Harris 4043 Aluminum MIG Welding Wire is qualified to AWS A5.10 ER4043, ABS, ISO Designation AISi5. 4043 is an all position 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.
Argon/Helium mixes for 1 inch + thick plate
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