Title:
ARC SPOT WELDING METHOD, AND WELDING WIRE
Document Type and Number:
WIPO Patent Application WO/2018/025904
Kind Code:
A1
Abstract:
The present invention pertains to: a method for arc spot welding a steel plate having a carbon equivalent CeqBM of 0.35 or more (the carbon equivalent CeqBM is defined in the specification) and containing 0.35 mass% or more of C, the method being characterized by forming a weld metal having a structure in which the proportion of an austenitic structure exceeds 80%; and a welding wire suitable for being used therefor. According to the arc spot welding method, brittle fracture can be prevented and high joint strength can be obtained even when the C content in the steel plate is high.
More Like This:
Inventors:
YASHIMA TAKASHI
SUZUKI REIICHI
MIYATA MINORU
SUZUKI REIICHI
MIYATA MINORU
Application Number:
PCT/JP2017/028015
Publication Date:
February 08, 2018
Filing Date:
August 02, 2017
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C22C38/00; B23K9/00; B23K9/007; B23K9/23; B23K35/30; C22C38/58
Domestic Patent References:
| WO2015016287A1 | 2015-02-05 |
Foreign References:
| JP2013010139A | 2013-01-17 | |||
| JP2006068796A | 2006-03-16 | |||
| JPH07241668A | 1995-09-19 | |||
| JP2013010139A | 2013-01-17 | |||
| JP2016154054A | 2016-08-04 |
Other References:
See also references of EP 3498874A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
Download PDF: