MIG welding materials and equipment(1) Aluminum â‘  The mechanical properties of aluminum and chemical composition must comply with current national standards. â‘¡ used aluminum factory certificate must have books and materials, and meet the engineering requirements. â‘¢ prepare the scene of aluminum custody and issuance of work.(2) â‘  The aluminum wire welding materials factory certificate must have booksCast Iron Welding Electrode and materials. â‘¡ The aluminum wire must be welded aluminum match. â‘¢ argon gas purity of> 99.95%. â‘£ The welding wire, argon and other welding materials must be used according to regulations and keep it.(3) Equipment semiautomatic MIG welding machine (500A), wire feeder, welding torch, argon and argon gas cylinder flow meter. Angle grinder, stainless steel wire brush, hammer and wrench or other tools should be kept intact working conditions