发明名称 PLATED STEEL SHEET FOR HOT PRESSING, PROCESS FOR HOT-PRESSING PLATED STEEL SHEET AND AUTOMOBILE PART
摘要 The purpose of the present invention is to provide: a plated steel sheet for hot pressing, said plated steel sheet having a smaller coating quantity and nevertheless exhibiting excellent lubricity, and being capable of ensuring improvement in the formability and productivity in hot pressing and improvement in the chemical convertibility in chemical conversion treatment subsequent to the hot pressing; a process for hot-pressing a plated steel sheet; and an automobile part produced by the process. The purpose can be attained by providing, on one or both surfaces of a steel sheet, both an Al deposit layer which comprises Al as an essential component and further contains one or more elements selected from among Mg, Ca, Sr, Li, Na and K in a total amount of 0.02 to 2mass% and a surface coating layer which is laminated on the Al deposit layer and which comprises ZnO as an essential component.
申请公布号 WO2014171417(A1) 申请公布日期 2014.10.23
申请号 WO2014JP60588 申请日期 2014.04.14
申请人 NIPPON STEEL & SUMITOMO METAL CORPORATION 发明人 MAKI, JUN;YAMANAKA, SHINTARO;KUROSAKI, MASAO
分类号 C23C2/12;B21D22/20;C22C21/00;C22C21/06;C22C38/00;C22C38/14;C23C2/28;C23C28/00 主分类号 C23C2/12
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