{"id":9433,"date":"2025-08-03T15:47:13","date_gmt":"2025-08-03T07:47:13","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9433"},"modified":"2026-10-14T13:22:05","modified_gmt":"2026-10-14T05:22:05","slug":"s7-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/s7-tool-steel\/","title":{"rendered":"AISI S7 \uacf5\uad6c\uac15 \uacf5\uae09\uc5c5\uccb4 | DIN 1.2355 | \ub0b4\ucda9\uaca9\uc131 \uacf5\uad6c\uac15 \ub300\ub7c9 \uacf5\uae09"},"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; S7 \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 S7 \uacf5\uad6c\uac15 \uacf5\uae09\uc5c5\uccb4 | DIN 1.2355 | \ub0b4\ucda9\uaca9\uc131 \uacf5\uad6c\uac15 \ub300\ub7c9 \uacf5\uae09<\/h1>\n    <p class=\"ads2-sub\">\ub0b4\ucda9\uaca9\uc131 \uacf5\uad6c \uc81c\uc791\uc5d0 \uc801\ud569\ud55c \uc5f4\ucc98\ub9ac\ub41c S7\uac15\uc758 \uc548\uc815\uc801\uc778 \ub300\ub7c9 \uacf5\uae09<\/p>\n    <ul class=\"ads2-checks\">\n      <li>100% UT \ud14c\uc2a4\ud2b8 \uc644\ub8cc (1921\ub144 9\uc6d4~1982\ub144 D\/d\uae09)<\/li>\n      <li>Delivered in Fully Annealed Condition<\/li>\n      <li>MOQ 5 Tons | FCL Recommended (~26 Tons)<\/li>\n      <li>\uc6d0\ud615 \ubd09 \/ \ud3c9\ucca0 \/ \ub2e8\uc870 \ube14\ub85d<\/li>\n    <\/ul>\n    <div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">S7 \ub300\ub7c9 \uacac\uc801 \uc694\uccad<\/a><\/div>\n  <\/div>\n<\/section>\n<div class=\"ads2-body\">\n<section class=\"ads2-sec\">\n<p>S7 \uacf5\uad6c\uac15\uc740 AISI \uc2dc\uc2a4\ud15c\uc5d0\uc11c &quot;S&quot; \uc2dc\ub9ac\uc988\ub85c \ubd84\ub958\ub418\ub294 \ub0b4\ucda9\uaca9\uc131 \uacf5\uad6c\uac15\uc785\ub2c8\ub2e4. \ub192\uc740 \ucda9\uaca9\uacfc \ubc18\ubcf5\uc801\uc778 \ucda9\uaca9 \ud558\uc911\uc5d0 \ub178\ucd9c\ub418\ub294 \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uad6d\uc81c\uc801\uc73c\ub85c \ub3d9\ub4f1\ud55c \uaddc\uaca9\uc73c\ub85c\ub294 UNS T41907, DIN 1.2355(50CrMoV13-15), JIS SKS93, \uadf8\ub9ac\uace0 \uc911\uad6d \uaddc\uaca9\uc778 5Cr3Mn1SiMo1V\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/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\"><thead><tr><th>\ud56d\ubaa9<\/th><th>\uc138\ubd80<\/th><\/tr><\/thead><tbody><tr><td>\ub4f1\uae09<\/td><td>AISI S7 \/ DIN 1.2355<\/td><\/tr><tr><td>\ubc30\uc1a1 \uc870\uac74<\/td><td>\uc644\uc804 \uc5b4\ub2d0\ub9c1(\uc5f0\uc9c8 \uac00\uacf5 \uc870\uac74)<\/td><\/tr><tr><td>\uacf5\uae09 \ud615\ud0dc<\/td><td>\uc6d0\ud615 \ubd09 \/ \ud3c9\ucca0 \/ \ub2e8\uc870 \ube14\ub85d<\/td><\/tr><tr><td>\uc6d4\uac04 \uc0dd\uc0b0\ub7c9<\/td><td>\uc720\ud1b5\uc5c5\uccb4 \uc7ac\uace0 \ubcf4\ucda9\uc744 \uc704\ud55c \uc548\uc815\uc801\uc778 \uc21c\ud658 \uc0dd\uc0b0<\/td><\/tr><tr><td>\uad8c\uc7a5 \uc218\ucd9c \ubaa8\ub378<\/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 (\uc789\uacf3 \uc7ac\uace0)<\/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>EN 10204 3.1 MTC + UT \ubcf4\uace0\uc11c<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"ads2-row\">\n  <div class=\"ads2-col-t\"><h2>\uc720\ud1b5\uc5c5\uccb4 \uc7ac\uace0\uc758 \uacf5\uae09 \uc548\uc815\uc131<\/h2>\n<ul>\n<li>\ubc18\ubcf5\uc801\uc778 \ucee8\ud14c\uc774\ub108 \uc120\uc801\uc744 \uc9c0\uc6d0\ud558\ub294 \uc5f0\uc18d \uc0dd\uc0b0 \uc8fc\uae30<\/li>\n\n\n\n<li>\ud569\uae08 \uacf5\uae09\uc758 \uc548\uc815\uc131\uc744 \ud655\ubcf4\ud558\uc5ec \uc6d0\uc790\uc7ac \uac00\uaca9 \ubcc0\ub3d9 \uc704\ud5d8\uc744 \uc904\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud504\ub9ac\ubbf8\uc5c4 \uc2dc\uc7a5 \ud3ec\uc9c0\uc154\ub2dd\uc744 \uc704\ud574 ESR \ub4f1\uae09\uc740 \uc694\uccad \uc2dc \uc81c\uacf5 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/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\n\n\n<li>\ucd9c\ud558 \uc804 \uc815\ubc00 \uac80\uc0ac<\/li>\n<\/ul>\n<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">\ub300\ub7c9 S7 \uacf5\uae09 \uacc4\ud68d \uc694\uccad<\/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>\ubc29\uccad \ucc98\ub9ac\ub41c \ub0b4\ud56d\uc131 \ubaa9\uc7ac \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>\ud55c \ucee8\ud14c\uc774\ub108 \uc548\uc5d0 \ub2e4\uc591\ud55c \ud06c\uae30\uc640 \ud488\ubaa9\uc744 \ud63c\ud569\ud558\uc5ec \ub2f4\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc120\uc801 \uc804 \ucee8\ud14c\uc774\ub108 \uc801\uc7ac \uc0ac\uc9c4\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ud574\uc678 \uc720\ud1b5\uc5c5\uccb4\uc758 \uacbd\uc6b0, \ucee8\ud14c\uc774\ub108 \uc804\uccb4 \uc801\uc7ac\ub97c \ud1b5\ud55c \uc120\uc801\uc740 \ud654\ubb3c \uad00\ub9ac\ub97c \uc6a9\uc774\ud558\uac8c \ud558\uace0 \ud1b5\uad00 \uc808\ucc28\ub97c \uac04\uc18c\ud654\ud569\ub2c8\ub2e4.<\/p>\n<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">S7 \ucee8\ud14c\uc774\ub108 \uc804\uccb4 \uacac\uc801 \ubc1b\uae30<\/a><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>S7 \uacf5\uad6c\uac15 \uc801\uc6a9 \ubd84\uc57c<\/h2>\n<ul>\n<li>\ud380\uce58<\/li>\n\n\n\n<li>\ube14\ub7ad\ud0b9 \ub2e4\uc774<\/li>\n\n\n\n<li>\ub0c9\uac04 \uc131\ud615 \uae08\ud615<\/li>\n\n\n\n<li>\uc8fc\ubb3c \uc81c\uc791\uc6a9 \uc8fc\ud615<\/li>\n\n\n\n<li>\ub9e8\ub4dc\ub9b4<\/li>\n\n\n\n<li>\uad6c\uc870 \uad6c\uc131 \ubd80\ud488<\/li>\n\n\n\n<li>\ud2b8\ub9ac\ubc0d \ub2e4\uc774<\/li>\n<\/ul>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>S7 \uac15\ucca0 \uad6c\uc131<\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td>\ud0c4\uc18c<\/td><td>Manganese<\/td><td>Silicon<\/td><td>\ud06c\ub86c<\/td><td>\ubab0\ub9ac\ube0c\ub374<\/td><td>\ubc14\ub098\ub4d0<\/td><\/tr><\/thead><tbody><tr><td>0.45 \u2013 0.55%<\/td><td>0.20 \u2013 0.90%<\/td><td>0.20 \u2013 1.00%<\/td><td>3.00 \u2013 3.50%<\/td><td>1.30 \u2013 1.80%<\/td><td>0.20 \u2013 0.35%<\/td><\/tr><\/tbody><\/table><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>\uc18d\uc131<\/h2>\n<h3>\ubb3c\ub9ac\uc801 \ud2b9\uc131<\/h3>\n<div class=\"ads2-tw\"><table class=\"ads2-t kv\"><tbody><tr><td>\ubc00\ub3c4<\/td><td>7.80\u22127.83\u00a0g\/cm3<\/td><\/tr><tr><td>\ube44\uc911<\/td><td>7.83<\/td><\/tr><tr><td>\ud0c4\uc131\uacc4\uc218<\/td><td>205\u2212207\u00a0GPa<\/td><\/tr><tr><td>\uc5f4\uc804\ub3c4\uc728<\/td><td>28.5\u00a0W\/(m\u22c5K)\u00a0(at\u00a095\u2218C)<\/td><\/tr><tr><td