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EN 10084 Grade C15E Quenched Steel (+Q) – Enhanced Strength & Durability for Automotive & Machinery Applications

Steel C15E is suitable for parts of slightly higher core strength, increased wear strain as well as of higher dimension and complexer form than standard mark C15 in vehicle manufacturing and machine engineering (e.g. levers, joints, gear wheels).

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.85 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

217 GPa

20.0 °C

210 - 212 GPa

100.0 °C

205 - 207 GPa

200.0 °C

193 - 199 GPa

300.0 °C

185 - 192 GPa

400.0 °C

175 - 184 GPa

500.0 °C

175 GPa

600.0 °C

164 GPa

Poisson's ratio

23.0 °C

0.29 [-]

Typical for Low Carbon Steel

Shear modulus

20.0 °C

81 GPa

Tensile strength

20.0 °C

600 - 800 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.08E-5 1/K

20.0 °C

1.19E-5 1/K

100.0 °C

1.1E-5 - 1.25E-5 1/K

200.0 °C

1.18E-5 - 1.3E-5 1/K

300.0 °C

1.36E-5 1/K

400.0 °C

1.32E-5 - 1.41E-5 1/K

500.0 °C

1.45E-5 1/K

600.0 °C

1.49E-5 1/K

Max service temperature

500 °C

Typical for Carbon Steel

Melting point

1480 - 1526 °C

Typical for Low Carbon Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

460 - 461 J/(kg·K)

100.0 °C

479 - 480 J/(kg·K)

200.0 °C

499 - 520 J/(kg·K)

300.0 °C

517 J/(kg·K)

400.0 °C

536 J/(kg·K)

500.0 °C

558 J/(kg·K)

600.0 °C

587 J/(kg·K)

Thermal conductivity

20.0 °C

57.5 - 58.7 W/(m·K)

100.0 °C

54.4 - 55.7 W/(m·K)

200.0 °C

50.2 - 51.9 W/(m·K)

300.0 °C

47.6 W/(m·K)

400.0 °C

43.4 - 44 W/(m·K)

500.0 °C

39.6 W/(m·K)

600.0 °C

36 W/(m·K)

Thermal diffusivity

20.0 °C

15.9 mm²/s

100.0 °C

14.3 mm²/s

200.0 °C

12.5 mm²/s

300.0 °C

10.8 mm²/s

400.0 °C

9.2 mm²/s

500.0 °C

7.6 mm²/s

600.0 °C

6.1 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.1E-7 Ω·m

100.0 °C

2.3E-7 Ω·m

200.0 °C

3.04E-7 Ω·m

300.0 °C

3.94E-7 Ω·m

400.0 °C

5.01E-7 Ω·m

500.0 °C

6.25E-7 Ω·m

600.0 °C

7.7E-7 Ω·m

Magnetic

PropertyValueComment

Curie temperature

770 °C

Typical for Low Carbon Steel

Chemical properties

PropertyValue

Carbon

0.12 - 0.18 %

Chromium

0.4 %

Copper

0.3 %

Manganese

0.3 - 0.6 %

Molybdenum

0.1 %

Nickel

0.4 %

Phosphorus

0.03 %

Silicon

0.15 - 0.4 %

Sulfur

0.035 %


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