... with not only flame cutting and welding, but also electric arc welding, argon arc weld and plasma cutting ... NC automatic cutting, flame spray, flame prcessing, electric arc welding, flame ( gas) welding, stainless steel cutting and etc..Enviroment temperature: ... Electric current range for electric arc welding: 60 - 630 A;Unload voltage for electric arc welding: 60 - 75 A;Min.electric arc welding ...