Best Gas For General Mig Welding. The basic gas for MIGMAG welding is argon Ar. Solid Wire Gas is easier to use and produces better quality welds Ive written a separate Blog article called.
When Carbon Dioxide or Oxygen is added to the mixture MIG welding is not technically MIG welding. This mix of gas is ideal for stainless steel welding as it ensures a steady strong and deep weld. For example you can weld mild steel with any of the following shielding gases.
It is the only one that can be used in its pure form without the addition of an inert gas.
Other gasses can be used but they tend to be more expensive. However small additions of oxygen O2 or carbon dioxide CO2 are usually needed to stabilize the arc improve. Its not the cheapest of gas mixes but its well liked because it gives you the person MIG welding at home a nice balance between cost and attractiveness of. By far the most common and best way to use a Mig Welder is with solid wire and a cylinder of gas.