Common Methods for Welding Stainless Steel

There are several methods for welding stainless steel, but there are three that stand out as the most common amongst professional welders: resistance welding, MIG welding, and TIG welding. 

In this article, we’ll take a brief look at these three methods and discuss the benefits of each approach.

Resistance Welding

Also known as spot welding, resistance welding joins metal parts by sending an electrical current to the joint, which creates a seal from the heat and pressure. This is a relatively fast and simple process that works especially well with metals that have a low melting point. 

Resistance welding is inexpensive and can easily be applied for small and large jobs alike. 

MIG Welding

MIG stands for metal inert gas, referring to the shielding gas used in the welding gun during the arc welding process. MIG welding offers a strong bond between two stainless steel parts and is often less expensive to perform than TIG welding. 

Another benefit is MIG welding’s affinity for a pulsed current supply, which makes it easier for the welder to reach difficult areas on more complicated jobs.

TIG Welding

Like MIG welding, TIG welding is another arc welding process. When welding stainless steel, TIG welding specifically relies on tungsten inert gas to produce a high-quality, longer-lasting weld. 

TIG welding is easily the most common stainless steel welding process, offering the welder a greater deal of control during operation. It’s a slower and more expensive process, but the results are unquestionably superior.

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