Hobart Multi-Handler 200 Owner's Manual page 64

12-16. Common GMAW (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
Spray Arc
Steel
Argon
Flat &
Argon + 1% O Horizontal
2
Fillet
Flat &
Argon + 2% O Horizontal
2
Fillet
Flat &
Argon + 5%
Horizontal
CO
2
Fillet
Flat &
Argon + 10%
Horizontal
CO
2
Fillet
Argon + 25%
CO
2
Argon + 50%
CO
2
CO
2
Helium
Argon +
Helium
90% HE +
7-1/2% AR +
2-1/2% CO
2
65% AR + 33%
HE + 2% CO
2
1 Heavy Thicknesses
Short Spray Arc
GMAW-P
Circuiting Stainless
Steel
Steel Steel
All
Positions
Flat &
All
Horizontal
Positions
Fillet
Flat &
All
Horizontal
Positions
Fillet
All
Positions
All All
Positions
Positions
All
Positions
All
Positions
All
Positions
Application
Short
GMAW-P
Circuiting Spray Arc
Stainless
Stainless Aluminum
Steel
Steel
Positions
Positions
Positions
All
Positions
All
Positions
Short
GMAW-P
Circuiting
Aluminum
Aluminum
All All All
Positions Positions
All
1
All
1
OM-285922 Page 61