Industrial manufacturing
Industrial Internet of Things | Industrial materials | Equipment Maintenance and Repair | Industrial programming |
home  MfgRobots >> Industrial manufacturing >  >> Industrial materials >> Metal

EN 10277‑5 Grade 30CrMoV9 Cold‑Drawn Steel – High Strength & Ductility for Automotive & Machinery Applications

Steel 30 CrMoV 9 is suitable for parts of high strength and ductility requirements at mean and higher heat-treatment sections in vehicle manufacturing, engine and machine engineering (e.g. crankshafts, jointed shafts, spindles). Furthermore application to nitride steel. Lowest application temp. -40 °C.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.8 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

Poisson's ratio

23.0 °C

0.29 [-]

Typical for Chromium Molybdenum Steel

Tensile strength

20.0 °C

970 - 1050 MPa

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

-40 - 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

33.7 W/(m·K)

100.0 °C

36.2 W/(m·K)

200.0 °C

37.8 W/(m·K)

300.0 °C

37.2 W/(m·K)

400.0 °C

35.7 W/(m·K)

500.0 °C

34 W/(m·K)

600.0 °C

32 W/(m·K)

Thermal diffusivity

20.0 °C

9.4 mm²/s

100.0 °C

9.4 mm²/s

200.0 °C

9.2 mm²/s

300.0 °C

8.5 mm²/s

400.0 °C

7.6 mm²/s

500.0 °C

6.6 mm²/s

600.0 °C

5.4 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

3.09E-7 Ω·m

100.0 °C

3.54E-7 Ω·m

200.0 °C

4.18E-7 Ω·m

300.0 °C

5.05E-7 Ω·m

400.0 °C

6.09E-7 Ω·m

500.0 °C

7.27E-7 Ω·m

600.0 °C

8.67E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.26 - 0.34 %

Chromium

2.3 - 2.7 %

Manganese

0.4 - 0.7 %

Molybdenum

0.15 - 0.25 %

Phosphorus

0.04 %

Silicon

0.4 %

Sulfur

0.03 %

Vanadium

0.1 - 0.2 %


Metal

  1. EN 10277-5 Grade 25CrMo4 Cold-Drawn Steel – High Strength & Ductility
  2. EN 10277-5 Grade 25CrMoS4 Cold-Drawn Steel – High Strength & Ductility for Automotive & Industrial Applications
  3. EN 10277-5 Grade 38Cr2 Cold Drawn Steel – High Strength & Low-Temperature Performance
  4. EN 10277-5 Grade 38CrS2 Cold Drawn Steel – Precision Alloy for Automotive and Machinery
  5. EN 10277‑5 Grade 41Cr4 Cold‑Drawn Steel – High‑Performance for Automotive & Machine Engineering
  6. EN 10277-5 Grade 41CrS4 Cold-Drawn Steel – High Strength for Automotive and Industrial Applications
  7. EN 10277-5 Grade 42CrMo4 – Premium Cold‑Drawn Steel for Heavy‑Duty Applications
  8. EN 10277‑5 Grade 46Cr2 Cold‑Drawn Steel – High Strength, Low Ductility for Vehicle Components
  9. EN 10277-5 Grade 46CrS2 Cold Drawn Steel – High Strength & Workability
  10. EN 10277-5 Grade 50CrMo4 Cold Drawn Steel – High‑Strength, Low‑Temperature Performance