Title:
FLUX-CORED WIRE FOR ADDITIONAL WELDING, AND WELDING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/019698
Kind Code:
A1
Abstract:
Provided are a flux-cored wire and a welding method which, in additional welding, make it possible to improve the fatigue strength of the weld while keeping the breakage resistance of the weld metal satisfactory. The flux-cored wire for additional welding comprises a steel sheath filled with a flux, and is used in additional welding at a toe of the weld metal used in main welding. The flux-cored wire contains, with respect to the total mass of the wire, 0.2-1.0 mass% Si and 3.0-10.0 mass% Mn, and the contents of C, P, S, and the sum of Cr and Ni have been regulated to 0.1 mass% or less, 0.03 mass% or less, 0.03 mass% or less, and 3.8 mass% or less, respectively.
Inventors:
MIYATA MINORU
SUZUKI REIICHI
YAMAZAKI KEI
NAGAI TAKUYA
SUZUKI REIICHI
YAMAZAKI KEI
NAGAI TAKUYA
Application Number:
PCT/JP2014/065251
Publication Date:
February 12, 2015
Filing Date:
June 09, 2014
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B23K35/30; B23K9/16; B23K9/23; B23K35/368; C22C38/00; C22C38/40
Foreign References:
| JP2012115877A | 2012-06-21 | |||
| JP2013018012A | 2013-01-31 | |||
| JP2013091082A | 2013-05-16 | |||
| JP2013173179A | 2013-09-05 | |||
| JP2014018852A | 2014-02-03 | |||
| JP2013226577A | 2013-11-07 | |||
| JP2003275890A | 2003-09-30 | |||
| JP2003251489A | 2003-09-09 | |||
| JP2004042133A | 2004-02-12 |
Other References:
See also references of EP 3031568A4
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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