4943 filler metal is a popular aluminum/silicon filler alloy for general purpose welding applications. Features/Benefits: - Moderate strength (28 ksi typical) - Low melting temperature/high fluidity - Low welding smut and discoloration - Low ductility, formability, and lower toughness - Moderate electrical conductivity and thermal conductivity - Excellent corrosion resistance - Low shrinkage rate/reduced distortion - Low hot cracking sensitivity in most applications. Applications Welding 6xxx alloys, automotive/motorcycle frames, sports products - scooters/bicycles, general repair and maintenance.
