Harris® ER4043 1/8 Diameter Aluminum TIG Welding Wire 10# Box 040436010 lb. box of 36 inch lengths -
Harris® ER4043 1/8 diameter aluminum TIG welding wire is qualified to AWS A5.10 R4043, ABS, ISO Designation AISi5. 4043 is a 5% silicon alloy
used to weld heat treatable base alloys. It is most often used to weld the 6XXX series
of alloys. The silicon addition improves puddle fluidity, producing an appealing bead
profile. It is less crack sensitive on the 6XXX series than other welding alloys. Common
applications are automotive parts, truck trailers, bicycles. Also ideally suited for brazing
thin aluminum sheet and tubing.