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DIN 17115 Grade 15Mn3Al Steel – Normalized & Normalized Formed (+N) for Welded Chain Applications

The steel is used for welded round link chains and chain components.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.84 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

217 GPa

20.0 °C

212 GPa

100.0 °C

207 - 208 GPa

200.0 °C

199 - 201 GPa

300.0 °C

192 - 193 GPa

400.0 °C

184 - 185 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

23.0 °C

82 GPa

Typical for Low Carbon Steel

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

1.22E-5 - 1.25E-5 1/K

200.0 °C

1.29E-5 - 1.3E-5 1/K

300.0 °C

1.34E-5 - 1.36E-5 1/K

400.0 °C

1.4E-5 - 1.41E-5 1/K

500.0 °C

1.43E-5 - 1.45E-5 1/K

600.0 °C

1.46E-5 - 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

461 J/(kg·K)

100.0 °C

479 - 500 J/(kg·K)

200.0 °C

499 - 540 J/(kg·K)

300.0 °C

517 - 580 J/(kg·K)

400.0 °C

536 - 620 J/(kg·K)

500.0 °C

558 - 690 J/(kg·K)

600.0 °C

587 - 780 J/(kg·K)

Thermal conductivity

20.0 °C

46.5 W/(m·K)

100.0 °C

47 - 47.2 W/(m·K)

200.0 °C

45.9 - 46 W/(m·K)

300.0 °C

43.5 - 44 W/(m·K)

400.0 °C

40.9 - 41 W/(m·K)

500.0 °C

38 - 38.1 W/(m·K)

600.0 °C

35 - 35.3 W/(m·K)

Thermal diffusivity

20.0 °C

12.9 mm²/s

100.0 °C

12.2 mm²/s

200.0 °C

11.1 mm²/s

300.0 °C

9.9 mm²/s

400.0 °C

8.7 mm²/s

500.0 °C

7.3 mm²/s

600.0 °C

5.9 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

2.24E-7 Ω·m

100.0 °C

2.7E-7 - 2.71E-7 Ω·m

200.0 °C

3.4E-7 - 3.44E-7 Ω·m

300.0 °C

4.3E-7 - 4.31E-7 Ω·m

400.0 °C

5.3E-7 - 5.32E-7 Ω·m

500.0 °C

6.5E-7 Ω·m

600.0 °C

7.86E-7 - 7.9E-7 Ω·m

Magnetic

PropertyValueComment

Curie temperature

770 °C

Typical for Low Carbon Steel

Chemical properties

PropertyValue

Aluminium

0.02 - 0.05 %

Carbon

0.12 - 0.18 %

Copper

0.25 %

Manganese

0.7 - 0.9 %

Phosphorus

0.04 %

Silicon

0.2 %

Sulfur

0.035 %


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