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The Al2O3 content in the ceramic layer of wear-resistant elbow lining exceeds 95%, and the microhardness is hv1000-1500, so it has very high wear resistance. Its wear resistance is more than ten times higher than that of quenched medium carbon steel, which is better than that of tungsten drill cemented carbide. Wear resistant elbow has good strength, plasticity and weldability.
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