Title:
FLUX-CORED WIRE FOR GAS SHIELD ARC WELDING
Document Type and Number:
Japanese Patent JP2019123017
Kind Code:
A
Abstract:
To provide a flux-cored wire capable of obtaining a weld metal excellent in strength and toughness after PWHT and also excellent in SR crack resistance, and further excellent in weld workability.SOLUTION: There is provided a flux-cored wire for gas shield arc welding including in mass% based on total wire mass, 78% or more Fe, 4-13% TiO, 1.0-2.4% Mn, 1.0-3.0% Cr, 0.2-1.2% Mo, 0.1-0.8% Si, 0.1-1.0% Mg, 0.05-0.25% fluorides (F conversion value), 0.01-0.10% C, 0.003-0.020% V, 0.003-0.020% Nb, less than 100 ppm B, and including the contents of Mn, C and V per total wire mass satisfying the relation of 28×Mn/(390×C+2,370×V)≥0.82.SELECTED DRAWING: None
Inventors:
MURANISHI YOSHIMASA
Application Number:
JP2019004802A
Publication Date:
July 25, 2019
Filing Date:
January 16, 2019
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
B23K35/368; B23K35/30
Domestic Patent References:
| JP2004058086A | 2004-02-26 | |||
| JP2001314996A | 2001-11-13 | |||
| JP2015205288A | 2015-11-19 | |||
| JP2007290016A | 2007-11-08 |
Attorney, Agent or Firm:
Patent business corporation glory patent office