... on low alloy steel, stainless steel, aluminum,copper The semiautomatic NZ-500 CO2 welded machine adjusts its voltage by changing the ... ordinary steel, low alloy steel, stainless steel, aluminum, copper etc.NZ-500 Technical DataInput Voltage Three phase 380VDuty Cycle 60/80 ... ×W×H)mm 960×582×860 semiautomatic CO2 welding machine(NZ-500 )