Welding Gases

Here are a few considerations for choosing shielding gas that will help keep your arc stable:

  • Machine capabilities: Do both your gas and machine support the modes of transfer you plan to complete?
  • Cylinder size: Do you know your cylinder’s approximate size and CGA connection?
  • Base Metal: Are you using the right gas for the material you’re welding?

For more information on these topics, visit the MIG Gas & Equipment Guide page.

WATCH: Get a closer look at the MIG process



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Industrial Grade Argon, Size 300 High Pressure Steel Cylinder, CGA-580 Industrial Grade Argon, Size 300 High Pressure Steel Cylinder, CGA-580

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Industrial Grade Argon, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR 300

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Industrial Grade Carbon Dioxide, Size 200 High Pressure Steel Cylinder, CGA-320

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Industrial Grade Carbon Dioxide, Size 200 High Pressure Steel Cylinder, CGA-320 Industrial Grade Carbon Dioxide, Size 200 High Pressure Steel Cylinder, CGA-320

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Industrial Grade Carbon Dioxide, Size 200 High Pressure Steel Cylinder, CGA-320

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Airgas Part #: CD 50

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Industrial Grade Helium, Size 200 High Pressure Steel Cylinder, CGA-580 Industrial Grade Helium, Size 200 High Pressure Steel Cylinder, CGA-580

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Industrial Grade Helium, Size 200 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: HE 200

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Industrial Grade Argon, Size 125 High Pressure Steel Cylinder, CGA-580 Industrial Grade Argon, Size 125 High Pressure Steel Cylinder, CGA-580

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Industrial Grade Argon, Size 125 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR 125

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Argon Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD2580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 125 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 125 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Argon Industrial Mix, Size 125 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 125 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD25125

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Industrial Grade Helium, Size 300 High Pressure Steel Cylinder, CGA-580 Industrial Grade Helium, Size 300 High Pressure Steel Cylinder, CGA-580

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Industrial Grade Helium, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: HE 300

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 60 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 60 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Argon Industrial Mix, Size 60 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 60 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD2560

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 40 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 40 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Argon Industrial Mix, Size 40 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 40 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD2540

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ARCAL™ Prime Argon, Size 300 High Pressure Steel Cylinder with SMARTOP™, CGA-580

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ARCAL™ Prime Argon, Size 300 High Pressure Steel Cylinder with SMARTOP™, CGA-580

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ARCAL™ Prime Argon, Size 300 High Pressure Steel Cylinder with SMARTOP™, CGA-580

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Airgas Part #: ACLPRIME300SMT

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 200 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 200 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Argon Industrial Mix, Size 200 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 200 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD25200

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8% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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8% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580 8% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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8% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD8300

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ARCAL™ Prime Argon, Size 300 High Pressure Steel Cylinder with EXELTOP™, CGA-580

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ARCAL™ Prime Argon, Size 300 High Pressure Steel Cylinder with EXELTOP™, CGA-580

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ARCAL™ Prime Argon, Size 300 High Pressure Steel Cylinder with EXELTOP™, CGA-580

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Airgas Part #: ACLPRIME300XLT

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ARCAL™ Flux Shielding Gas Mixture 25% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder with EXELTOP™, CGA-580

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ARCAL™ Flux Shielding Gas Mixture 25% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder with EXELTOP™, CGA-580

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ARCAL™ Flux Shielding Gas Mixture 25% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder with EXELTOP™, CGA-580

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Airgas Part #: ACLFLUX300XLT

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Industrial Grade Argon, Size 200 High Pressure Steel Cylinder, CGA-580 Industrial Grade Argon, Size 200 High Pressure Steel Cylinder, CGA-580

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Industrial Grade Argon, Size 200 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR 200

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Industrial Grade Carbon Dioxide, Size 300 High Pressure Steel Cylinder, CGA-320

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Industrial Grade Carbon Dioxide, Size 300 High Pressure Steel Cylinder, CGA-320 Industrial Grade Carbon Dioxide, Size 300 High Pressure Steel Cylinder, CGA-320

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Industrial Grade Carbon Dioxide, Size 300 High Pressure Steel Cylinder, CGA-320

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Airgas Part #: CD 75

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ARCAL™ Flux Shielding Gas Mixture 25% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder with SMARTOP™, CGA-580

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ARCAL™ Flux Shielding Gas Mixture 25% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder with SMARTOP™, CGA-580

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ARCAL™ Flux Shielding Gas Mixture 25% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder with SMARTOP™, CGA-580

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Airgas Part #: ACLFLUX300SMT

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 150 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 150 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Argon Industrial Mix, Size 150 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 150 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD25150

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel 12 Cylinder Cradle, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel 12 Cylinder Cradle, CGA-580 25% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel 12 Cylinder Cradle, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel 12 Cylinder Cradle, CGA-580

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Airgas Part #: AR CD25C23

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ARCAL™ Force Shielding Gas Mixture 18% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder with SMARTOP™, CGA-580

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ARCAL™ Force Shielding Gas Mixture 18% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder with SMARTOP™, CGA-580

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ARCAL™ Force Shielding Gas Mixture 18% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder with SMARTOP™, CGA-580

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Airgas Part #: ACLFORCE300SMT

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