Welding Stainless Sheet Metal

Tig welding is a very slow proce.

Welding stainless sheet metal.

Stainless sheet metal fabrication projects can be tricky. Https goo gl frdnss to download the stainless steel welding filer metal selection chart visit. But when it comes to stainless steel or other nickel based metals less heat is needed. How to mig weld stainless steel.

The team programs a mig welding robot to perform the weld and places the workpiece inside. When it comes to welding light gauge sheet metal most would prefer tig. It is imperative you consider the shielding gas welding process and electrode before welding 20 gauge sheet metals. In the us sheet metal is designated through the gauge the larger the number the thinner the metal.

The best way to estimate the heat input needed for welding is by applying the 1 for 1 rule this means that 1 amp should be used per 1 thousandth 0 001 inch of thickness. Most people are not familiar with this weld method. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Some things that need to be considered include.

Most of the thin gauge sheet metal are made from steel stainless steel aluminum or galvanized. For mig welding stainless steel a shielding gas mixture that s 90 percent helium 7 5 percent argon and 2 5 percent carbon dioxide is generally ideal. With these materials use a tri mix gas 90 helium 8 argon and 2 co 2. For most jobs welding stainless steel you ll want to use 030 inch diameter stainless steel welding wire.

The best way i have found to tack weld stainless steel sheet metal is. Make sure the fitup is tight with absolutely no gap. Not only do you need to know how to weld stainless but you need to learn how to tack the stuff too. Subscribe for new videos every monday and friday.

In most cases mig welding stainless steel wire and sheet metal forms is pretty simple for marlin s manufacturing team. This is especially useful for carbon steel. 1 for 1 rule. For thicker base pieces step up to 035 inch to 045 inch welding wire.