colspan=\"2\">\uc5f4\ud33d\ucc3d(\uc120\ud615)<\/td><\/tr><tr><td>20~100\u2103<\/td><td>12.5\u00a0\u03bcm\/(m\u22c5K)<\/td><\/tr><tr><td>20~250\u2103<\/td><td>13.3\u00a0\u03bcm\/(m\u22c5K)<\/td><\/tr><tr><td>20~500\u2103<\/td><td>14.27\u00a0\u03bcm\/(m\u22c5K)<\/td><\/tr><tr><td>\ube44\uc5f4\uc6a9\ub7c9<\/td><td>\u223c0.46\u00a0J\/(g\u22c5K)<\/td><\/tr><tr><td>\uc804\uae30\uc800\ud56d<\/td><td>\u223c0.75\u00a0\u03bc\u03a9\u22c5m<\/td><\/tr><tr><td>\uc784\uacc4 \uc628\ub3c4(Ac1)<\/td><td>793\u2103<\/td><\/tr><tr><td>\uc784\uacc4 \uc628\ub3c4(Ac3)<\/td><td>838\u2103<\/td><\/tr><tr><td>\ubcc0\ud658 \uc628\ub3c4<\/td><td>785~800\u2103<\/td><\/tr><\/tbody><\/table><\/div>\n<h3>\uae30\uacc4\uc801 \uc131\uc9c8<\/h3>\n<div class=\"ads2-tw\"><table class=\"ads2-t kv\"><tbody><tr><td>\uc778\uc7a5 \uac15\ub3c4<\/td><td>\u223c1517\u22122151\u00a0MPa<\/td><\/tr><tr><td>\ud56d\ubcf5 \uac15\ub3c4<\/td><td>\u223c1310\u22121999\u00a0MPa<\/td><\/tr><tr><td>\uacbd\ub3c4(\uc5b4\ub2d0\ub9c1 \ucc98\ub9ac)<\/td><td>Max\u00a0223\u2212250\u00a0HBW<\/td><\/tr><tr><td>\uacbd\ub3c4(\uc5f4\ucc98\ub9ac \ud6c4)<\/td><td>Up to\u00a060\u221261\u00a0HRC<\/td><\/tr><tr><td>\uacbd\ub3c4(\ud15c\ud37c\ub9c1 \ubc94\uc704)<\/td><td>45\u221257\u00a0HRC\u00a0(depending on temp)<\/td><\/tr><tr><td>\ud30c\ub2e8 \uc2dc \uc2e0\uc7a5\ub960<\/td><td>\u223c7\u221215%<\/td><\/tr><tr><td>\ud478\uc544\uc1a1 \ube44<\/td><td>0.27\u22120.30<\/td><\/tr><tr><td>\ud0c4\uc131\uacc4\uc218<\/td><td>207\u00a0GPa<\/td><\/tr><\/tbody><\/table><\/div>\n<h3>\uae30\ud0c0 \uc18d\uc131<\/h3>\n<ul>\n<li>Shock Resistance:\u00a0Very high, a primary and defining characteristic of S7.<\/li>\n\n\n\n<li>\ub0b4\ub9c8\ubaa8\uc131: \uc591\ud638\ud558\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc73c\ub85c O6 \ub610\ub294 D2 \uacf5\uad6c\uac15\uacfc \uac19\uc740 \uace0\ud0c4\uc18c, \uace0\ud06c\ub86c \ub0c9\uac04\uac00\uacf5\uac15\ubcf4\ub2e4\ub294 \ub0ae\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uce58\uc218 \uc548\uc815\uc131: \uc804\uccb4 \uce58\uc218\uc5d0 \uac78\uccd0 \uc6b0\uc218\ud55c \uc548\uc815\uc131\uc744 \ubcf4\uc785\ub2c8\ub2e4.\u00a0<em>\uc5f4\ucc98\ub9ac<\/em>\u00a0\uacf5\uc815. S7\uc744 \uc801\uc815 \uacbd\ud654 \uc628\ub3c4\uc5d0\uc11c \uacf5\ub7ad\ud560 \uacbd\uc6b0 \uc778\uce58\ub2f9 +0.001\uc778\uce58(mm\ub2f9 0.001mm)\uc758 \uce58\uc218 \uc99d\uac00\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>Air Hardening Benefit:\u00a0S7&#8217;s air-hardening capability provides a significant margin of safety during hardening, reducing the risk of distortion and cracking compared to liquid-quenching steels.<\/li>\n\n\n\n<li>Elevated Temperature Performance:\u00a0S7 exhibits good resistance to softening at moderately elevated temperatures, making it suitable for medium-temperature hot work applications.