The ER4043 MIG Aluminum Welding Wire offers reliable performance for welding heat-treatable alloys, including 6XXX series and cast aluminum. Manufactured in Canada, this 5% silicon wire produces a clean, bright weld with excellent wetting characteristics, minimizing the risk of cracking. Suitable for a variety of projects, it’s commonly used in automotive repairs, bicycle frames, truck bodies, trailers, and general equipment welding. With multiple diameter options—.030", .035", and 3/64"—and available in 1, 2, or 5-pack sets, this wire provides flexible choices for any project size. Designed for use with 100% Argon shielding gas, it conforms to AWS A5.10 ER4043 standards. Its consistent feedability and composition make it a dependable option for both professionals and hobbyists.
- Made in North America (Canada) for consistent quality and performance
- 5% silicon content enhances wetting and reduces crack sensitivity
- Available in .030", .035", and 3/64" diameter sizes
- Pack options include 1-pack, 2-pack, or 5-pack to suit various job demands
