Bad Sheet Metal Weld

In this video im showing you the process i use to do small rust repairs where a complete panel.

Bad sheet metal weld.

Everyone is different but those settings will get you in the right ballpark to weld sheet metal. While sheet metal is primarily a tig welding job there are times when it s handy to have an available mig welder to fuse sheet metal. The rest is up to what way you are doing your welding and what results you want to achieve but it is also essential to take proper safety measures as well. To recap firstly you should never haste or go too fast when it comes to how to weld auto body sheet metal.

Sometimes even professional welders may have trouble in welding thinner materials. For cv mig welding on sheet metal wire diameters of 035 inch are recommended. A good heat setting for 1 8 6011 rods on thin material is about 80 90 amps. Novice welders need to understand that every material demands a different approach.

For 3 32 7018 s it s about the same. Here s a few tips on repairing rust holes in car body panels. Excessive grain growth or the presence of hard spots cannot be determined visually. When welding sheet metal the main thing to look out is to prevent warping and burn through.

Also clean the metals before even starting to avoid the build up of oxide layers. Lap welds because they cannot flex like the sheet metal around them will eventually show visible creases. It s one of the highest quality machines available and comes incredibly low priced. Sheet metal is a lot thinner than other materials that one needs to weld so a completely different approach is needed.

Mig welding sheet metal always use the smallest wire diameter possible since smaller wires take less heat to melt and heat the metal less. Even professional welders can create excessive heat affected zones and burn through while welding sheet metal. Signs of a bad weld include. Take the time for proper fit up proper tight part fit up is especially important when welding thin materials.

A 100 argon shielding gas is the most common in mig welding aluminum sheet metal. It requires a lot of experience patience and skill to get the desired results. This is due to many factors that came into play. The hobart handler 140 mig is the best affordable mig welder for sheet metal.

Gaps between the pieces to be welded can contribute to warpage.