DIN 17200 Grade C45 normalized or normalized formed (+N)

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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

PropertyTemperatureValue

Density

20.0 °C

7.8 - 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 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

175 - 184 GPa

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500.0 °C

173.19 - 175 GPa

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600.0 °C

164 GPa

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Elongation

20.0 °C

15 - 17 %

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Elongation, transverse

20.0 °C

13 - 15 %

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Poisson's ratio

20.0 °C

0.28 [-]

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100.0 °C

0.28 [-]

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200.0 °C

0.29 [-]

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300.0 °C

0.29 [-]

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400.0 °C

0.3 [-]

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500.0 °C

0.3 [-]

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Shear modulus

20.0 °C

81 - 82.04 GPa

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100.0 °C

80.03 GPa

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200.0 °C

77.09 GPa

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300.0 °C

74.16 GPa

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400.0 °C

70.76 GPa

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500.0 °C

66.74 GPa

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Tensile strength

20.0 °C

560 - 770 MPa

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Tensile strength, transverse

20.0 °C

560 - 770 MPa

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Yield strength

20.0 °C

275 - 340 MPa

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Yield strength, transverse

20.0 °C

275 - 340 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.08E-5 1/K

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20.0 °C

1.19E-5 1/K

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100.0 °C

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

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200.0 °C

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

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300.0 °C

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

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400.0 °C

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

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500.0 °C

1.45E-5 1/K

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600.0 °C

1.49E-5 1/K

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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

-100.0 °C

423 J/(kg·K)

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20.0 °C

461 - 480 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

41.7 - 52 W/(m·K)

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100.0 °C

43.4 - 50.6 W/(m·K)

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200.0 °C

43.2 - 48.1 W/(m·K)

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300.0 °C

41.4 - 45.7 W/(m·K)

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400.0 °C

39.1 W/(m·K)

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500.0 °C

36.7 W/(m·K)

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600.0 °C

34.1 W/(m·K)

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Thermal diffusivity

20.0 °C

11.6 mm²/s

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100.0 °C

11.3 mm²/s

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200.0 °C

10.5 mm²/s

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300.0 °C

9.5 mm²/s

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400.0 °C

8.3 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

1.2E-7 - 2.5E-7 Ω·m

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100.0 °C

2.95E-7 Ω·m

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200.0 °C

3.65E-7 Ω·m

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300.0 °C

4.53E-7 Ω·m

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400.0 °C

5.56E-7 Ω·m

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500.0 °C

6.74E-7 Ω·m

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600.0 °C

8.13E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.42 - 0.5 %

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Manganese

0.5 - 0.8 %

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Phosphorus

0.05 %

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Silicon

0.4 %

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Sulfur

0.045 %

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