Physics · Gas Properties and Applications
In gas tungsten arc welding (GTAW), Argon is primary utilized as a shielding gas because of its:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1High calorific value in standard atmosphere
- 2High flammability under welding currents
- 3Ability to significantly lower the melting point of the metal
- 4Extremely low chemical reactivity with hot metals✓
Correct answer
Extremely low chemical reactivity with hot metals
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