ER4043 is a general-purpose type aluminum welding wire. It contains silicon additives, which result in improved fluidity (wetting action) of the weld pool and also produces a weld less sensitive to cracking. Its bright weld finish makes it a popular choice of welders. It can be used to weld various grades of aluminum.
The Hobart welding wire contains silicon additives for improved fluidity/wetting action of the weld pool
Silicon additives also produce a weld less sensitive to cracking for durability
The bright weld finish of this aluminum welding wire makes it a popular choice among welders
The welding wire can be used to weld various grades of aluminum for versatility