发明授权
- 专利标题: Method for producing a low temperature high strength tough steel
- 专利标题(中): 低温高强韧钢生产方法
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申请号: US495332申请日: 1974-08-07
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公开(公告)号: US3960612A公开(公告)日: 1976-06-01
- 发明人: Katsuo Kaku , Hirofumi Yoshimura , Hiroshi Yada , Naoomi Yamada
- 申请人: Katsuo Kaku , Hirofumi Yoshimura , Hiroshi Yada , Naoomi Yamada
- 申请人地址: JA Tokyo
- 专利权人: Nippon Steel Corporation
- 当前专利权人: Nippon Steel Corporation
- 当前专利权人地址: JA Tokyo
- 优先权: JA48-90871 19730815
- 主分类号: C22C38/00
- IPC分类号: C22C38/00 ; C21D6/00 ; C22C38/08 ; C21D7/14
摘要:
A low temperature high strength tough steel is provided by effecting a series of heat treatments at predetermined temperatures.The steel comprises C, Si, Mn, Ni, Mo, Nb, N, Al, and if necessary, V, Ti, Cr, Ca or Ce in predetermined amounts with the rest iron and unavoidable impurities.
公开/授权文献
- US5640872A Process and device for cooling heated metal plates and strips 公开/授权日:1997-06-24
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