EN 10083-1 Grade 34CrMo4 quenched and tempered (+QT)

Want to keep this datasheet? Save it now in your required format

Description

Steel 34CrMo4 is suitable for parts with high strength and toughness requirements at mean and higher heat-treatment sections (also large forged parts) in vehicle manufacturing, engine and machine engineering (e.g. shafts, gear wheels, steering knuckles). The steel shows high resistivity to static and dynamic loading. Lowest working temperature -20 °C.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

See where falls on the material property chart for against in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.81 - 7.85 g/cm³

Show Material materials with Density of 7.81 - 7.85 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

217 GPa

Show Material materials with Elastic modulus of 217 GPa

20.0 °C

210 - 212 GPa

Show Material materials with Elastic modulus of 210 - 212 GPa

100.0 °C

205 - 207 GPa

Show Material materials with Elastic modulus of 205 - 207 GPa

200.0 °C

195 - 199 GPa

Show Material materials with Elastic modulus of 195 - 199 GPa

300.0 °C

185 - 192 GPa

Show Material materials with Elastic modulus of 185 - 192 GPa

400.0 °C

182.31 - 184 GPa

Show Material materials with Elastic modulus of 182.31 - 184 GPa

500.0 °C

171.64 - 175 GPa

Show Material materials with Elastic modulus of 171.64 - 175 GPa

600.0 °C

164 GPa

Show Material materials with Elastic modulus of 164 GPa

Elongation

20.0 °C

11 - 15 %

Show Material materials with Elongation of 11 - 15 %

Poisson's ratio

20.0 °C

0.28 [-]

Show Material materials with Poisson's ratio of 0.28 [-]

100.0 °C

0.29 [-]

Show Material materials with Poisson's ratio of 0.29 [-]

200.0 °C

0.3 [-]

Show Material materials with Poisson's ratio of 0.3 [-]

300.0 °C

0.3 [-]

Show Material materials with Poisson's ratio of 0.3 [-]

400.0 °C

0.3 [-]

Show Material materials with Poisson's ratio of 0.3 [-]

500.0 °C

0.31 [-]

Show Material materials with Poisson's ratio of 0.31 [-]

Unlock all property charts

Reduction of area

20.0 °C

45 - 60 %

Show Material materials with Reduction of area of 45 - 60 %

Shear modulus

20.0 °C

81 - 81.88 GPa

Show Material materials with Shear modulus of 81 - 81.88 GPa

100.0 °C

79.57 GPa

Show Material materials with Shear modulus of 79.57 GPa

200.0 °C

76.63 GPa

Show Material materials with Shear modulus of 76.63 GPa

300.0 °C

73.54 GPa

Show Material materials with Shear modulus of 73.54 GPa

400.0 °C

69.99 GPa

Show Material materials with Shear modulus of 69.99 GPa

500.0 °C

65.66 GPa

Show Material materials with Shear modulus of 65.66 GPa

Unlock all property charts

Tensile strength

20.0 °C

700 - 1200 MPa

Show Material materials with Tensile strength of 700 - 1200 MPa

Yield strength

20.0 °C

450 - 800 MPa

Show Material materials with Yield strength of 450 - 800 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.05E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.05E-5 1/K

20.0 °C

1.15E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.15E-5 1/K

100.0 °C

1.11E-5 - 1.21E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.11E-5 - 1.21E-5 1/K

200.0 °C

1.21E-5 - 1.27E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.21E-5 - 1.27E-5 1/K

300.0 °C

1.29E-5 - 1.32E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.29E-5 - 1.32E-5 1/K

400.0 °C

1.35E-5 - 1.36E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.35E-5 - 1.36E-5 1/K

500.0 °C

1.4E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.4E-5 1/K

600.0 °C

1.44E-5 1/K

Show Material materials with Coefficient of thermal expansion of 1.44E-5 1/K

Unlock all property charts

Max service temperature, long

-20 - 0 °C

Show Material materials with Max service temperature, long of -20 - 0 °C

Melting point

1382 - 1529 °C

Show Material materials with Melting point of 1382 - 1529 °C

Typical for Chromium Molybdenum Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

Show Material materials with Specific heat capacity of 423 J/(kg·K)

20.0 °C

460 - 461 J/(kg·K)

