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D5D D5E BF4M1013 Crankshaft 04256816 04294257
Our material of the 04256816 crankshaft has high strength, impact toughness and wear resistance. The crankshaft is forged with #40 chrome, and the heat treatment adopts quenching and tempering, high temperature tempering after quenching. Such materials have high comprehensive mechanical properties, and the surface of the shaft diameter is surface quenched to improve surface hardness and wear resistance.
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