Title:
METHOD FOR ARC-WELDING GALVANIZED ULTRA-HIGH TENSILE STRENGTH STEEL
Document Type and Number:
Japanese Patent JP2007253160
Kind Code:
A
Abstract:
To provide a method for arc-welding a galvanized ultra-high tensile strength steel having a tensile strength of 1.2 GPa or more, which method can achieve high joining strength, and can reduce the dispersion of the joining strength.
The galvanized ultra-high tensile strength steel is welded in such a manner that a penetration depth I in welding is 20% or more of the thickness L of the galvanized ultra-high tensile strength steel.
COPYRIGHT: (C)2008,JPO&INPIT
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Inventors:
MORIMOTO TOMOYA
TAIYAMA MASANORI
TAIYAMA MASANORI
Application Number:
JP2006076889A
Publication Date:
October 04, 2007
Filing Date:
March 20, 2006
Export Citation:
Assignee:
TOYOTA BOSHOKU CORP
SUMITOMO METAL IND
SUMITOMO METAL IND
International Classes:
B23K9/23; B23K103/16
Domestic Patent References:
| JPH06285676A | 1994-10-11 | |||
| JPH0633265A | 1994-02-08 | |||
| JPH01123091A | 1989-05-16 | |||
| JPH04178271A | 1992-06-25 |
Attorney, Agent or Firm:
Okada International Patent Office