EN 10277-5 Grade C45 cold drawn or turned and quenched and tempered

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Description

Steel C 45 is suitable for mean strained parts in vehicle manufacturing, engine and machine engineering (e.g. transmission shafts, gear wheels, transmission parts). Lowest application temp. -25 °C, favorable creep behaviour up to 480 °C.

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 g/cm³

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20.0 °C

Mechanical

PropertyValueTemperature

Elastic modulus

217 GPa

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-100.0 °C

210.11 - 212 GPa

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20.0 °C

205.02 - 207 GPa

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100.0 °C

198.84 - 199 GPa

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200.0 °C

191.42 - 192 GPa

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300.0 °C

183.23 - 184 GPa

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400.0 °C

173.19 - 175 GPa

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500.0 °C

164 GPa

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600.0 °C

Elongation

14 - 17 %

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20.0 °C

Poisson's ratio

0.28 [-]

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20.0 °C

0.28 [-]

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100.0 °C

0.29 [-]

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200.0 °C

0.29 [-]

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300.0 °C

0.3 [-]

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400.0 °C

0.3 [-]

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500.0 °C

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Reduction of area

35 - 45 %

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20.0 °C

Shear modulus

82.04 GPa

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20.0 °C

80.03 GPa

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100.0 °C

77.09 GPa

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200.0 °C

74.16 GPa

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300.0 °C

70.76 GPa

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400.0 °C

66.74 GPa

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500.0 °C

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Tensile strength

630 - 850 MPa

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20.0 °C

Yield strength

370 - 490 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

1.25E-5 1/K

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100.0 °C

1.3E-5 1/K

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200.0 °C

1.36E-5 1/K

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300.0 °C

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 - 480 °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

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 W/(m·K)

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20.0 °C

43.4 W/(m·K)

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100.0 °C

43.2 W/(m·K)

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200.0 °C

41.4 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

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

0.42 - 0.5 %

Manganese

0.5 - 0.8 %

Phosphorus

0.05 %

Silicon

0.4 %

Sulfur

0.045 %