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EN 10277-5 Grade CM35 – Cold-Drawn/Turned & Normalized Steel for High-Performance Automotive Components

Steel Cm 35 is suitable for a little higher strained parts of enhanced workability and constant mechanical qualities in vehicle manufacturing, engine and machine engineering (e.g. transmission parts, crankshafts, cylinder). Lowest application temp. -25 °C.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.82 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

Elongation

20.0 °C

18 - 19 %

Poisson's ratio

23.0 °C

0.29 [-]

Typical for Medium Carbon Steel

Shear modulus

23.0 °C

75 - 80 GPa

Typical for Carbon Steel

Tensile strength

20.0 °C

520 - 550 MPa

Yield strength

20.0 °C

270 - 300 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

1.25E-5 1/K

200.0 °C

1.3E-5 1/K

300.0 °C

1.36E-5 1/K

400.0 °C

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

Max service temperature, long

-25 - 0 °C

Melting point

1380 - 1514 °C

Typical for Medium Carbon 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

48 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

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

0.32 - 0.39 %

Manganese

0.5 - 0.8 %

Phosphorus

0.04 %

Silicon

0.4 %

Sulfur

0.02 - 0.035 %


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    1. EN 10277-5 Grade Cm60: Cold-Drawn or Turned and Normalized Steel for High-Strain Applications
    2. EN 10277-5 Grade C35: Cold-Drawn or Turned, Normalized Steel for Automotive & Machine Applications
    3. EN 10277-5 Grade C45: Cold Drawn, Turned & Normalized Steel for Automotive & Machinery
    4. EN 10277‑5 Grade C60: Cold‑Drawn, Turned & Normalized Steel for High‑Ductility, Wear‑Resistant Automotive Parts
    5. EN 10277-5 Grade CK35: Cold‑Drawn, Turned & Normalized Steel for Automotive & Heavy‑Duty Applications
    6. CK45 Steel – EN 10277-5 Grade, Cold‑Drawn & Normalized
    7. EN 10277-5 Grade Ck60 Steel – Cold Drawn/Turned & Normalized for Heavy-Duty Applications
    8. EN 10277-5 Grade Cm45: Cold-Drawn, Turned, and Normalized Steel for Automotive & Industrial Applications
    9. EN 10277-5: Grade C22 Cold‑Drawn/Turned and Normalized Steel – Ideal for Low‑Strain Automotive Parts
    10. EN 10277-5 Grade CK22 – Cold-Drawn or Turned & Normalized Steel for Vehicle and Heavy Engineering Applications