... years history 3) Raw material: Qingdao Steel mig welding wire AWS ER70s-6 applications:welding carbon steel,500MPa high strength ... steels,welding in cars,building,bridgeCo2 mig welding wire AWS ER70s-6 :1. Properties: Used for welding low ... steels,vehicles,construction, shipbuilding,bridge building, etc.2. Technical data:Tensile strength: 572MPa, yield point: 447MPa, elongation: 29%, AK-V ...