What Shielding Gas For Mig Welding Mild Steel. Can you MIG weld mild steel with straight argon. In some cases nitrogen N 2 andor hydrogen H 2 can be added to achieve special properties.
The shielding gas prevents unwanted contaminants like oxygen and nitrogen in the air from entering your welding area. In some cases there is tri-mix shielding gas containing 90 Helium 75 Argon and 25Carbon dioxide. MIG Welding Gas for Stainless Steel Welding Welding of stainless steel is typically done with C2 or 2 Carbon Dioxide and 98 Argon.
Welders see it as the best all-around gas MIG welding blend for mild steel.
Each gas has benefits and drawbacks in any given application. Inert gas is used for MIG welding or metal inert gas welding use inert gas as a shielding gas. It is also an inert gas with high ionization potential. There are many types of shielding gas that can be purchased such as.