EN 10132-4 Grade C67S quenched (+Q)

EN 10132-4 Grade C67S quenched (+Q) introduction

The steel C60S is used as cold rolled strip for springs and special applications in thicknesses of up to 6 mm and as tempered cold strip in thicknesses from 0.30 to 3.00 mm. The cold-rolled steel strip for springs possess a very high precision of measurements and very good state of the surface.

Equivalent material: GB 65, GB U20652, IS 65C6, IS 3, ISO CS65, JIS S70C-CSP, GOST 65A, GOST 65G, GOST 65GA, GOST 65Г, GOST 65ГA, ASTM A684 Grade 1070, AISI 1070, ASTM G10700, DIN Ck67, DIN 1.1231, DIN C67S, AFNOR C68RR, AFNOR XC68, AFNOR C67S, BS C67S, BS 70CS, BS 70HS, UNI C70, SAE 1070, JIS S70CM, JIS SWRH72B, JIS S70C, EN 1.1231, GOST 65, GB/T 65, GB/T U20652, ASTM 1070, ASTM Grade 1070M, UNS G10700, IS C70

EN 10132-4 Grade C67S quenched (+Q) general

Property Temperature Value
Density 20.0 °C Density of 7.8 - 7.85 g/cm³

EN 10132-4 Grade C67S quenched (+Q) 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 1289 - 1478 °C Typical for High Carbon 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 41.7 - 51 W/(m·K) -
- 100.0 °C Thermal conductivity of 43.4 - 49.9 W/(m·K) -
- 200.0 °C Thermal conductivity of 43.2 - 47.8 W/(m·K) -
- 300.0 °C Thermal conductivity of 41.4 - 44.8 W/(m·K) -
- 400.0 °C Thermal conductivity of 39.1 W/(m·K) -
- 500.0 °C Thermal conductivity of 36.7 W/(m·K) -
- 600.0 °C Thermal conductivity of 34.1 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 11.6 mm²/s -
- 100.0 °C Thermal diffusivity of 11.3 mm²/s -
- 200.0 °C Thermal diffusivity of 10.5 mm²/s -
- 300.0 °C Thermal diffusivity of 9.5 mm²/s -
- 400.0 °C Thermal diffusivity of 8.3 mm²/s -
- 500.0 °C Thermal diffusivity of 7.1 mm²/s -
- 600.0 °C Thermal diffusivity of 5.8 mm²/s -

EN 10132-4 Grade C67S quenched (+Q) chemical

Property Value
Carbon Carbon of 0.65 - 0.73 %
Chromium Chromium of 0.4 %
Manganese Manganese of 0.6 - 0.9 %
Molybdenum Molybdenum of 0.1 %
Nickel Nickel of 0.4 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.15 - 0.35 %
Sulfur Sulfur of 0.025 %

EN 10132-4 Grade C67S quenched (+Q) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 1.3E-7 - 2.5E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.95E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.65E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.53E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.56E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.74E-7 Ω·m
- 600.0 °C Electrical resistivity of 8.13E-7 Ω·m

EN 10132-4 Grade C67S quenched (+Q) mechanical

Property Temperature Value Comment
Elastic modulus -100.0 °C Elastic modulus of 217 GPa -
- 20.0 °C Elastic modulus of 206 - 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 -
Hardness, Rockwell C 20.0 °C Hardness, Rockwell C of 59 [-] -
Hardness, Vickers 20.0 °C Hardness, Vickers of 670 [-] -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for High Carbon Steel
Shear modulus 20.0 °C Shear modulus of 78 - 81 GPa -

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