... ;4.Second-ranking traces small, the welding deformation;5.-ranking welding scope, suitable for welding of carbon steel, stainless steel, copper ... above;Operation is simple, convenient, had to learn;9.Welding torch choose imported from Germany itself to micromanage switch, life, ... -cooledDegree of protectionIP23Welding stud length(mm)Standard 5---35Stud welding range(stud diameter mm/ Type of metal3—8/ ...