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EN 10083-2 Grade 28Mn6: Normalized or Normalized Formed Steel for Automotive and Machine Components

Steel 28Mn6 is suitable for lower stressed components in vehicle manufacturing, engine and machine engineering weldable (e.g. cardan shafts, camshafts, gear wheels).

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.82 - 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

195 - 199 GPa

300.0 °C

185 - 192 GPa

400.0 °C

175 - 184 GPa

500.0 °C

175 GPa

600.0 °C

164 GPa

Elongation

20.0 °C

17 - 18 %

Poisson's ratio

23.0 °C

0.29 [-]

Typical for Manganese Steel

Shear modulus

20.0 °C

81 GPa

Tensile strength

20.0 °C

590 - 630 MPa

Yield strength

20.0 °C

290 - 345 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

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

200.0 °C

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

300.0 °C

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

400.0 °C

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

500.0 °C

1.45E-5 1/K

600.0 °C

1.49E-5 1/K

Melting point

1382 - 1529 °C

Typical for Manganese Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

461 - 490 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

48 - 52 W/(m·K)

100.0 °C

48.9 W/(m·K)

200.0 °C

47.5 W/(m·K)

300.0 °C

44.7 W/(m·K)

400.0 °C

41.6 W/(m·K)

500.0 °C

38.6 W/(m·K)

600.0 °C

35.5 W/(m·K)

Thermal diffusivity

20.0 °C

13.3 mm²/s

100.0 °C

12.6 mm²/s

200.0 °C

11.5 mm²/s

300.0 °C

10.2 mm²/s

400.0 °C

8.9 mm²/s

500.0 °C

7.5 mm²/s

600.0 °C

6 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.2E-7 - 2.17E-7 Ω·m

100.0 °C

2.62E-7 Ω·m

200.0 °C

3.32E-7 Ω·m

300.0 °C

4.2E-7 Ω·m

400.0 °C

5.23E-7 Ω·m

500.0 °C

6.41E-7 Ω·m

600.0 °C

7.8E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.25 - 0.32 %

Chromium

0.4 %

Copper

0.3 %

Manganese

1.3 - 1.65 %

Molybdenum

0.1 %

Nickel

0.4 %

Phosphorus

0.03 %

Silicon

0.1 - 0.4 %

Sulfur

0.035 %


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    1. EN 10297-1 Grade 28Mn6 Normalized Steel – Technical Specifications
    2. EN 10083‑2 Grade C60R: Normalized & Normalized‑Formed Steel for High‑Load Applications
    3. EN 10083-2 Grade C40E – Normalized or Normalized Formed Steel for High-Temperature Applications
    4. EN 10083-2 Grade C45R Normalized or Normalized Formed Steel (+N) – Ideal for Automotive & Machine Components
    5. EN 10083-2 Grade C50R: Normalized or Formed Steel for High Workability and Strength
    6. EN 10083-2 Grade C55R - Normalized or Normalized Formed Steel for High-Performance Applications
    7. EN 10083-2 Grade C55 Normalized Steel for High-Load, Wear-Resistant Applications
    8. EN 10083-2 Grade C60: Normalized or Normalized-Formed Steel for High-Strength Applications
    9. EN 10083-2 Grade C55E: Normalized/Normalized Formed Steel for Heavy‑Duty Applications
    10. EN 10083-2 Grade C60E – Normalized/Normalized Formed Steel for Heavy-Duty Applications