Mig Welding Aluminum Chart

Mig welding aluminum poses different challenges than welding mild steel due to the physical and chemical properties of aluminum.

Mig welding aluminum chart.

There are several aluminum mig welding techniques that work ok but the one used in the video is just a slow steady motion. Mig welders such as the millermatic 211 and millermatic 141 are ideal for the occasional welder. Good equipment makes mig welding easier while poor equipment can cost you dearly in frustration and weld quality. Browse suggested weld parameter settings for mig solid wire welding.

Check with your machine manufacturer for any information that may pertain to your welding system. 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. This article is more a general guideline to help the novice welder understand how the various settings will affect your results. Double click on chart to view quick guide for selecting mig wire size and welder amperage for your application.

Mig welder settings charts guides and tables for steel stainless and aluminum lincoln mig welding electrode and gas selection chart settings. Unlike welding with a stick welder mig welding is a semi automatic process. If welding out of position you will want the wire feed speed fast enough to keep the weld full of metal at a. Material thicknesses of aluminum that can be mig welded are 14 gauge and heavier.

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. If you re looking for a machine with multiple welding capabilities we recommend multiprocess welders like the multimatic 215 and multimatic 220 ac dc. Browse suggested weld parameter settings for stick welding tig welding mig solid wire welding and mig flux core welding. In most cases it will take 21 to 23 volts to get the arc to spray transfer.

Mig welder settings can vary substantially from model to model and certainly from brand to brand. To mig weld aluminum thinner than 14 gauge 074 inch it may be necessary to use specialized pulsed mig or ac tig welding equipment. Workpieces made of aluminum are more susceptible to welding defects that will be discussed in further detail below.