<\/li>\n\n\n\n<li>\ud45c\uba74 \uacbd\ud654: \ud0c4\uc9c8\ud654 \ub610\ub294 \uc9c8\ud654\uc640 \uac19\uc740 \uacf5\uc815\uc744 \ud1b5\ud574 S7 \uacf5\uad6c\uac15\uc758 \ud45c\uba74 \uacbd\ub3c4\ub97c \uc57d 64 HRC\uae4c\uc9c0 \ub354\uc6b1 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub7ec\ud55c \ud45c\uba74 \ucc98\ub9ac\ub294 S7\uac15 \uace0\uc720\uc758 \ucda9\uaca9 \uc800\ud56d\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc73c\ubbc0\ub85c \uc801\uc6a9 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uc2e0\uc911\ud558\uac8c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>S7 \uacf5\uad6c\uac15\uc758 \uc5f4\ucc98\ub9ac<\/h2>\n<p>S7\uc740 \ucda9\uaca9 \ud558\uc911 \ud558\uc5d0\uc11c \ub192\uc740 \uc778\uc131\uc744 \uc720\uc9c0\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \uacf5\uae30 \uacbd\ud654\ud615 \ub0b4\ucda9\uaca9 \uacf5\uad6c\uac15\uc785\ub2c8\ub2e4. \ubc18\ubcf5\uc801\uc778 \ucda9\uaca9\uc774 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \ud574\ub2f9 \ud45c\uba74\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uacfc \ud0c0\uaca9 \uacf5\uad6c\uc758 \uc548\uc804\ud55c \uacbd\ub3c4 \ubc94\uc704\uc5d0 \ub300\ud574\uc11c\ub294 \ub2e4\uc74c\uc5d0\uc11c \ub2e4\ub8f9\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/impact-wear-and-spalling\/\">\ucda9\uaca9 \ub9c8\ubaa8 \ubc0f \uc2a4\ud3f4\ub9c1(\ubc15\ub9ac) \ud398\uc774\uc9c0<\/a>. \uc77c\ubc18\uc801\uc778 \uc5f4\ucc98\ub9ac \ud30c\ub77c\ubbf8\ud130\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc608\uc5f4: 650~700\u00b0C<\/li>\n\n\n\n<li>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654: 925\u2013955 \u00b0C<\/li>\n\n\n\n<li>\ub2f4\uae08\uc9c8: \uacf5\ub7ad\uc2dd<\/li>\n\n\n\n<li>\uc5f4\ucc98\ub9ac: 200~540\u00b0C (\uc774\uc911 \uc5f4\ucc98\ub9ac \uad8c\uc7a5)<\/li>\n<\/ul>\n<p>\uc801\uc808\ud55c \uc5f4\ucc98\ub9ac\ub97c \uac70\uce58\uba74 S7\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e8\uba74 \ud06c\uae30\uc640 \ud15c\ud37c\ub9c1 \uc628\ub3c4\uc5d0 \ub530\ub77c 54~58 HRC \ubc94\uc704\uc758 \uacbd\ub3c4\ub97c \uc5bb\uc2b5\ub2c8\ub2e4.<\/p>\n<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">RRQ \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 S7 \\\/ 1.2355 Shock Resisting Tool Steel Round Bar\",\n    \"image\": \"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/S7.webp\",\n    \"description\": \"Premium Forged S7 (1.2355) Shock Resisting Tool Steel directly from Aobo Steel factory. Superior toughness combined with high wear resistance. Ideal for heavy-duty impact tools. 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Tool Steel Catalog &gt; S7 Tool Steel Aobo Steel | Global Tool Steel Supplier in China AISI S7 Tool Steel Supplier | DIN 1.2355 | Bulk Shock-Resisting Tool Steel Reliable Bulk Supply of Annealed S7 for Impact-Resistant Tooling Applications 100% UT Tested (SEP 1921-82 Class D\/d) Delivered in Fully Annealed Condition MOQ 5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5962,"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-9433","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>S7 Tool Steel Supplier in China | DIN 1.2355 Bulk Exporter | AoboSteel<\/title>\n<meta name=\"description\" content=\"Bulk supply of AISI S7 tool steel (DIN 1.2355) in annealed condition. 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