... , stainless steel, alloy,steel, copper, titanium, etc 2. WSE series digital welding machine welding thickness is 0.3-10mm3.DC ... copper and other color metal, AC welding for aluminum4.Remote foot pedal controller, adjustable current. FOR YOUR REFERENCE: 1.Suitable for ... steel, stainless steel, alloy,steel, copper, titanium, etc. 2. WSE series digital welding machine welding thickness is 0.3-10mm3.DC ...