Welding Stainless Steel Sheet Metal

For these types of materials a tri gas mixture is recommended which consists of 90 helium 8 argon and 2 co2.

Welding stainless steel sheet metal.

In most cases mig welding stainless steel wire and sheet metal forms is pretty simple for marlin s manufacturing team. Less welding heat is required to make a weld because the heat is not conducted away from a joint as rapidly as in carbon steel. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. With these materials use a tri mix gas 90 helium 8 argon and 2 co 2.

Not only do you need to know how to weld stainless but you need to learn how to tack the stuff too. Stainless steel is generally helpful in welding. Some things that need to be considered include. Furthermore if you plan to weld stainless steel er308 er308l and er308lsi welding wire are best used.

The team programs a mig welding robot to perform the weld and places the workpiece inside. When deciding on this filler metal and process fabricators should weigh the upfront cost versus the productivity gains and the potential reduction in rework and cleanup. Although metal cored welding produces less spatter than other forms of wire welding the price per pound for the stainless steel filler metal is the highest. When welding 304 stainless steel er308 er308l and er308lsi wires are compatible but for welding 316l stainless you need a 316l wire.

Stainless sheet metal fabrication projects can be tricky. Make sure the fitup is tight with absolutely no gap. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. In resistance welding lower current can be used because resistivity is higher.

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. The best way i have found to tack weld stainless steel sheet metal is. However even this simple process has its complications.

How to mig weld stainless steel.