wire welding ISO9001,TUV,DB,CE 0.8,0.9,1.0, ... alloy steel with strength grade of 500MPa (e.g. the welding of vehicle, bridge, construction, and mechanical structure etc), also applicable ... to high speed welding of thin plates and pipes etc.Feature:1. stable arc2 ... /S(MPa)Y/S(MPa) A(%)Akv(J)shielded gas5504302885CO2 CO2 mig welding wire