AWS ER4043 .035 in (0.9 mm) 1 lb (0.5 kg) Spool Aluminum MIG Wire – 5% Silicon, Smooth Bead, Aluminum, DCEP
Copper Bridge ER4043 is a general‑purpose aluminum MIG wire containing approximately 5 % silicon. The silicon improves the fluidity of the weld pool and reduces hot cracking, producing bright, smooth welds on heat‑treatable aluminum alloys such as 3003, 5052, 6061, 6063 and many cast alloys. This wire is suited to automotive panels, trailer bodies, bicycle frames, marine parts and other aluminum fabrications. Use with pure argon shielding gas on DCEP for...
WARNING: This product can expose you to chemicals including lead, nickel, and chromium, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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909-619-3545Built by the Factory. Stocked in the U.S.
Copper Bridge USA is the official U.S. branch of Jinlong Welding Electrode Co., Ltd., bringing factory-direct welding consumables from large-scale global production to welders across America.
From our Riverside, California warehouse, we stock and ship MIG wire, flux-cored wire, TIG rods, and stick electrodes nationwide — without unnecessary middlemen or long lead times.
Factory-direct. U.S. stocked. Ready to ship.