... wire with good plasticity,and for gas protective or argon arc welding.Aluminum alloyER5183Good corrosion resistance and high strength,for ... weldability,plasticity and corrosion resistance,for gas protective or argon arc welding.ER4047It is mainly used for brazing and soldering. ... ER4043Good corrosion resistance ,wide application,gas protective or argon arc welding .Not suitable to weld high,Mg alloy.