发明名称 Steel sheet excellent in workability
摘要 The present invention provides a steel sheet excellent in workability, which may be used for components of an automobile or the like, and a method for producing the same. More specifically, according to one exemplary embodiment of the present invention, a steel sheet excellent in workability, including in mass, 0.08 to 0.25% C, 0.001 to 1.5% Si, 0.01 to 2.0% Mn, 0.001 to 0.06% P, at most 0.05% S, 0.001 to 0.007% N, 0.008 to 0.2% Al, at least 0.01% Fe. The steel sheet having an average r-value of at least 1.2, an r-value in the rolling direction of at least 1.3, an r-value in the direction of 45 degrees to the rolling direction of at least 0.9, and an r-value in the direction of a right angle to the rolling direction of at least 1.2.
申请公布号 US8052807(B2) 申请公布日期 2011.11.08
申请号 US20080185423 申请日期 2008.08.04
申请人 NIPPON STEEL CORPORATION 发明人 YOSHINAGA NAOKI;FUJITA NOBUHIRO;TAKAHASHI MANABU;HASHIMOTO KOJI;SAKAMOTO SHINYA;KAWASAKI KAORU;SHINOHARA YASUHIRO;SENUMA TAKEHIDE
分类号 C22C38/02;C21D8/02;C21D8/04;C21D9/48;C22C38/00;C22C38/04;C22C38/06 主分类号 C22C38/02
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