Mig Welding Aluminum Settings Chart

You ll need a magnum 100sg spool gun.

Mig welding aluminum settings chart.

To mig weld aluminum thinner than 14 gauge 074 inch it may be necessary to use specialized pulsed mig or ac tig welding equipment. Mig welder settings can vary substantially from model to model and certainly from brand to brand. Again you could buy the 0 035 inch diameter aluminum wire you wanted. Joint design position and other factors affect results and settings.

This article is more a general guideline to help the novice welder understand how the various settings will affect your results. 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. Mig welder settings charts guides and tables for steel stainless and aluminum lincoln mig welding electrode and gas selection chart settings. Mig welding aluminum requires the essential variables to be finely tuned in the ways that are described in further detail down below.

The following basic guidelines are for mig welding steel with solid wire. In most cases it will take 21 to 23 volts to get the arc to spray transfer. There is only one type of current that is compatible with aluminum during the mig welding process. You buy this separately from your lincoln 140.

Aluminum should be thoroughly cleaned prior to welding including the removal of any lubricants from the material. The lincoln 140 setting chart yellow column. Curious about this successful welder s capabilities on aluminum without a spool gun i decided to see for myself before running any steel wire through the new liner. As a guideline each 001 inch of material thickness requires 1 amp of output.

The final column on your settings chart are your settings for mig welding aluminum. But i saw hobart s welding chart included settings to weld 16 and 12 gauge aluminum using 0 030 wire. 125 inch 125 amps. Direct current reverse polarity dcnp is the type of current that is utilized for mig welding aluminum.

If welding out of position you will want the wire feed speed fast enough to keep the weld full of metal at a. Oxide removal should be done after degreasing using a stainless wire brush. Lincoln suggest you use their super glaze aluminum mig wire. When good results are achieved record the parameters.

Material thickness determines amperage. The settings needed to mig weld aluminum are pretty much the same for all positions. Unlike welding with a stick welder mig welding is a semi automatic process.