发明名称 |
WIRE ROD, STEEL WIRE, AND MANUFACTURING METHOD THEREOF |
摘要 |
The present invention provides a wire rod with a composition at least including: C: 0.95-1.30 mass %; Si: 0.1-1.5 mass %; Mn: 0.1-1.0 mass %; Al: 0-0.1 mass %; Ti: 0-0.1 mass %; P: 0-0.02 mass %; S: 0-0.02 mass %; N: 10-50 ppm; O: 10-40 ppm; and a balance including Fe and inevitable impurities, wherein 97% or more of an area in a cross-section perpendicular to the longitudinal direction of the wire rod is occupied by a pearlite, and 0.5% or less of an area in a central area in the cross-section and 0.5% or less of an area in a first surface layer area in the cross-section are occupied by a pro-eutectoid cementite.
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申请公布号 |
US2013263975(A1) |
申请公布日期 |
2013.10.10 |
申请号 |
US201313898810 |
申请日期 |
2013.05.21 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
YAMASAKI SHINGO;MANABE TOSHIYUKI;HIRAKAMI DAISUKE;MUROGA NARIYASU |
分类号 |
C21D9/52;C22C38/00;C22C38/02;C22C38/04;C22C38/06;C22C38/08;C22C38/10;C22C38/12;C22C38/14;C22C38/16;C22C38/18 |
主分类号 |
C21D9/52 |
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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