Material thicknesses of aluminum that can be mig welded are 14 gauge and heavier.
Mig welding aluminum chart.
To start the pictures above and below are the manufacturer s recommended lincoln welders and miller welding equipment voltage wire feed speed settings and gas recommendations.
If welding out of position you will want the wire feed speed fast enough to keep the weld full of metal at a.
For 1 8 thick aluminum unless you have the machine set just right the slow steady bead just builds up too much heat because by the time you reach the edge of the metal its really too hot and leaves a huge crater.
To mig weld aluminum thinner than 14 gauge 074 inch it may be necessary to use specialized pulsed mig or ac tig welding equipment.
If you re looking for a machine with multiple welding capabilities we recommend multiprocess welders like the multimatic 215 and multimatic 220 ac dc.
The settings needed to mig weld aluminum are pretty much the same for all positions.
There are several aluminum mig welding techniques that work ok but the one used in the video is just a slow steady motion.
Unlike welding with a stick welder mig welding is a semi automatic process.
Mig welder settings can vary substantially from model to model and certainly from brand to brand.
Mig welding aluminum poses different challenges than welding mild steel due to the physical and chemical properties of aluminum.
Browse suggested weld parameter settings for stick welding tig welding mig solid wire welding and mig flux core welding.
Browse suggested weld parameter settings for mig solid wire welding.
The output capacity of your welder determines the thickness you can weld.
Workpieces made of aluminum are more susceptible to welding defects that will be discussed in further detail below.
Check with your machine manufacturer for any information that may pertain to your welding system.
Mig welder settings charts guides and tables for steel stainless and aluminum lincoln mig welding electrode and gas selection chart settings.
Lincoln mig welding aluminum setting chart aluminum mig welding settings.
Mig welders such as the millermatic 211 and millermatic 141 are ideal for the occasional welder.
In most cases it will take 21 to 23 volts to get the arc to spray transfer.