Welder Red Seal · Question
In GMAW welding, what is the most common industry designation for a shielding gas mixture of 75% Argon and 25% Carbon Dioxide?
C25 is the common shorthand in the welding industry for a shielding gas blend containing 75% Argon and 25% Carbon Dioxide. It is a versatile, general-purpose ga
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Question: In GMAW welding, what is the most common industry designation for a shielding gas mixture of 75% Argon and 25% Carbon Dioxide?
Answer options:
- Stargon
- C100
- Tri-Mix ✅ C25
Correct answer: C25
Explanation: C25 is the common shorthand in the welding industry for a shielding gas blend containing 75% Argon and 25% Carbon Dioxide. It is a versatile, general-purpose gas for GMAW on mild steel, particularly in the short-circuiting transfer mode.
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