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Aluminum is used in steelmaking to "kill" (deoxygenate) molten steel. Aluminum oxide is used for some surfaces facing molten steel, as it doesn't dissolve.
by pfdietz 2y ago
Aluminum is used in steelmaking to "kill" (deoxygenate) molten steel. Aluminum oxide is used for some surfaces facing molten steel, as it doesn't dissolve.
- kergonath 2y agoIndeed. Aluminium sucks oxygen to form Al2O3 (sapphire), which is very hard, very stable, and melts at 2000°C.