... Diameter:0.8,1.0,1.2,1.6mm 5kg or 15kg/spool co2 copper coated welding wire ISO9001:2008 material ... and excellent welding process properties.Application:Used to weld ship building steel ( A , B , D , E , A36 , D36 , E36 ) and ... mild alloy steel , such as container building , construction machine , railway construction , pressure vessel for semi-auto or automatic gas shielded welding. Wire Size Spool ...