Show Material materials with Specific heat capacity of 460 - 461 J/(kg·K)

100.0 °C

479 J/(kg·K)

Show Material materials with Specific heat capacity of 479 J/(kg·K)

200.0 °C

499 J/(kg·K)

Show Material materials with Specific heat capacity of 499 J/(kg·K)

300.0 °C

517 J/(kg·K)

Show Material materials with Specific heat capacity of 517 J/(kg·K)

400.0 °C

536 J/(kg·K)

Show Material materials with Specific heat capacity of 536 J/(kg·K)

500.0 °C

558 J/(kg·K)

Show Material materials with Specific heat capacity of 558 J/(kg·K)

600.0 °C

587 J/(kg·K)

Show Material materials with Specific heat capacity of 587 J/(kg·K)

Unlock all property charts

Thermal conductivity

20.0 °C

39.6 - 42 W/(m·K)

Show Material materials with Thermal conductivity of 39.6 - 42 W/(m·K)

100.0 °C

41.6 W/(m·K)

Show Material materials with Thermal conductivity of 41.6 W/(m·K)

200.0 °C

41.8 W/(m·K)

Show Material materials with Thermal conductivity of 41.8 W/(m·K)

300.0 °C

40.3 W/(m·K)

Show Material materials with Thermal conductivity of 40.3 W/(m·K)

400.0 °C

38.2 W/(m·K)

Show Material materials with Thermal conductivity of 38.2 W/(m·K)

500.0 °C

36 W/(m·K)

Show Material materials with Thermal conductivity of 36 W/(m·K)

600.0 °C

33.6 W/(m·K)

Show Material materials with Thermal conductivity of 33.6 W/(m·K)

Unlock all property charts

Thermal diffusivity

20.0 °C

11 mm²/s

Show Material materials with Thermal diffusivity of 11 mm²/s

100.0 °C

10.8 mm²/s

Show Material materials with Thermal diffusivity of 10.8 mm²/s

200.0 °C

10.1 mm²/s

Show Material materials with Thermal diffusivity of 10.1 mm²/s

300.0 °C

9.2 mm²/s

Show Material materials with Thermal diffusivity of 9.2 mm²/s

400.0 °C

8.1 mm²/s

Show Material materials with Thermal diffusivity of 8.1 mm²/s

500.0 °C

7 mm²/s

Show Material materials with Thermal diffusivity of 7 mm²/s

600.0 °C

5.7 mm²/s

Show Material materials with Thermal diffusivity of 5.7 mm²/s

Unlock all property charts

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.8E-7 - 2.63E-7 Ω·m

Show Material materials with Electrical resistivity of 1.8E-7 - 2.63E-7 Ω·m

100.0 °C

3.08E-7 Ω·m

Show Material materials with Electrical resistivity of 3.08E-7 Ω·m

200.0 °C

3.78E-7 Ω·m

Show Material materials with Electrical resistivity of 3.78E-7 Ω·m

300.0 °C

4.66E-7 Ω·m

Show Material materials with Electrical resistivity of 4.66E-7 Ω·m

400.0 °C

5.69E-7 Ω·m

Show Material materials with Electrical resistivity of 5.69E-7 Ω·m

500.0 °C

6.87E-7 Ω·m

Show Material materials with Electrical resistivity of 6.87E-7 Ω·m

600.0 °C

8.26E-7 Ω·m

Show Material materials with Electrical resistivity of 8.26E-7 Ω·m

Unlock all property charts

Chemical properties

PropertyValue

Carbon

0.3 - 0.37 %

Show Material materials with Carbon of 0.3 - 0.37 %

Chromium

0.9 - 1.2 %

Show Material materials with Chromium of 0.9 - 1.2 %

Copper

0.4 %

Show Material materials with Copper of 0.4 %

Manganese

0.6 - 0.9 %

Show Material materials with Manganese of 0.6 - 0.9 %

Molybdenum

0.15 - 0.3 %

Show Material materials with Molybdenum of 0.15 - 0.3 %

Phosphorus

0.03 - 0.04 %

Show Material materials with Phosphorus of 0.03 - 0.04 %

Silicon

0.1 - 0.4 %

Show Material materials with Silicon of 0.1 - 0.4 %

Sulfur

0.035 %

Show Material materials with Sulfur of 0.035 %