Spot Welding Thin Sheet Metal

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.

Spot welding thin sheet metal.

This is because the strength of the joints depends on the number and size of the weld. Keep in mind that a bigger rod is going to weld a larger area than a smaller rod. The ration of thickness should not exceed 3 1mm. Avoid warping the sheet metal.

Forget the larger 1 8 inch tungsten electrode and use a smaller one. Carbon steel and 18 ga. 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. Thus spot welding diameters go from 3mm to.

Everyone is different but those settings will get you in the right ballpark to weld sheet metal. 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. Select your welding rod based on the size of the metal. Gas metal arc welding gmaw is an effective method for joining light gauge metals such as carbon steel and austenitic stainless steel.

A good heat setting for 1 8 6011 rods on thin material is about 80 90 amps. I keep it short and to the point in this welding instructional video and show how ve. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Tig welding sheet metal.

Just grab a piece of sheet metal to get the heat set correctly and go to town. Do not try to run a bead from one end to the other. Spot welding is usually used to join a panel of overlapping sheet metal parts that are usually 3mm thick. Learn how to mig weld automotive sheet metal in about 5 minutes or less.

You can use a welding rod of any size as long as it works with your welder. Use a 6013 7018 6011 or 6010 welding rod. 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. For 3 32 7018 s it s about the same.

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