75; color: #2b2b2b; }\n.ads2-hero { position: relative; width: 100vw !important; max-width: 100vw !important;\n  margin-left: calc(50% - 50vw) !important; margin-right: 0 !important;\n  min-height: 430px; display: flex; align-items: center; overflow: hidden; background: #1d1d1d; }\n.ads2-hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }\n.ads2-hero-ov { position: absolute; inset: 0; background: #4e4b40; opacity: .5; }\n.ads2-hero-scrim { position: absolute; inset: 0;\n  background: linear-gradient(90deg, rgba(0,0,0,.42) 0%, rgba(0,0,0,.32) 45%, rgba(0,0,0,.16) 78%, rgba(0,0,0,.04) 100%); }\n.ads2-hero-in { position: relative; width: 100%; max-width: 1200px; margin: 0 auto; padding: 56px 24px; color: #fff; }\n.ads2-crumb, .ads2-crumb a, .ads2-crumb h6, .ads2-crumb mark { color: #dfe6ef !important; font-size: 13px;\n  text-decoration: none; letter-spacing: .2px; }\n.ads2-crumb h6 { display: inline; font-weight: 400; margin: 0; }\n.ads2-crumb a:hover { color: #fff !important; text-decoration: underline; }\n.ads2-tag { margin: 10px 0 6px; color: #eef1f5 !important; font-size: 14px; text-shadow: 0 1px 6px rgba(0,0,0,.8); }\n.ads2-h1 { margin: 0 0 12px; font-size: 40px; line-height: 1.2; font-weight: 800; color: #fff !important;\n  letter-spacing: -.2px; max-width: 900px; text-shadow: 0 2px 14px rgba(0,0,0,.85), 0 0 4px rgba(0,0,0,.55); }\n.ads2-sub { margin: 0 0 20px; font-size: 17px; color: #fff !important; text-shadow: 0 1px 8px rgba(0,0,0,.9), 0 0 3px rgba(0,0,0,.6); }\n.ads2-checks { list-style: none; margin: 0 0 26px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }\n.ads2-checks li { position: relative; margin: 0; padding-left: 20px; font-size: 15px; color: #fff !important;\n  text-shadow: 0 1px 6px rgba(0,0,0,.85); }\n.ads2-checks li::before { content: \"\\2713\"; position: absolute; left: 0; top: 0; color: #4ade80; font-weight: 700; }\n.ads2-cta { margin: 24px 0 6px; text-align: center; }\n.ads2-hero .ads2-cta { text-align: left; margin-top: 26px; }\n.ads2-btn { display: inline-block; background: #074fd0; color: #fff !important; font-weight: 400;\n  font-size: 16px; line-height: 16px; padding: 14px 30px; border-radius: 100px;\n  text-decoration: none !important; cursor: pointer; }\n.ads2-btn:hover { background: #063c9e; color: #fff !important; }\n.ads2-body { max-width: 1200px; margin: 0 auto; padding: 48px 24px 64px; }\n.ads2-sec { margin: 0 0 54px; }\n.ads2-sec:last-child { margin-bottom: 0; }\n.ads2 h2 { font-size: 27px; line-height: 1.3; color: #062a5a; font-weight: 700; margin: 0 0 20px;\n  padding-bottom: 12px; border-bottom: 1px solid #e6eaef; }\n.ads2 h3 { font-size: 21px; color: #062a5a; margin: 28px 0 12px; }\n.ads2 h4 { font-size: 18px; color: #062a5a; margin: 22px 0 10px; }\n.ads2 p { margin: 0 0 16px; }\n.ads2 a { color: #005fcf; text-decoration: none; }\n.ads2 a:hover { text-decoration: underline; }\n.ads2 ul, .ads2 ol { margin: 0 0 18px; padding-left: 22px; }\n.ads2 li { margin: 0 0 8px; }\n.ads2-cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 40px; }\n.ads2-cols2 ul { margin-bottom: 0; }\n.ads2-row { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center; }\n.ads2-row-flip .ads2-col-i { order: -1; }\n.ads2-row .ads2-col-t > *:last-child { margin-bottom: 0; }\n.ads2-row .ads2-cta { margin-top: 16px; }\n.ads2-fig { margin: 0 0 22px; }\n.ads2-fig img { width: 100%; height: auto; display: block; }\n.ads2-gal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0 0 22px; }\n.ads2-gal .ads2-fig { margin: 0; }\n.ads2-row .ads2-fig { margin: 0; }\n.ads2-tw { margin: 0 0 22px; overflow-x: auto; }\n.ads2-t { width: 100%; border-collapse: collapse; font-size: 15px; }\n.ads2-t td, .ads2-t th { border: 1px solid #e3e7ec; padding: 11px 14px; vertical-align: top; text-align: left; }\n.ads2-t.kv td:first-child { background: #f6f8fa; font-weight: 600; color: #062a5a; width: 34%; }\n.ads2-t.data { font-size: 14.5px; }\n.ads2-t.data td, .ads2-t.data th { padding: 9px 11px; }\n.ads2-t.data thead th, .ads2-t.data tr:first-child td { background: #eef3f9; font-weight: 700; color: #062a5a; }\n.ads2-t.data tbody tr:nth-child(odd) td { background: #fbfcfd; }\n@media (max-width: 1000px) {\n  .ads2-row { grid-template-columns: 1fr; gap: 22px; }\n  .ads2-row-flip .ads2-col-i { order: 0; }\n  .ads2-cols2 { grid-template-columns: 1fr; }\n  .ads2-h1 { font-size: 30px; }\n  .ads2-hero { min-height: 340px; }\n}\n@media (max-width: 700px) {\n  .ads2-gal { grid-template-columns: 1fr; }\n  .ads2-body { padding: 32px 18px 44px; }\n  .ads2-t { font-size: 14px; }\n  .ads2-t td, .ads2-t th { padding: 9px 10px; }\n  .ads2-t.kv td:first-child { width: 42%; }\n  .ads2-tw { -webkit-overflow-scrolling: touch; }\n}\n@media (max-width: 640px) {\n  .ads2-hero-in { padding: 34px 18px 38px; }\n  .ads2-h1 { font-size: 25px; }\n  .ads2 h2 { font-size: 22px; }\n  .ads2-tag { font-size: 13px; }\n  .ads2-sub { font-size: 15px; }\n  .ads2-checks { gap: 6px 16px; }\n  .ads2-checks li { font-size: 14px; }\n  .ads2-btn { padding: 12px 24px; font-size: 15px; }\n  .ads2-sec { margin-bottom: 40px; }\n}\n<\/style>\n<div class=\"ads2\">\n<section class=\"ads2-hero\">\n  <img class=\"ads2-hero-img\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp\" sizes=\"100vw\" alt=\"Bulk tool steel bar stock in the Aobo Steel warehouse\" loading=\"eager\" decoding=\"async\">\n  <div class=\"ads2-hero-ov\"><\/div>\n  <div class=\"ads2-hero-scrim\"><\/div>\n  <div class=\"ads2-hero-in\">\n    <nav class=\"ads2-crumb\"><a href=\"https:\/\/aobosteel.com\/ko\/\">\uc9d1 <\/a>&gt; <a href=\"https:\/\/aobosteel.com\/ko\/tool-steels\/\">\uacf5\uad6c\uac15 \uce74\ud0c8\ub85c\uadf8 <\/a>&gt; O1 \uacf5\uad6c\uac15<\/nav>\n    <p class=\"ads2-tag\"><em>\uc544\uc624\ubcf4 \uc2a4\ud2f8 | \uc911\uad6d\uc758 \uae00\ub85c\ubc8c \uacf5\uad6c\uac15 \uacf5\uae09\uc5c5\uccb4<\/em><\/p>\n    <h1 class=\"ads2-h1\">AISI O1 \uacf5\uad6c\uac15 | 1.2510 | SKS3<br>\ub300\ub7c9 \uacf5\uae09\uc6a9 \uc624\uc77c \uacbd\ud654 \ub0c9\uac04 \uac00\uacf5\uc6a9 \uac15\uc7ac<\/h1>\n    <ul class=\"ads2-checks\">\n      <li>100% UT Tested Quality Assurance<\/li>\n      <li>SEP 1921-82 Class D\/d Guaranteed<\/li>\n      <li>Annealed