LONGEVITY ER4043 Alloyarc, 0.8mm; 1 lb ER4043 .030" (0.8mm) Aluminum Alloy Welding Wire. Used for MIG welding purposes. Great corrosion resistance against exposure to salt water along with high strength, typically chosen to weld 2XXX, 3XXX and 6XXX series base metals. Another great feature is its resistance to cracking and the fact that it promotes penetration better than other filler metals.
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