General Studies · Gas Welding
Why is a slightly carburizing flame recommended for welding pure aluminium?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To prevent heavy oxidation, as aluminium oxidizes very rapidly at high temperatures✓
- 2To ensure deep penetration, as aluminium requires extra localized heat for fusion
- 3To artificially increase the melting point of aluminium to match steel parameters
- 4To deliberately introduce high amounts of carbon into the core aluminium matrix
Correct answer
To prevent heavy oxidation, as aluminium oxidizes very rapidly at high temperatures
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