State Delivery<\/li>\n      <li>Surface: Black Scale, Turned, Mill Finish, or Polished<\/li>\n    <\/ul>\n    <div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">O1 \uc18c\uc7ac\uc5d0 \ub300\ud55c \ube60\ub978 \ubb38\uc758<\/a><\/div>\n  <\/div>\n<\/section>\n<div class=\"ads2-body\">\n<section class=\"ads2-sec\">\n<p>O1 \uacf5\uad6c\uac15\uc740 \uc800\ud569\uae08 \ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uac15\uc785\ub2c8\ub2e4. \uc77c\uc815 \uc218\uc900\uc758 \uacbd\ud654\uc131\uacfc \ub0b4\ub9c8\ubaa8\uc131\uc744 \uac00\uc9c0\uba70, \ub2f4\uae08\uc9c8 \ubcc0\ud615\uc774 \ucd5c\uc18c\ud654\ub429\ub2c8\ub2e4. \ud0c4\ud654\ubb3c \ubd84\ud3ec\uac00 \uade0\uc77c\ud558\uace0 \uc785\uc790\uac00 \ubbf8\uc138\ud569\ub2c8\ub2e4. \uc81c\uc870\uc5c5\uccb4\ub4e4\uc740 \uc77c\ubc18\uc801\uc73c\ub85c O1 \uacf5\uad6c\uac15\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub2e8\uba74\uc801\uc774 \uc791\uace0 \ubcf5\uc7a1\ud55c \ud615\uc0c1\uacfc \ub2e4\uc591\ud55c \ub450\uaed8\uc758 \ub0c9\uac04 \ud380\uce6d \uae08\ud615 \ubc0f \uce21\uc815 \uacf5\uad6c\ub97c \uc81c\uc791\ud569\ub2c8\ub2e4. O1\uacfc \ub3d9\ub4f1\ud55c \ub4f1\uae09\uc73c\ub85c\ub294 DIN 1.2510(\ub3c5\uc77c), JIS SKS3(\uc77c\ubcf8), GB \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.\u00a0<em>9CrWMn\u00a0<\/em>(\uc911\uad6d).<\/p>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>\uacf5\uae09 \uac1c\uc694<\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t kv\"><tbody><tr><td>\ub4f1\uae09<\/td><td>AISI O1 \/ DIN 1.2510 \/ JIS SKS3<\/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\ubcc4 \uacf5\uae09 \ub2a5\ub825<\/td><td>\ud1b5\ud569 \ud611\ub825 \uc81c\uc9c0 \uacf5\uc7a5\uc744 \ud1b5\ud55c \uc548\uc815\uc801\uc778 \ub300\ub7c9 \uacf5\uae09 (\ucee8\ud14c\uc774\ub108 \ub2e8\uc704 \uc218\ucd9c)<\/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 (\uc7ac\uace0 \ubcf4\uc720 \uc2dc)<\/td><td>\uc57d 15~25\uc77c<\/td><\/tr><tr><td>\ub9ac\ub4dc \ud0c0\uc784(\uc2e0\uc120 \uc6a9\uc735)<\/td><td>30~45\uc77c<\/td><\/tr><tr><td>\uc18c\uc694 \uc2dc\uac04 (\ud2b9\uc218 \uacbd\ub85c\/\ub192\uc740 \uccad\uacb0\ub3c4)<\/td><td>\uc57d 45~60\uc77c \uc18c\uc694 (\uc694\uccad \uc2dc)<\/td><\/tr><tr><td>\uc810\uac80<\/td><td>\uc790\uccb4 \ucd08\uc74c\ud30c \uac80\uc0ac \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(UT\uac00 \ud544\uc694\ud55c \uacbd\uc6b0)<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"ads2-row\">\n  <div class=\"ads2-col-t\"><h2>\uc0dd\uc0b0 \uc548\uc815\uc131<\/h2>\n<ul>\n<li>\uc720\ud1b5\uc5c5\uccb4 \uc7ac\uace0 \ubcf4\ucda9\uc744 \uc704\ud55c \uc548\uc815\uc801\uc778 \ub300\ub7c9 \uacf5\uae09 (\ucd5c\uc18c \uc8fc\ubb38\ub7c9 5\ud1a4)<\/li>\n\n\n\n<li>\uc548\uc815\uc801\uc778 \uac00\uacf5 \ubc0f \uc77c\uc815 \uad00\ub9ac\ub97c \uc704\ud55c \uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc \uacf5\uae09<\/li>\n\n\n\n<li>\ub2e4\uc591\ud55c \ub2e8\uba74 \ud06c\uae30\uc5d0 \ub9de\ub294 \uc720\uc5f0\ud55c \uc0dd\uc0b0 \uacbd\ub85c \uc124\uc815<\/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<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">O1 \ub300\ub7c9 \uad6c\ub9e4 \uac00\uaca9 \ubb38\uc758<\/a><\/div><\/div>\n  <div class=\"ads2-col-i\"><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-1024x576.avif\" alt=\"\"><\/figure><\/div>\n<\/div>\n<figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2.avif\" alt=\"\"><\/figure>\n<h2>\ud3ec\uc7a5 \ubc0f \ubc30\uc1a1<\/h2>\n<ul>\n<li>\uc7a5\uac70\ub9ac \ud574\uc0c1 \uc6b4\uc1a1\uc5d0 \uc801\ud569\ud55c \uc218\ucd9c\uc6a9 \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>\uc7ac\uace0 \uc8fc\ubb38 \uc2dc \ub2e4\uc591\ud55c \uc0ac\uc774\uc988\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc694\uccad \uc2dc \ubc29\uccad \ucc98\ub9ac\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uad6d\uc81c \uc8fc\ubb38\uc758 \uacbd\uc6b0, \uc6b4\uc1a1 \ud6a8\uc728\uc131 \ud5a5\uc0c1 \ubc0f \uc6d0\ud65c\ud55c \ud1b5\uad00\uc744 \uc704\ud574 \ucee8\ud14c\uc774\ub108 \uc804\uccb4 \uc801\uc7ac\ub97c \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">O1 \ucee8\ud14c\uc774\ub108 \uc804\uccb4 \uacac\uc801 \ubc1b\uae30<\/a><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>AISI A2 \uacf5\uad6c\uac15 | 1.2363 | SKD12 \uac24\ub7ec\ub9ac<\/h2>\n<div class=\"ads2-gal\"><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/o1-steel.avif\" alt=\"o1 \uacf5\uad6c\uac15\"><figcaption>O1 \uacf5\uad6c\uac15 \uc6d0\ud615\ubd09<\/figcaption><\/figure><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/06\/O1-steel-round-bar.webp\" alt=\"O1 \uac15\ucca0 \uc6d0\ud615 \ubd09\"><figcaption>O1 \uacf5\uad6c\uac15<\/figcaption><\/figure><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/06\/o1-steel-flat.webp\" alt=\"o1 \uac15\ucca0 \ud3c9\ucca0\"><figcaption>O1 \uacf5\uad6c\uac15\ud310<\/figcaption><\/figure><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>\uc751\uc6a9 \ubd84\uc57c<\/h2>\n<ul>\n<li>\ub2e4\uc774 \ubc0f \ud380\uce58: \ube14\ub7ad\ud0b9 \ub2e4\uc774, \ucf54\uc774\ub2dd \ub2e4\uc774, \ub4dc\ub85c\uc789 \ub2e4\uc774, \ud3ec\ubc0d \ub2e4\uc774, \uc77c\ubc18 \uc2a4\ud0ec\ud551(\uc18c\ub7c9\/\uc911\ub7c9 \uc0dd\uc0b0\uc6a9 \ud380\uce58 \ubc0f \ub2e4\uc774), \uc2a4\ub808\ub4dc \ub864\ub9c1 \ub2e4\uc774, \ucf5c\ub4dc \ud2b8\ub9ac\ubc0d \ub2e4\uc774<\/li>\n\n\n\n<li>\uc808\uc0ad \ubc0f \uac00\uacf5 \uacf5\uad6c: \uc77c\ubc18 \uacf5\uad6c \ube44\ud2b8(\uacbd\uc81c\uc801\uc778 \uc120\ud0dd), \uc804\ub2e8\ub0a0(\ud2b9\ud788 \uc18c\ud615), \ud0ed, \ub9ac\uba38, \ud649, \uc2ac\ub9ac\ud305 \ud1b1, \uc6d0\ud615 \uc808\ub2e8\uae30, \ub4dc\ub9b4<\/li>\n\n\n\n<li>Molds &amp; Precision Parts:\u00a0Plastic mold components (inserted cavities, master hubs), Gauges, Master tools<\/li>\n\n\n\n<li>General Tooling &amp; Wear Parts:\u00a0Cams, Bushings, Guides, Plain sliding bearings, Cam followers, Burnishing tools, Knurling tools, Feed rolls, Roll forming tooling (moderate runs)<\/li>\n<\/ul>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>O1\uac15 \ubc0f \ub3d9\ub4f1 \ub4f1\uae09\uc758 \uad6c\uc131<\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td>C<\/td><td>Mn<\/td><td>Si<\/td><td>Cr<\/td><td>W<\/td><td>V<\/td><td>Ni<\/td><td>Mo<\/td><td>P<\/td><td>S<\/td><\/tr><\/thead><tbody><tr><td>0.85 \u2013 1.00%<\/td><td>1.00 \u2013 1.40%<\/td><td>\ucd5c\ub300 0.50%<\/td><td>0.40 \u2013 0.60%<\/td><td>0.40 \u2013 0.60%<\/td><td>\ucd5c\ub300 0.30%<\/td><td>\ucd5c\ub300 0.30%<\/td><td>\ucd5c\ub300 0.30%<\/td><td>\ucd5c\ub300 0.03%<\/td><td>\ucd5c\ub300 0.03%<\/td><\/tr><\/tbody><\/table><\/div>\n<p>O1 \uacf5\uad6c\uac15\uacfc \ub3d9\ub4f1\ud55c \ub4f1\uae09\uc758 \uad6c\uc131<\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td>\ub4f1\uae09<\/td><td>\uae30\uc900<\/td><td>C (%)<\/td><td>Si(%)<\/td><td>Mn(%)<\/td><td>Cr (%)<\/td><td>W (%)<\/td><td>V (%)<\/td><\/tr><\/thead><tbody><tr><td>1.2510<\/td><td>\uc18c\uc74c<\/td><td>0.90-1.05<\/td><td>0.15-0.35<\/td><td>1.00-1.20<\/td><td>0.50-0.70<\/td><td>0.50-0.70<\/td><td>0.05-0.15<\/td><\/tr><tr><td>SKS3<\/td><td>JIS<\/td><td>0.90-1.00<\/td><td>\u22640.35<\/td><td>0.90-1.20<\/td><td>0.50-1.00<\/td><td>0.50-1.00<\/td><td>\u2013<\/td><\/tr><tr><td>9CrWMn<\/td><td>GB<\/td><td>0.85-0.95<\/td><td>\u22640.40<\/td><td>0.90-1.20<\/td><td>0.50-0.80<\/td><td>0.50-0.80<\/td><td>\u2013<\/td><\/tr><\/tbody><\/table><\/div>\n<p>\ubaa8\ub4e0 O1 \uc18c\uc7ac\ub294 AISI O1, DIN 1.2510 \ubc0f JIS SKS3 \ud45c\uc900\uc758 \uba85\uc2dc\ub41c \ud654\ud559 \uc870\uc131 \uc694\uad6c \uc0ac\ud56d\uc744 \uc5c4\uaca9\ud788 \uc900\uc218\ud558\uc5ec \uc0dd\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>\uc18d\uc131<\/h2>\n<ul>\n<li>\uac15\ub3c4(\uc778\uc7a5 \ubc0f \ud56d\ubcf5): \uacf5\uad6c\uac15 O1\uc740 846 MPa\uc758 \uc778\uc7a5 \uac15\ub3c4\uc640 829 MPa\uc758 0.2% \uc624\ud504\uc14b \ud56d\ubcf5 \uac15\ub3c4\ub97c \ub098\ud0c0\ub0b4\uba70, \uc77c\ubc18\uc801\uc778 \ud56d\ubcf5 \uac15\ub3c4\ub294 758 MPa\uc785\ub2c8\ub2e4. \ud2b9\uc815 O1 \uc870\uc131\uc758 \uacbd\uc6b0, 800\u00b0F(425\u00b0C)\uc5d0\uc11c \ud15c\ud37c\ub9c1 \ucc98\ub9ac \uc2dc \uc778\uc7a5 \uac15\ub3c4\uac00 1725 MPa(250 ksi)\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\uc73c\uba70, \ud15c\ud37c\ub9c1 \uc628\ub3c4\uac00 \ub192\uc544\uc9c8\uc218\ub85d \uc778\uc7a5 \uac15\ub3c4\ub294 \uac10\uc18c\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc5f0\uc131 \ubc0f \uc778\uc131: O1\uac15\uc740 \ud30c\uad34 \uc804\uc5d0 \ub69c\ub837\ud55c \ub124\ud0b9 \ud604\uc0c1\uc744 \ubcf4\uc774\uba70, \ud30c\uad34 \uc2dc \ub2e8\uba74\uc801 \uac10\uc18c\uc728\uc774 \uc57d 20%\uc5d0 \ub2ec\ud569\ub2c8\ub2e4. \ud30c\uad34\uba74\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ucef5-\ucf58 \ud615\ud0dc\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc778\uc131\uc740 \ubcf4\ud1b5 \uc911\uac04 \uc815\ub3c4\uc774\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc778 \uac00\uacf5 \uacbd\ub3c4 \ubc94\uc704\uc778 57~64 HRC \ub0b4\uc5d0\uc11c \ub2e4\ub978 O\ud615\uac15\uc5d0 \ube44\ud574 \uc6b0\uc218\ud55c \ucda9\uaca9 \uac15\ub3c4\ub97c \ubcf4\uc785\ub2c8\ub2e4. \uc5f0\uc131\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud15c\ud37c\ub9c1 \uc628\ub3c4\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc99d\uac00\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>Modulus of Elasticity:\u00a0211 GPa.