发明名称 |
Hot bar cooling |
摘要 |
A steel rod or bar comprises an outer surface layer of ferrite-pearlite type structure, an annulus immediately below said surface layer having an acicular micro-structure comprising martensite and/or bainite and a core of bainite or martensite or ferrite and carbides or a combination of two or more of these constituents.
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申请公布号 |
US4146411(A) |
申请公布日期 |
1979.03.27 |
申请号 |
US19780868056 |
申请日期 |
1978.01.09 |
申请人 |
BRITISH STEEL CORPORATION |
发明人 |
DEWSNAP, RONALD F.;BEARD, DAVID E. |
分类号 |
C21D1/02;C21D1/19;(IPC1-7):C21D1/78;C21D7/14 |
主分类号 |
C21D1/02 |
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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