发明名称 HOT PRESS FORMED MATERIAL HAVING LESS MICROCRACK
摘要 The present invention relates to hot press moldings for plated steel materials for hot press molding, and more specifically to hot press moldings with suppression of microcracks that can be suitably used for automotive parts, etc. To achieve this purpose, the present invention is characterized by including an oxide layer of a given thickness on the top of a plated layer of the plated steel materials.
申请公布号 KR101406650(B1) 申请公布日期 2014.06.11
申请号 KR20120096627 申请日期 2012.08.31
申请人 发明人
分类号 B21D22/02;B32B15/04;C21D7/13;C23C28/00 主分类号 B21D22/02
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