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DIN 1651 Grade 35S20 Steel – Cold Drawn, Quenched & Tempered (C+QT)

The fully killed machining steel 35 S 20 is used for mass parts of mean strength, especially for lower toughness demands cross-sectional. It has advantages regarding a higher cutting speed. Application in the automotive engineering, toolbuilding, apparatus engineering (screws, nuts, smal parts).

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.8 - 7.85 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

217 GPa

20.0 °C

210 - 212 GPa

100.0 °C

207 GPa

200.0 °C

193 - 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

13 - 17 %

Poisson's ratio

20.0 °C

0.28 [-]

Shear modulus

20.0 °C

81 GPa

Tensile strength

20.0 °C

540 - 760 MPa

Yield strength

20.0 °C

325 - 420 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

1.1E-5 - 1.25E-5 1/K

200.0 °C

1.18E-5 - 1.3E-5 1/K

300.0 °C

1.36E-5 1/K

400.0 °C

1.32E-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

Melting point

1380 - 1514 °C

Typical for Medium Carbon Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

420 - 461 J/(kg·K)

100.0 °C

479 - 490 J/(kg·K)

200.0 °C

499 - 530 J/(kg·K)

300.0 °C

517 J/(kg·K)

400.0 °C

536 - 610 J/(kg·K)

500.0 °C

558 J/(kg·K)

600.0 °C

587 J/(kg·K)

Thermal conductivity

20.0 °C

44.9 - 49 W/(m·K)

100.0 °C

46.2 W/(m·K)

200.0 °C

45.5 W/(m·K)

300.0 °C

43.1 W/(m·K)

400.0 °C

40.4 W/(m·K)

500.0 °C

37.7 W/(m·K)

600.0 °C

34.9 W/(m·K)

Thermal diffusivity

20.0 °C

12.5 mm²/s

100.0 °C

12 mm²/s

200.0 °C

11 mm²/s

300.0 °C

9.8 mm²/s

400.0 °C

8.6 mm²/s

500.0 °C

7.3 mm²/s

600.0 °C

5.9 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.2E-7 - 2.32E-7 Ω·m

100.0 °C

2.77E-7 Ω·m

200.0 °C

3.47E-7 Ω·m

300.0 °C

4.35E-7 Ω·m

400.0 °C

5.38E-7 Ω·m

500.0 °C

6.56E-7 Ω·m

600.0 °C

7.95E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.32 - 0.39 %

Manganese

0.7 - 1.1 %

Phosphorus

0.06 %

Silicon

0.1 - 0.3 %

Sulfur

0.18 - 0.25 %


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    1. DIN 1651 Grade 35S20: Cold Drawn & Stress‑Relieved Steel for High‑Performance Applications
    2. EN 10277-3 Grade 46SPb20: Premium Cold‑Drawn, Quenched & Tempered Steel for High‑Strength Applications
    3. DIN 1651 Grade 45SPb20 Cold Drawn, Quenched & Tempered Steel for High‑Strength Applications
    4. DIN 1651 Grade 60SPb20: High‑Strength Cold‑Drawn, Quenched & Tempered Steel for Automotive & Tooling
    5. DIN 1651 Grade 35SPb20: Cold‑Drawn, Quenched & Tempered Steel for Precision Machining
    6. EN 10277-3 35S20 Cold-Drawn, Quenched & Tempered Steel – High Strength, Superior Ductility
    7. High-Strength 35S20 DIN 1651 Steel: Turning, Quenching, and Tempering for Automotive & Tooling Applications
    8. DIN 1651 Grade 35S20 Cold Drawn Steel – Ideal for Automotive & Tooling Applications
    9. DIN 1651 Grade 45S20: Cold‑Drawn, Quenched & Tempered Steel – Superior Strength & Cutting Performance
    10. DIN 1651 Grade 60S20 Cold Drawn, Quenched & Tempered Steel – High Strength & Durability