发明名称 |
STEEL STRUCTURE FOR HYDROGEN GAS, MEHTOD FOR PRODUCING HYDROGEN STORAGE TANK, AND METHOD FOR PRODUCING HYDROGEN LINE PIPE (AS AMENDED) |
摘要 |
Provided is a steel structure for hydrogen gas such as a hydrogen storage tank or a hydrogen line pipe which achieves a lower fatigue crack propagation rate in a high-pressure hydrogen atmosphere than steels used in the related art and has high hydrogen embrittlement resistance. The steel structure for hydrogen gas, which has high hydrogen embrittlement resistance in high-pressure hydrogen gas, has a steel microstructure including any one of 10% to 95% of bainite on an area-ratio basis, 10% to 95% of martensite on an area-ratio basis, and 10% to 95% of pearlite on an area-ratio basis, with the balance being substantially ferrite. |
申请公布号 |
US2016060738(A1) |
申请公布日期 |
2016.03.03 |
申请号 |
US201414780818 |
申请日期 |
2014.03.28 |
申请人 |
JFE STEEL CORPORATION |
发明人 |
Nagao Akihide;Takagi Shusaku |
分类号 |
C22C38/54;C21D9/08;C21D9/00;C21D6/00;C22C38/50;C22C38/48;C22C38/46;C22C38/44;C22C38/42;C22C38/38;C22C38/32;C22C38/28;C22C38/26;C22C38/24;C22C38/22;C22C38/06;C22C38/04;C22C38/02;C22C38/00;C21D8/10 |
主分类号 |
C22C38/54 |
代理机构 |
|
代理人 |
|
主权项 |
1. (canceled) |
地址 |
Tokyo JP |