It is low, restoration the flux in the flux cored wire null steel crust for gas shield

摘要

PROBLEM TO BE SOLVED: To provide a flux-cored wire for gas-shielded arc welding, a flux-cored wire that enables welding in all positions with good toughness and embrittlement characteristics as a welding material for creep-resisting steels.;SOLUTION: The flux-cored wire for gas-shielded arc welding for creep-resisting steels, in which a flux is filled in a steel sheath and which is used in DC reverse polarity, comprises, based on a total weight of the wire including the steel sheath and the flux, by per cent for total mass of the wire, 1.0-5.0% BaF₂, 0.3-3.0% Al, 0.04-0.15% C, 0.005-0.040% N, 1.0-2.7% Cr, 0.4-1.3% Mo, 0.05-0.5% Si, 0.5-1.5% Mn, and 85-95% Fe, Ni being controlled to be at 0.1% or below.;COPYRIGHT: (C)2008,JPO&INPIT