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DIN 1652-3 Grade 20MoCrS4 Steel – Cold‑Drawn or Peeled, Ferrite‑Pearlite Treatment for High‑Performance Applications

The steel 20 MoCrS 4 is used for wear loaded parts in the vehicle and mechanical engineering with medium core strength, better machinability, high toughness and high fatigue strength (e.g. gears, shafts, axles). The lowest application amounts to -60 °C, the best application up to 60 mm nominal size.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.83 g/cm³

Mechanical

PropertyTemperatureValueComment

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

Hardness, Brinell

20.0 °C

140 - 187 [-]

Poisson's ratio

23.0 °C

0.29 [-]

Typical for Chromium Molybdenum Steel

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

Max service temperature, long

-60 - 0 °C

Melting point

1382 - 1529 °C

Typical for Chromium Molybdenum 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

41 W/(m·K)

100.0 °C

42.7 W/(m·K)

200.0 °C

42.8 W/(m·K)

300.0 °C

41.6 W/(m·K)

400.0 °C

39.9 W/(m·K)

500.0 °C

37.8 W/(m·K)

600.0 °C

35.6 W/(m·K)

Thermal diffusivity

20.0 °C

11.4 mm²/s

100.0 °C

11 mm²/s

200.0 °C

10.3 mm²/s

300.0 °C

9.5 mm²/s

400.0 °C

8.5 mm²/s

500.0 °C

7.3 mm²/s

600.0 °C

6 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

2.54E-7 Ω·m

100.0 °C

3E-7 Ω·m

200.0 °C

3.69E-7 Ω·m

300.0 °C

4.51E-7 Ω·m

400.0 °C

5.45E-7 Ω·m

500.0 °C

6.54E-7 Ω·m

600.0 °C

7.78E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.17 - 0.22 %

Chromium

0.3 - 0.6 %

Manganese

0.7 - 1 %

Molybdenum

0.4 - 0.5 %

Phosphorus

0.04 %

Silicon

0.4 %

Sulfur

0.02 - 0.035 %


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    1. DIN 1652-3 Grade 20MoCr4 Steel: Cold‑Drawn/Peeled, Ferrite‑Pearlite for High‑Performance Gears and Axles
    2. DIN 1652-3 Grade 22CrMoS3-5 – Cold‑Drawn or Peeled Steel with Ferrite‑Pearlite Structure for High‑Performance Applications
    3. DIN 1652-3 Grade 20Cr4 Cold-Drawn/Peeled Steel – Ferrite-Pearlite Structure for High Wear Applications
    4. DIN 1652-3 Grade 20CrS4 Steel: Cold‑Drawn/Peeled & Ferrite‑Pearlite Treated for High‑Wear Applications
    5. DIN 1652-3 Grade 20MnCrS5 Steel: Cold‑Drawn or Peeled, Ferrite‑Pearlite Treated for Superior Strength and Machinability
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    7. DIN 1652-3 Grade 16MnCr5: Premium Cold‑Drawn Steel for High‑Strength Applications
    8. DIN 1652-3 Grade 16MnCrS5 Steel: Cold‑Drawn, Ferrite‑Pearlite Treated for Superior Strength & Machinability
    9. DIN 1652-3 Grade 17CrNiMo6: Cold‑Drawn or Peeled Ferrite‑Pearlite Steel
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