How To Weld Light Aluminum. A MIG welder welding Aluminum correctly spray transfers the wire into the weld. To weld aluminum clamp the aluminum pieces together tightly and use a propane torch to preheat them to a temperature between 300F and 400F.
A torch with more of a pin point would do bette. Getting the tubing hot enough may take 4 to 5 minutes. Choosing a gun and wire feeding system is an important step before MIG welding aluminum.
A MIG welder for Aluminum will do this automatically when.
Gun and wire feeding options. Japan A MIG welded joint between aluminum and steel members is obtained by overlapping the aluminum member and the steel member each other and performing MIG welding using a filler wire positive pole made of a 4000 or 5000 series aluminum alloy on an end face of the overlapped aluminum member wherein the aluminum. So the first advice for TIG welding aluminium is to make sure you use a suitable machine. The torch Im using has a broad flame so its probably not as efficient in heating the specific area for welding.