... welding wire Copper coated welding wire, suitable for 100% CO2 and Argon& CO2 mixed gas protective welding with stable feasibility, good welding seams, little spatters and excellent welding ... construction, pressure vessel for semi-auto or automatic gas shielded welding. -- Standard: GB/T: GB/8110: ... as England,Americcan,Germany,Japan,Poland,Russian,Brazil,Canada,Austrialia,Indian,Iran,Singapore etc.-- ...