51CrV4 steel is high quality spring steel. 51CrV4 spring steel has high proportional limit and strength, high fatigue, good plasticity and toughness, and good tempering stability. Besides, other 51CrV4 spring steel properties are also recognized, for example, good machinability. However, the cold working plasticity of 51CrV4 spring steel is poor.
51CrV4 spring steel properties chemical composition:
| Grade | C | Si Max | Mn | P Max | S Max | Cr | V |
| 51CrV4 | 0.47-0.55 | 0.4 | 0.7-1.1 | 0.025 | 0.025 | 0.9-1.2 | 0.10-0.25 |
51CrV4 spring steel properties - 51CrV4 steel plate mechanical property:
| Grade | Yield Strength(MPa) | Tensile Strength(MPa) | % Elongation min |
| 51CrV4 | 900 | 1100-1300 | 12 |
Based on above 51CrV4 spring steel properties and its features, 51CrV4 spring steel is suitable for manufacturing all kinds of important springs with high stress, and the service temperature is not more than 400℃.
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