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    Zheng Xiaojun. INVESTIGATION OF CRACK-CAUSED OUT-OF-WORK 42CrMo STEEL MANDREL[J]. STEEL PIPE, 1997, 26(4): 55-56.
    Citation: Zheng Xiaojun. INVESTIGATION OF CRACK-CAUSED OUT-OF-WORK 42CrMo STEEL MANDREL[J]. STEEL PIPE, 1997, 26(4): 55-56.
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    INVESTIGATION OF CRACK-CAUSED OUT-OF-WORK 42CrMo STEEL MANDREL

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      • Abstract
    • Circular cracks developed on the surface of the 42CrMo steel mandrel after induction quenching/tempering. With the macro and micro analysis of the crack area's structure, the causes responsible for the said cracks have been found.
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