1. copper coated welding wire er70s-6 2. CCS, ABS, TUV, DB, LR, CWB ... ,1.2mm,1.6mm 1. Trustec solid welding wire is recommended for a wide variety of positional MIG ... . Trustec solid welding wire provide low spatter and excellent performance with consistent copper coating ensuring smooth feeding. ER70S-6ClassificationChemical composition ... .Regards,trusTec team... copper coated mig sg2 co2 welding wire