发明名称 STEEL SHEET FOR HOT PRESSING USE, METHOD FOR PRODUCING SAME, AND HOT PRESS STEEL SHEET MEMBER
摘要 A steel sheet for hot stamping includes a predetermined chemical composition containing: C: 0.08% or more and less than 0.20%; Si: 0.003% to 0.2%; Mn: 1.6% to 3.5%, and others, and further includes a steel structure expressed by, in an area ratio: bainite: 1% to 95%; ferrite: 5% to 94%; and balance: one or more selected from the group consisting of pearlite, martensite and retained austenite. When an Mn content is represented by [Mn], a C content is represented by [C], an expression of "[Mn] + 6.67 × [C] - 2.73 ‰¥ 0" is satisfied.
申请公布号 EP2886674(A4) 申请公布日期 2016.11.30
申请号 EP20130829271 申请日期 2013.08.15
申请人 NIPPON STEEL & SUMITOMO METAL CORPORATION 发明人 TAMAKI, AKARI;HIKIDA, KAZUO
分类号 C22C38/00;B21D22/20;C21D1/18;C21D9/00;C21D9/46;C22C38/06;C22C38/58;C23C2/02;C23C2/06;C23C2/28 主分类号 C22C38/00
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