Spot Welding Thin Sheet Metal

Do not try to run a bead from one end to the other.

Spot welding thin sheet metal.

While replacing body panels overheating and warping thin sheet metal is common. In this article we are taking a look at how people should go about welding sheet meta l what kind of wire and shielding gas need to be used. This is because the strength of the joints depends on the number and size of the weld. Thus spot welding diameters go from 3mm to.

Stainless steel are used in applications such as hvac automotive mobile machinery guards and cabs and small parts as well as stainless steel food service and processing. Use a 6013 7018 6011 or 6010 welding rod. You can use a welding rod of any size as long as it works with your welder. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.

Forget the larger 1 8 inch tungsten electrode and use a smaller one. Avoid warping the sheet metal. Some bodymen prefer to pause after each short weld bead then hammer the weld if you can get a dolly behind the patch to help relax the panel back to its natural shape. Carbon steel and 18 ga.

Learn how to mig weld automotive sheet metal in about 5 minutes or less. Keep in mind that a bigger rod is going to weld a larger area than a smaller rod. Everyone is different but those settings will get you in the right ballpark to weld sheet metal. The ration of thickness should not exceed 3 1mm.

I keep it short and to the point in this welding instructional video and show how ve. When it comes to welding thin sheet metal like car body panels if you are not experienced and skilled enough then you can easily create a mess as blow holes in the sheet and make the metal useless. For 3 32 7018 s it s about the same. Just grab a piece of sheet metal to get the heat set correctly and go to town.

Tig welding sheet metal. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Its primary usage is in welding auto body and sheet metal. Select your welding rod based on the size of the metal.

There are no unique or galvanized steel specific tools or materials that you need.