EN 10297-1 Grade 34CrNiMo6 quenched and tempered (+QT)

Equivalent material: EN 34CrNiMo6, DIN 1.6582, DIN GS-34CrNiMo6, DIN 34CrNiMo6V, DIN 35CrNiMo6, AFNOR 35NCD6, AFNOR 34CrNiMo8, BS 817M40, BS 816M40, BS EN24, UNI 35NiCrMo6(KB), SS 2541, UNE F.127, AISI 4340, SAE 4340, JIS SNCM447, JIS SNCM431, EN 34CrNiMo6V, EN 1.6582, GOST 38Ch2N2MA, ASTM 4337, IS 40Ni2Cr1Mo28

EN 10297-1 Grade 34CrNiMo6 quenched and tempered (+QT) general

Property Temperature Value
Density 20.0 °C Density of 7.8 g/cm³

EN 10297-1 Grade 34CrNiMo6 quenched and tempered (+QT) thermal

Property Temperature Value Comment
Coefficient of thermal expansion -100.0 °C Coefficient of thermal expansion of 1.05E-5 1/K -
- 20.0 °C Coefficient of thermal expansion of 1.15E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.21E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.27E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.32E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.36E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.4E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.44E-5 1/K -
Melting point - Melting point of 1382 - 1529 °C Typical for Nickel Chromium Molybdenum Steel
Specific heat capacity -100.0 °C Specific heat capacity of 423 J/(kg·K) -
- 20.0 °C Specific heat capacity of 461 J/(kg·K) -
- 100.0 °C Specific heat capacity of 479 J/(kg·K) -
- 200.0 °C Specific heat capacity of 499 J/(kg·K) -
- 300.0 °C Specific heat capacity of 517 J/(kg·K) -
- 400.0 °C Specific heat capacity of 536 J/(kg·K) -
- 500.0 °C Specific heat capacity of 558 J/(kg·K) -
- 600.0 °C Specific heat capacity of 587 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 33.7 W/(m·K) -
- 100.0 °C Thermal conductivity of 36.2 W/(m·K) -
- 200.0 °C Thermal conductivity of 37.8 W/(m·K) -
- 300.0 °C Thermal conductivity of 37.2 W/(m·K) -
- 400.0 °C Thermal conductivity of 35.7 W/(m·K) -
- 500.0 °C Thermal conductivity of 34 W/(m·K) -
- 600.0 °C Thermal conductivity of 32 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 9.4 mm²/s -
- 100.0 °C Thermal diffusivity of 9.4 mm²/s -
- 200.0 °C Thermal diffusivity of 9.2 mm²/s -
- 300.0 °C Thermal diffusivity of 8.5 mm²/s -
- 400.0 °C Thermal diffusivity of 7.6 mm²/s -
- 500.0 °C Thermal diffusivity of 6.6 mm²/s -
- 600.0 °C Thermal diffusivity of 5.4 mm²/s -

EN 10297-1 Grade 34CrNiMo6 quenched and tempered (+QT) chemical

Property Value
Carbon Carbon of 0.3 - 0.38 %
Chromium Chromium of 1.4 - 1.7 %
Manganese Manganese of 0.4 - 0.7 %
Molybdenum Molybdenum of 0.15 - 0.3 %
Nickel Nickel of 1.4 - 1.7 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.035 %

EN 10297-1 Grade 34CrNiMo6 quenched and tempered (+QT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 3.09E-7 Ω·m
- 100.0 °C Electrical resistivity of 3.54E-7 Ω·m
- 200.0 °C Electrical resistivity of 4.18E-7 Ω·m
- 300.0 °C Electrical resistivity of 5.05E-7 Ω·m
- 400.0 °C Electrical resistivity of 6.09E-7 Ω·m
- 500.0 °C Electrical resistivity of 7.27E-7 Ω·m
- 600.0 °C Electrical resistivity of 8.67E-7 Ω·m

EN 10297-1 Grade 34CrNiMo6 quenched and tempered (+QT) mechanical

Property Temperature Value Comment
Elastic modulus -100.0 °C Elastic modulus of 217 GPa -
- 20.0 °C Elastic modulus of 212 GPa -
- 100.0 °C Elastic modulus of 207 GPa -
- 200.0 °C Elastic modulus of 199 GPa -
- 300.0 °C Elastic modulus of 192 GPa -
- 400.0 °C Elastic modulus of 184 GPa -
- 500.0 °C Elastic modulus of 175 GPa -
- 600.0 °C Elastic modulus of 164 GPa -
Elongation 20.0 °C Elongation of 9 - 12 % -
Elongation, transverse 20.0 °C Elongation, transverse of 7 - 10 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Nickel Chromium Molybdenum Steel
Reduction of area 20.0 °C Reduction of area of 40 - 55 % -
Reduction of area, transverse 20.0 °C Reduction of area, transverse of 40 - 55 % -
Tensile strength 20.0 °C Tensile strength of 900 - 1400 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 900 - 1400 MPa -
Yield strength 20.0 °C Yield strength of 700 - 1000 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 700 - 1000 MPa -

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