发明名称 |
HIGH-CARBON STEEL SHEET AND METHOD FOR PRODUCING SAME |
摘要 |
A high-carbon steel sheet has a chemical composition comprising, in % by mass, 0.60% to 0.90% of C, 0.30% to 1.50% of Mn, 0.20% to 1.00% of Cr and others, and has such a structure that the concentration of Mn contained in cementite is 2 to 8% inclusive, the concentration of Cr contained in the cementite is 2 to 8% inclusive, the average particle diameter of ferrite is 10 to 50 μm inclusive, the average particle diameter of the cementite is 0.3 to 1.5 μm inclusive and the spheroidization ratio of the cementite is 85% or more. |
申请公布号 |
WO2015076384(A1) |
申请公布日期 |
2015.05.28 |
申请号 |
WO2014JP80951 |
申请日期 |
2014.11.21 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
TAKEDA, KENGO;TOMOKIYO, TOSHIMASA;TSUKANO, YASUSHI;ARAMAKI, TAKASHI |
分类号 |
C22C38/00;C21D9/46;C22C38/18;C22C38/60 |
主分类号 |
C22C38/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|