welding wire AWS ER70S-6 1.high quality steel,smooth copper coating,excellent welding performance 2.Size: 0.8mm, 1.0mm,1.2mm welding wire AWS ER70S-6 Description: The product is a CO2 gas shielded welding wire, which is made of excellent steel by drawing, straightening and copper coating. It has various characteristics such as open arc, slag-free, good weld ability, high efficiency, beautiful ...