Genuine Hobart® MaxalMig® ER4943 3/64 (.047) diameter aluminum MIG welding wire is formulated to be used in the same welding applications as ER4043, but with a 25% higher ultimate tensile strength (UTS) and 50% higher yield strength in the "as welded" state. ER4943 has moderate to high strength (35 ksi typical), with a low melting temperature and excellent fluidity. It is well-suited for welding 6XXX series aluminum. It is classified as AWS A5.10 ER4943 and is an all-position solid MIG wire with excellent corrosion resistance and low shrinkage rate.