Research Article
Effects of Nitride on the Tribological Properties of the Low Carbon Alloy Steel
Table 2
Surface hardness of SCM415 with different composite heat treatments.
| Composite heat treatments | Surface hardness (HRC) |
| Carburizing-tempering | 66.1 | Nitride-carburizing-tempering | 65.8 | Carburizing-nitride | 42.8 |
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