发明名称 |
HEAVY WALL STEEL MATERIAL HAVING SUPERIOR WELDABILITY AND METHOD FOR PRODUCING THE SAME |
摘要 |
A tough high strength heavy wall steel material having superior weldability is provided, said steel material has a diameter or a side 5 mm or more in length, and comprises oxides 1 μm or less in particle diameter homogeneously dispersed at a dispersion density in a range of from 10,000 to 100,000 particles/mm2 and uniform ferrite grains 2 μm or less in grain diameter formed over the entire plane making a right angle with respect to the rolling direction.
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申请公布号 |
US2011083775(A1) |
申请公布日期 |
2011.04.14 |
申请号 |
US20100968617 |
申请日期 |
2010.12.15 |
申请人 |
NAKAJIMA HIROSHI;TORIZUKA SHIRO;TSUZAKI KANEAKI;NAGAI KOTOBU |
发明人 |
NAKAJIMA HIROSHI;TORIZUKA SHIRO;TSUZAKI KANEAKI;NAGAI KOTOBU |
分类号 |
C21D8/00;C22C38/00;C21D8/02;C21D8/06;C22C1/10;C22C32/00;C22C33/04;C22C38/04;C22C38/14 |
主分类号 |
C21D8/00 |
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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