| 发明名称 |
STEEL SHEET FOR WARM PRESS FORMING, WARM-PRESSED MEMBER, AND MANUFACTURING METHODS THEREOF |
| 摘要 |
Provided are a steel sheet for warm press forming that can have high strength, good elongation, and thus improved crashworthiness after being warm pressed, and a warm-pressed member formed of the steel sheet, and manufacturing methods thereof. The steel sheet for warm press forming includes, by weight %, C: 0.01% to 0.5%, Si: 3.0% or less (excluding 0%), Mn: 3% to 15%, P: 0.0001% to 0.1%, S: 0.0001% to 0.03%, Al: 3.0% or less (excluding 0%), N: 0.03% or less (excluding 0%), and the balance of Fe and inevitable impurities. |
| 申请公布号 |
US2014308156(A1) |
申请公布日期 |
2014.10.16 |
| 申请号 |
US201214356300 |
申请日期 |
2012.11.05 |
| 申请人 |
POSCO |
发明人 |
Oh Jin-Keun;Lee Kyoo-Young;Cho Yeol-Rae;Choi Eul-Yong;Kim Ki-Soo |
| 分类号 |
C22C38/38;C22C38/16;C22C38/14;C22C38/12;B21B15/00;C22C38/06;C22C38/04;C22C38/02;C22C38/00;B21B1/04;C21D8/02;C22C38/08 |
主分类号 |
C22C38/38 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A steel sheet for warm press forming, the steel sheet comprising, by weight %, C: 0.01% to 0.5%, Si: 3.0% or less (excluding 0%), Mn: 3% to 15%, P: 0.0001% to 0.1%, S: 0.0001% to 0.03%, Al: 3.0% or less (excluding 0%), N: 0.03% or less (excluding 0%), and the balance of Fe and inevitable impurities. |
| 地址 |
Pohang-si, Kyungsangbook-do KR |
