abstract |
The welding metal of the present invention uses flux cored wire to be formed by gas shield welding, and it has chemical composition composition of regulation, containing the Ti of more than 20%, diameter of equivalent circle: 0.15~1.0 μm containing Ti oxide particle 5000/mm of existence 2 Above, and the V amount often welding total metal mass existed as compound in welding metal is more than 0.002%, and is below 15nm containing the average equivalent circular diameter of V carbide present in the welding metal. |