ER4043 Spools

ER4043 is a general-purpose, all-position aluminum welding wire used to weld various grades of aluminum; it contains silicon additives, which may improve fluidity of the weld pool and also produces a weld less sensitive to cracking; its bright weld finish makes it a popular choice of welders; shielding gas required, usually 100% Argon.

Conforms to AWS A5.10/ASME SFA A5.10. Available wire diameters: 0.030", 0.035" and 0.045".