Title:
HOT PRESSING STEEL SHEET
Document Type and Number:
Japanese Patent JP2015168881
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a hot pressing steel sheet in which liquid metal brittleness cracking is hard to be generated even in hot pressing conditions having a short carrying time for the purpose of the improvement of productivity, and excellent in liquid metal brittleness resistance.SOLUTION: This invention relates to a hot pressing steel sheet, comprising: a first plating layer comprising P of 1-20 mass%, and the balance Ni with inevitable impurities, wherein coating weight per side is above 5 to 50 g/m, on the surface of a steel sheet; and a second plating layer comprising 9 to 25 mass% of Ni, and the balance Zn with inevitable impurities, wherein coating weight per side is 10 to 90 g/m, on the upper layer of the first plating layer.
Inventors:
MORIMOTO MINAKO
NAKAJIMA SEIJI
ANDO SATOSHI
NAKAJIMA SEIJI
ANDO SATOSHI
Application Number:
JP2014047243A
Publication Date:
September 28, 2015
Filing Date:
March 11, 2014
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
C25D5/26; C22C18/00; C22C19/03; C22C38/00; C25D5/12
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori
Kazuhiro Mori