EN 10277-5 Grade C50R cold drawn

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Description

Steel C50R is suitable for parts in vehicle, engine and machine engineering that require enhanced workability at constant strength qualities (e.g. transmission shafts, gear wheels). 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.

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

PropertyValueTemperature

Density

7.8 - 7.85 g/cm³

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20.0 °C

Mechanical

PropertyValueTemperatureComment

Elastic modulus

217 GPa

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-100.0 °C

210 - 212 GPa

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20.0 °C

205 - 207 GPa

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100.0 °C

195 - 199 GPa

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200.0 °C

185 - 192 GPa

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300.0 °C

175 - 184 GPa

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400.0 °C

175 GPa

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500.0 °C

164 GPa

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600.0 °C

Elongation

5 - 8 %

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20.0 °C

Poisson's ratio

0.29 [-]

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23.0 °C

Typical for Medium Carbon Steel

Shear modulus

81 GPa

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20.0 °C

Tensile strength

650 - 1100 MPa

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20.0 °C

Yield strength Rp0.2

390 - 590 MPa

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20.0 °C

Thermal

PropertyValueTemperatureComment

Coefficient of thermal expansion

1.08E-5 1/K

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-100.0 °C

1.19E-5 1/K

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20.0 °C

1.11E-5 - 1.25E-5 1/K

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100.0 °C

1.21E-5 - 1.3E-5 1/K

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200.0 °C

1.29E-5 - 1.36E-5 1/K

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300.0 °C

1.35E-5 - 1.41E-5 1/K

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400.0 °C

1.45E-5 1/K

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500.0 °C

1.49E-5 1/K

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600.0 °C

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Max service temperature

500 °C

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Typical for Carbon Steel

Max service temperature, long

-25 - 0 °C

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Melting point

1380 - 1514 °C

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Typical for Medium Carbon Steel

Specific heat capacity

423 J/(kg·K)

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-100.0 °C

460 - 461 J/(kg·K)

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20.0 °C

479 J/(kg·K)

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100.0 °C

499 J/(kg·K)

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200.0 °C

517 J/(kg·K)

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300.0 °C

536 J/(kg·K)

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400.0 °C

558 J/(kg·K)

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500.0 °C

587 J/(kg·K)

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600.0 °C

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Thermal conductivity

41.7 - 52 W/(m·K)

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20.0 °C

43.4 - 50.6 W/(m·K)

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100.0 °C

43.2 - 48.1 W/(m·K)

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200.0 °C

41.4 - 45.7 W/(m·K)

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300.0 °C

39.1 W/(m·K)

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400.0 °C

36.7 W/(m·K)

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500.0 °C

34.1 W/(m·K)

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600.0 °C

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Thermal diffusivity

11.6 mm²/s

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20.0 °C

11.3 mm²/s

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100.0 °C

10.5 mm²/s

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200.0 °C

9.5 mm²/s

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300.0 °C

8.3 mm²/s

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400.0 °C

7.1 mm²/s

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500.0 °C

5.8 mm²/s

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600.0 °C

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Electrical

PropertyValueTemperature

Electrical resistivity

1.2E-7 - 2.5E-7 Ω·m

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20.0 °C

2.95E-7 Ω·m

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100.0 °C

3.65E-7 Ω·m

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200.0 °C

4.53E-7 Ω·m

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300.0 °C

5.56E-7 Ω·m

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400.0 °C

6.74E-7 Ω·m

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500.0 °C

8.13E-7 Ω·m

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600.0 °C

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Chemical properties

Property

Carbon

0.47 - 0.55 %

Chromium

0.4 %

Manganese

0.6 - 0.9 %

Molybdenum

0.1 %

Nickel

0.4 %

Phosphorus

0.03 - 0.04 %

Silicon

0.4 %

Sulfur

0.02 - 0.04 %