8-16. Common MIG Shielding Gases
This is a general chart for common gases and where they are used. Many different combinations (mixtures) of shielding gases have been developed over the years. The most commonly used shielding gases are listed in the following table.
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Gas |
| Spray Arc Steel | Short Circuiting Steel | Short Circuiting | Short Circuiting | |
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| Stainless Steel | Aluminum | |||
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Argon |
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| All Positions |
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Argon + 25% CO | 2 | Flat & Horizontal1 Fillet | All Positions |
| All Positions2 |
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CO2 |
| Flat & Horizontal1 Fillet | All Positions |
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| All Positions |
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1Globular Transfer
2Single Pass Welding Only
390% HE +
