Title:
GALVANIZED STEEL EXCELLENT IN LASER WELDABILITY, AND WELDING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2005111541
Kind Code:
A
Abstract:
To provide a laser welding method of a galvanized steel, and to provide the galvanized steel for laser beam welding.
In the laser welding method of galvanized steel of deposition of ≥10 g/m2 in terms of Zn for one side, iron base materials of 30-400 μm in diameter are deposited by 10-250 g/m2 in a range within 10 mm on both sides at least along a welding line of the galvanized steel before the welding. The galvanized steel for laser welding is subjected to this pre-treatment.
Inventors:
KUROSAKI MASAO
MIYAZAKI YASUNOBU
MIYAZAKI YASUNOBU
Application Number:
JP2003350778A
Publication Date:
April 28, 2005
Filing Date:
October 09, 2003
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
B23K26/32; C23C2/06; B23K101/16; B23K103/04; (IPC1-7): B23K26/00; C23C2/06
Attorney, Agent or Firm:
Shiina Akira
Etsuichi Matsumoto
Etsuichi Matsumoto