How to Weld Stainless Steel

Steel - How to Weld Stainless Steel

Hello everybody. Yesterday, I learned about Steel - How to Weld Stainless Steel. Which may be very helpful for me and also you.

How to Weld Stainless Steel

There are three base ways to learn how to weld stainless steel. Smaw (shielded metal arc) or stick welding, Gmaw, commonly referred to as Mig welding (metal inert gas), and Gtaw (tungsten inert gas) or Tig welding.

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Steel

Stick or Arc welding.

The methods to weld stainless using an arc welder differ slight to that of welding mild steel. commonly a small gauge stainless steel electrode is used for arc welding stainless metals. A protection note of caution, like mild steel there is a coating of slag left on a completed bead, with mild steel the slag needs chipping off, however stainless slag has a propensity to 'ping' off as it cools. This can cause serious eye damage so always wear eye protection using stainless electrodes. Using an arc motor is a relatively easy way to learn how to weld stainless steel

Mig welding stainless steel.

Again a similar process used on mild steel. Obviously you will need to replacement the mig welding wire for stainless steel wire. This is regularly available in 304 and 316 grades. Use 316 grade stainless wires in high corrosion areas and for maritime applications. You will also need to use pure argon gas instead of c02 that is used for mild steel. Mig welding is base in metal fabrication shops.

How to Tig Stainless.

This recipe is the most difficult to learn how to weld stainless steel, however in my plan it is the most satisfying and offers a pure joint in the middle of base metal and filler metal.

Using a tig requires more skill but in a way is similar to using the Oxy-Acetylene gas process. Tig welders use a small hand held torch that carries a tungsten electrode to generate the arc. Tungsten is used as it has an very high melting point. The tungsten tip, when struck to the metal creates the arc and begins the fusion process; at this point a filler rod is introduced to add substance to the joint. This is where the operator needs a steady hand.

Learning how to weld stainless steel comes down to using the strict equipment and choosing the best process for the job. For basic welding of stainless the arc or mig process will suffice, however if you wish a top capability terminate or are constructing an item that requires a clean terminate such as a commercial food mixing component the tig welder is the way to go. As with everything using the strict process and convention will soon get you to expert status in no time.

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