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Material designation | 51CrV4 |
European standard steel | 1.8159 |
Correspondence standard | EN 10132-2021 Cold rolled narrow steel strip for heat treatment - Technical delivery conditions |
Classify | Spring steels |
Label | Alloy spring steel |
51CrV4 Chemical Element Content (%)
Component | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V |
Minimum value | 0.47 | - | 0.7 | - | - | 0.9 | - | - | - | 0.15 |
Maximum value | 0.55 | 0.4 | 1.1 | 0.025 | 0.025 | 1.2 | 0.4 | 0.4 | 0.1 | 0.25 |
51CrV4 Mechanical properties
Condition of delivery | Tensile strength σb Mpa | Yield point σs Mpa | Elongation or elongation after breaking δ % | Hardness HBW |
Annealed (+A) or annealed and skin passed(+LC) | ≤700 | ≤550 | ≥13 | HV ≤220 |
Cold rolled(+CR) | Order time agreement | Order time agreement | ||
Quenched and tempered(+QT)** | 1200~1800 | HV 370~550 |
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