Welding On Stainless Steel Sheet

How to mig weld stainless steel.

Welding on stainless steel sheet.

Stainless steel is generally helpful in welding. 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. Not only do you need to know how to weld stainless but you need to learn how to tack the stuff too. Austenitic stainless steel or so called 300 series is the most common type of stainless steel used in workshops for welding.

Some things that need to be considered include. Austenitic stainless steel does not need any preheating but has a maximum interpass temperature of 350 degrees fahrenheit. In resistance welding lower current can be used because resistivity is higher. Stainless sheet metal fabrication projects can be tricky.

Stainless steels which require special welding procedures are discussed in later sections. However even this simple process has its complications. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. The team programs a mig welding robot to perform the weld and places the workpiece inside.

The answer to your first question is yes you can mig weld thin gauge stainless steel in a short circuit mode with compact type 120v or 230v input power mig welders see example in figure 1 the machine would have the same amperage and resulting material thickness capability with stainless steel as it does with carbon steel. To begin a weld set the steel in place over a welding table using clamps and jigs. For thicker base pieces step up to 035 inch to 045 inch welding wire. Then join the steel together through mig or tig welding.

Tack weld stainless steel quick like this read on. When welding 304 stainless steel er308 er308l and er308lsi wires are compatible but for welding 316l stainless you need a 316l wire. Https goo gl frdnss to download the stainless steel welding filer metal selection chart visit. Make sure the fitup is tight with absolutely no gap.

Welding is a way to combine pieces of stainless steel together for repair work and even craft projects. 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. The best way i have found to tack weld stainless steel sheet metal is. In most cases mig welding stainless steel wire and sheet metal forms is pretty simple for marlin s manufacturing team.

Subscribe for new videos every monday and friday. In addition to welder skill and equipment availability the application priorities cost productivity and bead appearance for example influence which stainless steel welding process fabricators ultimately choose.