发明名称 |
A HOT-ROLLED HIGH-STRENGTH ROLL-FORMABLE STEEL SHEET WITH EXCELLENT STRETCH-FLANGE FORMABILITY AND A METHOD OF PRODUCING SAID STEEL |
摘要 |
This invention relates to a hot-rolled high-strength steel strip or sheet with excellent roll-forming characteristics and excellent stretch-flange formability suitable for automotive chassis part or the like and, more particularly, to a high-strength steel strip or sheet with tensile strength of 780 MPa or higher, or preferably 950 MPa or higher, with an excellent combination of total elongation, stretch-flange formability and fatigue resistance and to a method of manufacturing said steel strip or sheet, and to the use of said strip or sheet in a part. |
申请公布号 |
EP3147381(A1) |
申请公布日期 |
2017.03.29 |
申请号 |
EP20160190033 |
申请日期 |
2016.09.22 |
申请人 |
Tata Steel IJmuiden B.V. |
发明人 |
RIJKENBERG, Rolf, Arjan;AARNTS, Maxim, Peter |
分类号 |
C22C38/00;C21D8/00;C21D8/02;C22C38/02;C22C38/04;C22C38/06;C22C38/12;C22C38/14;C22C38/22;C22C38/24;C22C38/26;C22C38/28 |
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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