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EN 10263-3 Grade 16MnCr5 Annealed for Spheroidized Carbides – Ideal for Screws, Nuts, and Gear Components

The cold-upsettable steel 16 MnCr 5 is suitable for the manufacture of screws and nuts (soft-annealed condition with pre- and/or post treatment) used in automobile, motor and equipment construction and in general engineering. The steel finds additional use, amongst other things, for bevel gears, gear shafts, valve spring plates (for example in case-hardened condition).

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.85 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

217 GPa

20.0 °C

212 GPa

100.0 °C

207 GPa

200.0 °C

199 GPa

300.0 °C

192 GPa

400.0 °C

184 GPa

500.0 °C

175 GPa

600.0 °C

164 GPa

Poisson's ratio

20.0 °C

0.28 [-]

Reduction of area

20.0 °C

60 %

Tensile strength

20.0 °C

550 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.05E-5 1/K

20.0 °C

1.15E-5 1/K

100.0 °C

1.21E-5 1/K

200.0 °C

1.27E-5 1/K

300.0 °C

1.32E-5 1/K

400.0 °C

1.36E-5 1/K

500.0 °C

1.4E-5 1/K

600.0 °C

1.44E-5 1/K

Melting point

1382 - 1529 °C

Typical for Chromium Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

461 J/(kg·K)

100.0 °C

479 J/(kg·K)

200.0 °C

499 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

45.9 W/(m·K)

100.0 °C

46.4 W/(m·K)

200.0 °C

45.6 W/(m·K)

300.0 °C

43.5 W/(m·K)

400.0 °C

40.9 W/(m·K)

500.0 °C

38.2 W/(m·K)

600.0 °C

35.5 W/(m·K)

Thermal diffusivity

20.0 °C

12.7 mm²/s

100.0 °C

12 mm²/s

200.0 °C

11 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

6 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

2.27E-7 Ω·m

100.0 °C

2.76E-7 Ω·m

200.0 °C

3.46E-7 Ω·m

300.0 °C

4.31E-7 Ω·m

400.0 °C

5.32E-7 Ω·m

500.0 °C

6.48E-7 Ω·m

600.0 °C

7.81E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.14 - 0.19 %

Chromium

0.8 - 1.1 %

Manganese

1 - 1.3 %

Phosphorus

0.04 %

Silicon

0.4 %

Sulfur

0.035 %


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