CO2 gas-shielded welding wire (AWS ER70S-6),used for welding low carbon steel and low alloy steel structures,especially for welding of thin plates.This kind of product is made of excellent steel by drawing,straightening and copper coating .It has various characteristics such as open arc,slag-free,good weld ablility,high efficiency,beautiful bead,litter spatter.It is winded in Spool,so that it can be welded automatically or semi-automatically.