... . Such as aluminium,stainless steel, soft steel, carbon steel, cooper WSE Series ac/dc tig welding machine1.Combining AC and DC ... steel, soft steel, carbon steel,cooper, alnico and aluminium etc.WSE-315 Technical DataInput power voltage(frequency) three phase 380∨ ±10% 50 ... 0-5Suitable welding thickness(mm) 0.5-12Packing: Standard carton WSE-315 ac/dc tig welding machine