发明名称 |
HIGH-CARBON HOT-ROLLING STEEL SHEET AND A PRODUCTION METHOD THEREFOR |
摘要 |
The present invention provides a high-carbon hot-rolling steel sheet having a fine pearlite structure which i) on a percent by weight basis comprises carbon in an amount of 0.60-1.20%, silicon in an amount of 0.10-0.35%, manganese in an amount of 0.10-0.80%, phosphorous in an amount of more than 0 and less than 0.03% and sulphur in an amount of more than 0 and less than 0.03%, and also comprises at least one of nickel in an amount of less than 0.25% (including 0), chromium in an amount of less than 0.30% (including 0) and/or copper in an amount of less than 0.25% (including 0), and a balance of iron and other inevitably added impurities, and in which ii) the cementite width is greater than 0 and less than 0.2mm, and the cementite-cementite spacing is greater than 0 and less than 0.5mm. |
申请公布号 |
WO2010018920(A3) |
申请公布日期 |
2010.03.25 |
申请号 |
WO2009KR02909 |
申请日期 |
2009.06.01 |
申请人 |
POSCO;JANG, SE-WHAN;LEE, CHANG-HOON;WOO, JAE-DONG;SEO, MIN-KYO |
发明人 |
JANG, SE-WHAN;WOO, JAE-DONG;SEO, MIN-KYO |
分类号 |
C22C38/00 |
主分类号 |
C22C38/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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