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Al₂O₃-C Immersion nozzles

Al₂O₃(%)≥35~50; C(%)≥18~25
Cold rupture strength(MPa)≥4.0~5.5
Thermal shock resistance (1100℃ water, Times) ≥5

Application:

Al₂O₃-C immersion nozzles as continuous casting refractories can ensure the liquid steel gotten outta tundish is not exposed to the air, so as to prevent flow scattering of liquid steel, reduce the liquid steel inclusion into the copper mould tube, and protect liquid steel from oxidation.

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