Welding Stainless Sheet Metal

Not only do you need to know how to weld stainless but you need to learn how to tack the stuff too.

Welding stainless sheet metal.

Https goo gl frdnss to download the stainless steel welding filer metal selection chart visit. This is especially useful for carbon steel. However even this simple process has its complications. To weld sheet metal with solid wires use electrode positive ep or reverse polarity.

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. In most cases mig welding stainless steel wire and sheet metal forms is pretty simple for marlin s manufacturing team. In the us sheet metal is designated through the gauge the larger the number the thinner the metal. The team programs a mig welding robot to perform the weld and places the workpiece inside.

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. Tig welding is a very slow proce. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Stainless sheet metal fabrication projects can be tricky.

When it comes to welding light gauge sheet metal most would prefer tig. But when it comes to stainless steel or other nickel based metals less heat is needed. For most jobs welding stainless steel you ll want to use 030 inch diameter stainless steel welding wire. For thicker base pieces step up to 035 inch to 045 inch welding wire.

Make sure the fitup is tight with absolutely no gap. It is imperative you consider the shielding gas welding process and electrode before welding 20 gauge sheet metals. Subscribe for new videos every monday and friday. When welding 304 stainless steel er308 er308l and er308lsi wires are compatible but for welding 316l stainless you need a 316l wire.

How to mig weld stainless steel. Most of the thin gauge sheet metal are made from steel stainless steel aluminum or galvanized. With these materials use a tri mix gas 90 helium 8 argon and 2 co 2. Most people are not familiar with this weld method.