发明名称 |
COLD ROLLED STEEL SHEET, ELECTROGALVANIZED COLD-ROLLED STEEL SHEET, HOT-DIP GALVANIZED COLD-ROLLED STEEL SHEET, ALLOYED HOT-DIP GALVANIZED COLD ROLLED STEEL SHEET, AND MANUFACTURING METHODS OF THE SAME |
摘要 |
A cold-rolled steel sheet containing: in mass %, C: 0.0005 to 0.0045%; Mn: 0.80 to 2.50%; Ti: 0.002 to 0.150%; B: 0.0005 to 0.01%, in which (1) Expression is satisfied, and a balance being composed of iron and impurities, in which at the position of ¼ thickness of a sheet thickness, a random intensity ratio (A) of the {332}<110> orientation is 3 or less, a random intensity ratio (B) of the {557}<9 16 5> orientation and a random intensity ratio (C) of the {111}<112> orientation are both 7 or more, and {(B)/(A) 5} and {(B)>(C)} are satisfied. |
申请公布号 |
US2015203948(A1) |
申请公布日期 |
2015.07.23 |
申请号 |
US201314417761 |
申请日期 |
2013.07.31 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
Sugiura Natsuko;Yonemura Shigeru;Maruyama Naoki |
分类号 |
C23C2/02;C21D9/46;C23C2/28;C23C2/06;C22C38/38;C22C38/32;C22C38/28;C22C38/26;C22C38/22;C22C38/16;C22C38/14;C22C38/12;C22C38/08;C22C38/06;C22C38/04;C22C38/02;C22C38/00;B32B15/01;C25D7/06;C21D8/02 |
主分类号 |
C23C2/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
Tokyo JP |