ED700115 - Lincoln SuperGlaze 4043 0.035 Aluminum MIG Wire 20lb Spool

Premium Aluminum MIG Wire for Reliable Fabrication

The Lincoln Electric SuperGlaze 4043 .035" 20 lb Spool is a top-tier choice for industrial aluminum welding applications. Designed with the welder's productivity in mind, this wire features Lincoln's proprietary SuperGlaze manufacturing process. This technology ensures an ultra-smooth surface finish that significantly reduces friction as the wire travels through the gun liner and contact tip. For fabrication shops, this means fewer feedability issues, less downtime clearing clogged liners, and a more consistent arc throughout the workday.

The ER4043 alloy is a universal favorite for general purpose aluminum welding. It contains 5% silicon, which lowers the melting point and increases the fluidity of the weld pool. This makes it exceptionally easy to work with, allowing the puddle to wet out smoothly at the toes of the weld for a flat, aesthetically pleasing bead profile. It is particularly effective when welding 6xxx series aluminum alloys, such as the common 6061, found in everything from automotive parts to structural frames.

One of the standout benefits of this wire is its resistance to cracking. The chemical composition is formulated to minimize hot cracking sensitivity, a common challenge in aluminum welding. Whether you are repairing cast aluminum parts or fabricating new bicycle frames, the SuperGlaze 4043 delivers high-quality results with a bright, clean finish that requires minimal post-weld cleaning. The 20 lb spool size is ideal for high-volume production environments using industrial wire feeders.

Key Applications

• Automotive components and frames


• Bicycle frames and recreation equipment


• General aluminum fabrication


• Welding 6061-T6 structural aluminum