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    Shandong Zhongnuo Plate Co.,Ltd.

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Carburizing alloy steel heat treatment and organizational performance

Edit: Shandong Zhongnuo Plate Co.,Ltd    Date: Sep 07, 2015

Hardened steel alloy heat treatment process are generally direct quenching after carburizing, and then tempering. After the heat treatment, the tissue surface carburized layer alloy cementite + tempered martensite + a small amount of residual austenite, hardness 60HRC ~ 62HRC. Heart tissue and hardenability and steel parts cross-sectional dimension is related entirely when quenching low-carbon tempered martensite, hardness 40HRC ~ 48HRC; in most cases is troostite, tempered martensite and a small amount of iron ferrite, hardness 25HRC ~ 40HRC. Heart toughness are generally higher than 700KJ / m2.

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