Welding Stainless Steel
Alternative gases that you can use are 98 argon and 2 co2 or 98 argon and 2 oxygen mix.
Welding stainless steel. How to tig weld stainless steel. For thicker base pieces step up to 035 inch to 045 inch welding wire. Even though most of the welding machine manufacturers have included a table of materials and voltage settings in the machine it is highly important for you to pick the right kind of gas and electrode wire to be used for mig welding stainless steel. This process also uses shielding gas against contamination but you can weld thinner metals more efficiently.
The most common types for stainless steel welding are stick smaw tig gtaw and mig fcaw or gmaw step 1 safety as with any welding safety is very important. First you must exercise more care and control with regard to heating and cooling stainless steel. Although welding stainless steel may not be as difficult as welding aluminum the metal does have its specific properties that vary from your more common steels. Make sure there is nothing flammable in the area.
For most jobs welding stainless steel you ll want to use 030 inch diameter stainless steel welding wire. To begin a weld set the steel in place over a welding table using clamps and jigs. When mig welding on stainless you usually have three choices of transfer depending on your equipment. Don t skimp on your safety equipment you might regret it.
Spray arc short circuiting or pulsed arc transfer. Mode of metal transfer. Tig welding stainless steel is performed by using a non disposable tungsten electrode with a tig welder for striking up the arc. 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.
Welding produces fumes sparks and smoke that can be harmful. Then join the steel together through mig or tig. Welding stainless steel is not much different from that required in welding standard carbon steel with a few exceptions.