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DIN 17200 Grade C35 Quenched & Tempered Steel – Ideal for Automotive & Machine Components

Steel C 35 is suitable for parts in vehicle manufacturing, engine and machine engineering with a little higher strength requirements and still low ductility requirements (e.g. gears, bolts, clutch parts). Lowest application temp. -25 °C, favorable creep behaviour up to 480 °C.

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 - 20 %

Poisson's ratio

23.0 °C

0.29 [-]

Typical for Medium Carbon Steel

Reduction of area

20.0 °C

35 - 45 %

Shear modulus

20.0 °C

81 GPa

Tensile strength

20.0 °C

550 - 780 MPa

Yield strength

20.0 °C

320 - 430 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

Max service temperature

500 °C

Typical for Carbon Steel

Max service temperature, long

-25 - 480 °C

Melting point

1380 - 1514 °C

Typical for Medium Carbon Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

460 - 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 - 50 W/(m·K)

100.0 °C

48.9 - 51 W/(m·K)

200.0 °C

47.5 - 48.2 W/(m·K)

300.0 °C

44.7 - 45.6 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

0.32 - 0.39 %

Manganese

0.5 - 0.8 %

Phosphorus

0.05 %

Silicon

0.4 %

Sulfur

0.045 %


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