Welding Aluminium Mig Settings. To perform correctly without being distorted keep in mind the following features. Setting Up for Aluminium Welding Aluminium welding is possible with just about any MIG welder but aluminium wire is much weaker more sticky and expands more than steel wire so youll need to take a few steps to set up the welder to prevent wire feed problems.
Having said that with the right set up most Mig Welders can be used for welding aluminium more or less provided theyre set up correctly. There are a variety of other machine settings that must be finely-tuned for the weld to be successful. Holding the tip closer than recommended could lead to the wire burning back to the contact tip and other feeding problems.
Carbon Steel AMPS Chart Stainless Steel and Aluminium AMPS Chart.
Setting Up for Aluminium Welding Aluminium welding is possible with just about any MIG welder but aluminium wire is much weaker more sticky and expands more than steel wire so youll need to take a few steps to set up the welder to prevent wire feed problems. Use higher flow rates for MIG welding Aluminum 40 - 60 cfhr for argon. Here is a chart that summarizes the MIG welding amps according to the three most common types of metal and their thickness. Typically MIG settings are at 20 to 25 cubic feet per hour.