发明名称 |
COLD-ROLLED STEEL SHEET, ELECTROLYTIC ZINC-COATED COLD-ROLLED STEEL SHEET, HOT-DIP ZINC-COATED COLD-ROLLED STEEL SHEET, ALLOYED HOT-DIP ZINC-COATED COLD-ROLLED STEEL SHEET, AND METHODS FOR PRODUCING SAID STEEL SHEETS |
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 1/4 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 |
EP2881483(A1) |
申请公布日期 |
2015.06.10 |
申请号 |
EP20130826234 |
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 |
C22C38/00;B21B1/22;B21B3/00;C21D9/48;C22C38/14;C22C38/58;C23C2/06;C23C2/28;C23C2/40;C25D5/26 |
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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