... of J501Fe18,J422,J502,J506,J507 and stainless steel electrode A102 and 431 welding flux.our final ... applied to vehicles, buildings, bridges, shipbuilding, Iron, Steel and pressure vessel industries, and can also be applied ... to high-speed welding for sheet metal and piping..Trade MankDiameterLot NoMfg DateExecutive ... Impact Yalue sg2 Copper welding wire for mild steel Made In China