Strength Comparison Of 30crnimo8 Steels And Other Alloy Materials - China

30CrNiMo8 steels (DIN 1.6580) is a high-strength alloy structural steel with good mechanical properties.

Compared with other alloy steels, 30CrNiMo8 steels have outstanding strength and toughness.

The following is a strength comparison with several common alloy steels: ## **Strength comparison**

### **30CrNiMo8 steels vs.

42CrMo4**

- **Tensile strength**: The tensile strength of 30CrNiMo8 steels ranges from 520-1200 MPa, while the tensile strength of 42CrMo4 is generally between 1000-1100 MPa, and 30CrNiMo8 performs better at the high end.

- **Yield strength**: The yield strength of 30CrNiMo8 steels is 350-600 MPa.

In comparison, the yield strength of 42CrMo4 is generally around 900 MPa, showing that 42CrMo4 has more advantages in yield strength.

### **30CrNiMo8 vs.

34CrNiMo6**

- **Tensile strength**: Under the same heat treatment conditions, the strength of 30CrNiMo8 is usually higher than that of 34CrNiMo6, the latter of which has a tensile strength of 800-1000 MPa, which makes 30CrNiMo8 more advantageous in load-bearing capacity.

- **Yield strength**: The yield strength of 30CrNiMo8 is also better than that of 34CrNiMo6, the latter of which has a yield strength of 600-800 MPa.

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