Craftsman 30084N Operation Manual - Page 31
Common MIG Shielding Gases
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6-16. 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. Gas Argon Argon + 25% CO2 CO2 Tri-Mix3 Spray Arc Steel Application Short Circuiting Steel Short Circuiting Stainless Steel Flat & Horizontal1 Fillet Flat & Horizontal1 Fillet All Positions All Positions All Positions2 All Positions Short Circuiting Aluminum All Positions 1 Globular Transfer 2 Single Pass Welding Only 3 90% HE + 7-1/2% AR + 2-1/2% CO2 OM-194 199 Page 28
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OM-194 199 Page 28
6-16.
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.
Application
Gas
Spray Arc Steel
Short Circuiting Steel
Short Circuiting
Stainless Steel
Short Circuiting
Aluminum
Argon
All Positions
Argon + 25% CO
2
Flat & Horizontal
1
Fillet
All Positions
All Positions
2
CO
2
Flat & Horizontal
1
Fillet
All Positions
Tri-Mix
3
All Positions
1
Globular Transfer
2
Single Pass Welding Only
3
90% HE + 7-1/2% AR + 2-1/2% CO
2