Klutch Er4043 Aluminum Mig Welding Wire 1-Ib Spool, Size 0.030-In. (5018091)

Klutch ER4043 aluminum MIG welding wire is a general-purpose aluminum welding wire. It is one of the oldest and most widely used welding and brazing alloys. It contains silicon additives, which result in improved fluidity (wetting action) of the weld pool and a weld that's less sensitive to cracking. Its bright weld finish makes it a popular choice of welders. This wire can be used to weld various grades of aluminum.

Contains silicon additives which result in improved fluidity (wetting action) of the weld pool
Results in a weld less sensitive to cracking
All-position welding