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Gas Used For Stainless Steel Mig Welding. Ad China Sale Welding Machine. In the United States welders mostly follow three methods for welding stainless steel ie.
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Air that gets into the arc will form air bubbles in the molten metal. 75 Argon 25 Carbon Dioxide 7525 90 Argon 10 Carbon Dioxide 9010 95 Argon 5 Oxygen 955 And many other mixtures. Pure argon is by far the most common gas for root protection of stainless steels.
That was long ago when the first Lincoln SP 125 machine was introduced.
Dragonfly sculpture in stainless and mild steel. You could also fancy a high argon gas 98 for your MIG process. Welding of stainless steel is typically done with mixture of Argon and Carbon Dioxide gasses that can be as low as 2 carbon Dioxide to as high as 25 carbon Dioxide. Air that gets into the arc will form air bubbles in the molten metal.
