Match your rod filler to your welding wire.
Aluminum welding cable.
Er 4043 or er 5356 is ideal for most jobs.
That along with a cylinder of 100 argon welding gas and a small spool of solid aluminum wire is an efficient and reliable method.
Obtain wire that is 3 64 or 1 16 inch diameter.
The more the operator can narrow down the melting range of the metal the easier it will be to weld the alloy.
Select an aluminum filler wire that has a melting temperature similar to the base material.
Hobart h383806 r18 1 pound er5356 aluminum welding wire 0 030 inch.
Argon gas is used as a shield during the welding process.
The requirement to use shielding gas with aluminum welding wire means that you will need a mig welder capable of using shielding gas.
Diameter size of aluminum wire 0 030 or 0 035 for example hobart recommends 0 035 to be used with 1 16 to 1 4 inch thick base metal.
For some jobs a mixture of argon and helium can be used instead but this is very much job dependent.
Mig welding wire for aluminum this er4043 wire is for aluminum 43 356 3003 3004 5052 6061 and 6063.