基本信息:
- 专利标题: 고장력강 및 그 제조 방법
- 专利标题(英):High-tensile strength steel and manufacturing method thereof
- 专利标题(中):高强度钢及其制造方法
- 申请号:KR1020137005580 申请日:2009-03-27
- 公开(公告)号:KR1020130035277A 公开(公告)日:2013-04-08
- 发明人: 이치미야가츠유키 , 요코타도모유키 , 니시무라기미히로 , 시카나이노부오
- 申请人: 제이에프이 스틸 가부시키가이샤
- 申请人地址: *-*-* UCHISAIWAICHO, CHIYODA-KU, TOKYO, JAPAN
- 专利权人: 제이에프이 스틸 가부시키가이샤
- 当前专利权人: 제이에프이 스틸 가부시키가이샤
- 当前专利权人地址: *-*-* UCHISAIWAICHO, CHIYODA-KU, TOKYO, JAPAN
- 代理人: 특허법인코리아나
- 优先权: JPJP-P-2008-089648 2008-03-31
- 国际申请: PCT/JP2009/056906 2009-03-27
- 国际公布: WO2009123292 2009-10-08
- 主分类号: C22C38/14
- IPC分类号: C22C38/14 ; C22C38/58 ; C21D8/02
0 여기서, Ca, S 및 O 는, 각 원소의 함유량 (mass%)
을 만족하여 함유하고, 잔부가 Fe 및 불가피적 불순물로 이루어지는 성분 조성을 갖는 고장력강이다.
Even in a high-strength steel sheet of huyuk, it proposes a high strength steel with high toughness is also advantageous that with the manufacturing method of the strength and toughness of the base material superior, welding yeolbu. Specifically, mass% to, C: 0.03 ~ 0.10%, Si: 0.30% or less, Mn: 1.60 ~ 2.30%, P: 0.015% or less, S: 0.005% or less, Al: 0.005 ~ 0.06%, Nb: 0.004 ~ 0.05%, Ti: 0.005 ~ 0.02%, N: 0.001 ~ 0.005%, Ca: to the containing 0.0005% to 0.003%, also Ca, S and O (1) expression;
0 <(Ca- (0.18 + 130 × Ca) × O) /1.25/S <1 ... (One)
Wherein, Ca, S and O, the content (mass%) of each element
It contains by satisfy, and the balance of high strength steel having a composition of Fe and inevitable impurities composition.
信息查询:
EspacenetIPC结构图谱:
C | 化学;冶金 |
--C22 | 冶金(铁的冶金入C21);黑色或有色金属合金;合金或有色金属的处理 |
----C22C | 合金 |
------C22C38/00 | 铁基合金,例如合金钢 |
--------C22C38/14 | .含钛或锆的 |