... .2mm, 1.6mm 3. the spool of 1kg, 5kg, 10kg, 15kg, 20kg ER70S-6 welding wire/Co2 gas shielded welding wireModel series ... , 5kg, 10kg, 15kg, 20kgTIG: the box of 2.5kg, 5kg, 10kg, 20kgChemical components of solder wire(%): C Mn Si S P Cu 0 ... solder wire is suitable for CO2 shielded welding of low carbon steel and low alloy steel,particularly it is suitable for welding rolling ...