<\/li>\n\n\n\n<li>Dimensional Stability:\u00a0Good\u00a0dimensional stability during heat treatment. When oil-quenched from the correct hardening temperature, it typically expands by about 0.0015 inches per inch (0.0015 mm\/mm). However, factors like part geometry and distortion (bending, bowing, or twisting) can influence the final dimensional changes.<\/li>\n\n\n\n<li>\uac00\uacf5\uc131: \uac00\uacf5\uc131\uc774 \ub9e4\uc6b0 \uc6b0\uc218\ud569\ub2c8\ub2e4. \ud0c4\uc18c \ud568\ub7c9\uc774 1%\uc778 \uac15\ucca0\uc758 \uac00\uacf5\uc131\uc744 100\uc73c\ub85c \uc124\uc815\ud588\uc744 \ub54c, O1 \uac15\ucca0\uc758 \uac00\uacf5\uc131\uc740 90\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>O1 \uc5f4\ucc98\ub9ac \uac1c\uc694<\/h2>\n<p>O1\uc740 \uc624\uc77c \uacbd\ud654\ud615 \ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uac15\uc73c\ub85c, \uc644\uc804 \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\ub85c \uacf5\uae09\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uac00\uacf5 \uacbd\ub3c4\uc640 \uce58\uc218 \uc548\uc815\uc131\uc744 \uc5bb\uc73c\ub824\uba74 \uc801\uc808\ud55c \uc5f4\ucc98\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc77c\ubc18\uc801\uc778 \uc5f4\ucc98\ub9ac \ub9e4\uac1c\ubcc0\uc218(\ucc38\uace0)<\/h3>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>\ucc98\ub9ac \ub2e8\uacc4<\/th><th>\uc77c\ubc18\uc801\uc778 \uc628\ub3c4<\/th><th>\uba54\ubaa8<\/th><\/tr><\/thead><tbody><tr><td>\uc608\uc5f4<\/td><td>600~650\u00b0C (1110~1200\u00b0F)<\/td><td>\uc628\ub3c4\ub97c \uade0\uc77c\ud558\uac8c \ud558\uace0 \uc5f4 \ucda9\uaca9\uc744 \uc904\uc785\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654<\/td><td>800~820\u00b0C (1470~1500\u00b0F)<\/td><td>1\uc778\uce58(25mm) \uad6c\uac04\ub2f9 \uc57d 5\ubd84\uc529 \ub2f4\uadf8\uc138\uc694.<\/td><\/tr><tr><td>\ub2f4\uae08\uc9c8<\/td><td>\uae30\ub984<\/td><td>\ud15c\ud37c\ub9c1 \uc804\uc5d0 50~65\u00b0C(120~150\u00b0F)\ub85c \ub2f4\uae08\uc9c8\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td>\ub728\uc784<\/td><td>150~200\u00b0C (300~390\u00b0F)<\/td><td>\uc778\uce58(25mm) \ub2e8\uba74\ub2f9 2\uc2dc\uac04<\/td><\/tr><\/tbody><\/table><\/div>\n<h3>\uc77c\ubc18\uc801\uc73c\ub85c \ub2ec\uc131 \uac00\ub2a5\ud55c \uacbd\ub3c4<\/h3>\n<ul>\n<li>\uae09\ub7ad \ud6c4 \uacbd\ub3c4: 62\u201364 HRC<\/li>\n\n\n\n<li>\uc5f4\ucc98\ub9ac \ud6c4 \uacbd\ub3c4: 57~62 HRC<\/li>\n<\/ul>\n<p>\uacbd\ub3c4\ub294 \ub2e8\uba74 \ud06c\uae30\uc640 \uc5f4\ucc98\ub9ac \uc628\ub3c4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n<p>O1\uac15\uc740 \uc218\uacbd\ud654\uac15\ubcf4\ub2e4 \ubcc0\ud615\uc5d0 \ub35c \ubbfc\uac10\ud558\uc9c0\ub9cc, \uade0\uc5f4 \ubc1c\uc0dd \uc704\ud5d8\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \uc81c\uc5b4\ub41c \uc624\uc77c \ub2f4\uae08\uc9c8\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc815\ubc00 \uacf5\uad6c \ubd84\uc57c\uc5d0\uc11c\ub294 \uce58\uc218 \uc548\uc815\uc131 \ud5a5\uc0c1\uc744 \uc704\ud574 \uc774\uc911 \ud15c\ud37c\ub9c1\uc744 \uad8c\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">\uacac\uc801 \uc694\uccad\uc11c \uc591\uc2dd \uc5f4\uae30<\/a><\/div>\n<\/section>\n\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\\\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Forged O1 \\\/ 1.2510 \\\/ SKS3 Tool Steel Round Bar\",\n    \"image\": \"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/o1-steel.avif\",\n    \"description\": \"Premium Forged O1 (1.2510 \\\/ SKS3) Oil Hardening Tool Steel directly from Aobo Steel factory. Excellent non-deforming properties and wear resistance. Custom forged sizes available. Manufacturer price.\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Aobo Steel\"\n    },\n    \"manufacturer\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Aobo Steel\"\n    },\n    \"sku\": \"AOBO-O1-Round\",\n    \"mpn\": \"AOBO-O1-MFG\",\n    \"offers\": {\n        \"@type\": \"AggregateOffer\",\n        \"url\": \"https:\\\/\\\/aobosteel.com\\\/o1-tool-steel\\\/\",\n        \"priceCurrency\": \"USD\",\n        \"lowPrice\": \"1100\",\n        \"highPrice\": \"1400\",\n        \"offerCount\": \"5\",\n        \"availability\": \"https:\\\/\\\/schema.org\\\/InStock\",\n        \"itemCondition\": \"https:\\\/\\\/schema.org\\\/NewCondition\",\n        \"seller\": {\n            \"@type\": \"Organization\",\n            \"name\": \"Aobo Steel\",\n            \"telephone\": \"+86 180 6294 5370\",\n            \"address\": {\n                \"@type\": \"PostalAddress\",\n                \"streetAddress\": \"No. 141 Huangjiawan, Shileishan Village, Xisai District\",\n                \"addressLocality\": \"Huangshi City\",\n                \"addressRegion\": \"Hubei Province\",\n                \"postalCode\": \"435000\",\n                \"addressCountry\": \"CN\"\n            }\n        }\n    }\n}<\/script>\n\n\n\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Home &gt; Tool Steel Catalog &gt; O1 Tool Steel Aobo Steel | Global Tool Steel Supplier in China AISI O1 Tool Steel | 1.2510 | SKS3Oil-Hardening Cold Work Steel for Bulk Supply 100% UT Tested Quality Assurance SEP 1921-82 Class D\/d Guaranteed Annealed State Delivery Surface: Black Scale, Turned, Mill Finish, or Polished Quick Inquiry [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5700,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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-9452","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>O1 Tool Steel Supplier | 1.2510 | SKS3 Bulk Supply | AoboSteel<\/title>\n<meta name=\"description\" content=\"Bulk supply of O1 tool steel (1.2510 \/ SKS3) in annealed condition. Round bar and plate available. UT inspection, MTC 3.1, 20GP container export supported.\" \/>\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\/o1-tool-steel\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O1 Tool Steel | 1.2510 | SKS3\" \/>\n<meta property=\"og:description\" content=\"Bulk supply of O1 tool steel (1.2510 \/ SKS3) in annealed condition. Round bar and plate available. 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