EN 10277-5 Grade 51CrV4 cold drawn and quenched and tempered (+C+QT)

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Description

Steel 51CrV4 is suitable for high loaded parts in aircraft, vehicle, engine and machine engineering that require increased tempering resistance at best core qualities and high wear resistance (e.g.transmission and joint parts, axles). Furthermore application as spring and tool steel. Lowest application temperature -25°C. As a bright steel product it is used in the form of bars, bright, straight, in various conditions (see DIN EN 10277 : 1999-10).

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.83 - 7.85 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

217 GPa

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20.0 °C

210 - 212.6 GPa

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100.0 °C

205 - 207 GPa

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200.0 °C

195 - 199 GPa

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300.0 °C

185 - 192 GPa

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400.0 °C

184 GPa

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500.0 °C

175 GPa

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600.0 °C

164 GPa

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Elongation

20.0 °C

9 - 12 %

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Poisson's ratio

20.0 °C

0.29 [-]

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Shear modulus

20.0 °C

81 GPa

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Tensile strength

20.0 °C

900 - 1300 MPa

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Yield strength Rp0.2

20.0 °C

700 - 900 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.05E-5 1/K

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20.0 °C

1.15E-5 1/K

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100.0 °C

1.11E-5 - 1.21E-5 1/K

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200.0 °C

1.21E-5 - 1.27E-5 1/K

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300.0 °C

1.29E-5 - 1.32E-5 1/K

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400.0 °C

1.35E-5 - 1.36E-5 1/K

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500.0 °C

1.4E-5 1/K

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600.0 °C

1.44E-5 1/K

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Max service temperature, long

-25 - 0 °C

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Melting point

1382 - 1529 °C

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Typical for Chromium Vanadium Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

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20.0 °C

460 - 461 J/(kg·K)

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100.0 °C

479 J/(kg·K)

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200.0 °C

499 J/(kg·K)

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300.0 °C

517 J/(kg·K)

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400.0 °C

536 J/(kg·K)

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500.0 °C

558 J/(kg·K)

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600.0 °C

587 J/(kg·K)

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Thermal conductivity

20.0 °C

42 - 45.1 W/(m·K)

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100.0 °C

45.1 W/(m·K)

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200.0 °C

44.1 W/(m·K)

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300.0 °C

41.9 W/(m·K)

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400.0 °C

39.4 W/(m·K)

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500.0 °C

36.9 W/(m·K)

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600.0 °C

34.4 W/(m·K)

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Thermal diffusivity

20.0 °C

12.5 mm²/s

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100.0 °C

11.6 mm²/s

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200.0 °C

10.6 mm²/s

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300.0 °C

9.5 mm²/s

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400.0 °C

8.4 mm²/s

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500.0 °C

7.1 mm²/s

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600.0 °C

5.8 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.9E-7 - 2.31E-7 Ω·m

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100.0 °C

2.84E-7 Ω·m

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200.0 °C

3.58E-7 Ω·m

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300.0 °C

4.48E-7 Ω·m

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400.0 °C

5.52E-7 Ω·m

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500.0 °C

6.71E-7 Ω·m

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600.0 °C

8.06E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.47 - 0.55 %

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Chromium

0.9 - 1.2 %

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Manganese

0.7 - 1.1 %

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Phosphorus

0.03 - 0.04 %

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Silicon

0.4 %

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Sulfur

0.035 %

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Vanadium

0.1 - 0.25 %

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