EN 10297-1 Grade C35 quenched and tempered (+QT)

Equivalent material: EN C35, DIN 1.0501, AFNOR C35, BS 060A35, UNI C35, SS 1550, UNE F.113, AISI 1034, SAE 1034, JIS S35C, EN 1.0501, ISO C35, GOST 35, GB/T 35, GB/T U20352, UNS G10340

EN 10297-1 Grade C35 quenched and tempered (+QT) general

Property Temperature Value
Density 20.0 °C Density of 7.82 - 7.85 g/cm³

EN 10297-1 Grade C35 quenched and tempered (+QT) thermal

Property Temperature Value Comment
Coefficient of thermal expansion -100.0 °C Coefficient of thermal expansion of 1.08E-5 1/K -
- 20.0 °C Coefficient of thermal expansion of 1.19E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.11E-5 - 1.25E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.21E-5 - 1.3E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.29E-5 - 1.36E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.35E-5 - 1.41E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.45E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.49E-5 1/K -
Max service temperature - Max service temperature of 500 °C Typical for Carbon Steel
Melting point - Melting point of 1380 - 1514 °C Typical for Medium Carbon Steel
Specific heat capacity -100.0 °C Specific heat capacity of 423 J/(kg·K) -
- 20.0 °C Specific heat capacity of 460 - 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 48 - 50 W/(m·K) -
- 100.0 °C Thermal conductivity of 48.9 - 51 W/(m·K) -
- 200.0 °C Thermal conductivity of 47.5 - 48.2 W/(m·K) -
- 300.0 °C Thermal conductivity of 44.7 - 45.6 W/(m·K) -
- 400.0 °C Thermal conductivity of 41.6 W/(m·K) -
- 500.0 °C Thermal conductivity of 38.6 W/(m·K) -
- 600.0 °C Thermal conductivity of 35.5 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 13.3 mm²/s -
- 100.0 °C Thermal diffusivity of 12.6 mm²/s -
- 200.0 °C Thermal diffusivity of 11.5 mm²/s -
- 300.0 °C Thermal diffusivity of 10.2 mm²/s -
- 400.0 °C Thermal diffusivity of 8.9 mm²/s -
- 500.0 °C Thermal diffusivity of 7.5 mm²/s -
- 600.0 °C Thermal diffusivity of 6 mm²/s -

EN 10297-1 Grade C35 quenched and tempered (+QT) chemical

Property Value
Carbon Carbon of 0.32 - 0.39 %
Manganese Manganese of 0.5 - 0.8 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.045 %

EN 10297-1 Grade C35 quenched and tempered (+QT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 1.2E-7 - 2.17E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.62E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.32E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.2E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.23E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.41E-7 Ω·m
- 600.0 °C Electrical resistivity of 7.8E-7 Ω·m

EN 10297-1 Grade C35 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 210 - 212 GPa -
- 100.0 °C Elastic modulus of 205 - 207 GPa -
- 200.0 °C Elastic modulus of 195 - 199 GPa -
- 300.0 °C Elastic modulus of 185 - 192 GPa -
- 400.0 °C Elastic modulus of 175 - 184 GPa -
- 500.0 °C Elastic modulus of 175 GPa -
- 600.0 °C Elastic modulus of 164 GPa -
Elongation 20.0 °C Elongation of 17 - 20 % -
Elongation, transverse 20.0 °C Elongation, transverse of 15 - 18 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Medium Carbon Steel
Reduction of area 20.0 °C Reduction of area of 40 - 50 % -
Reduction of area, transverse 20.0 °C Reduction of area, transverse of 40 - 50 % -
Shear modulus 20.0 °C Shear modulus of 81 GPa -
Tensile strength 20.0 °C Tensile strength of 500 - 830 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 500 - 830 MPa -
Yield strength 20.0 °C Yield strength of 290 - 430 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 290 - 430 MPa -

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