High Strength And Toughness 42crmo4 Material Hardness Model - China

42CrMo4 material hardness characteristics are as follows:

- **Hardness after quenching and tempering**: After quenching and tempering, the hardness of 42CrMo4 material is usually between **55-62 HRC** (Rockwell C scale)[2][4].

This hardness makes it suitable for high stress and wear applications.

- **Other hardness ranges**:

- In the case hardened state, 42CrMo4 can achieve a surface hardness of **54-59 HRC**.

- After normalization, the hardness can reach about **300 HB**, which is still a common hardness level for machining.

**Summary**

DIN 42CrMo4 alloy steel has excellent strength and toughness.

After appropriate heat treatment, it can achieve a high hardness and is suitable for various industrial applications, including the automotive and mechanical engineering fields.

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