Patent ID: 6940042

Claim:
A flux-cored wire for gas-shielded arc welding comprising: a steel sheath, and a flux filled in the steel sheath; wherein the flux-cored wire has, on the basis of the total mass of the flux-cored wire, a C content of 0.20% by mass or below, a Si content in the range of 0.06 to 1.10% by mass, a Mn content in the range of 0.55 to 1.60% by mass, a Cr content of 2.60% by mass or below, a Mo content in the range of 0.30 to 1.50% by mass, a Mg content in the range of 0.20 to 1.50% by mass, a N content in the range of 0.005 to 0.035% by mass and a B content in the range of 0.001 to 0.020% by mass the flux has, on the basis of the total mass of the flux-cored wire, a TiO 2 content in the range of 4.2 to 8.2% by mass and a fluorine compound content in terms of F content in the range of 0.025 to 0.55% by mass, and the flux-cored wire has, on the basis of the total mass of the flux-cored wire, an Al content of 0.50% by mass or below, a Nb content of 0.015% by mass or below, and a V content of 0.015% by mass or below.