AlcoTec Alcoa Altigweld R4043 1/16″ (1.6mm) Aluminum TIG Welding Rods – 10 lb
R4043 is one of the most popular aluminum alloys used in TIG welding due to its excellent corrosion resistance, good fluidity, and low sensitivity to weld cracking. Ideal for general-purpose welding of 6XXX series aluminum alloys.