EN 10132-3 Grade C30E cold rolled (+CR)

EN 10132-3 Grade C30E cold rolled (+CR) introduction

Cold-rolled narrow strip made of the mild steel C30E will be delivered in thicknesses up to 6 mm for quenching and tempering in following conditions:
- soft annealed or soft annealed and little rerolled (+A or +LC),
- cold rolled (+CR).
The delivery condition annealed to globular carbides (+AC) can be agreed.

Equivalent material: GB 30, GB U20302, ISO CS30, JIS S30CM, ASTM A684 Grade 1030, UNS G10300, DIN Ck30, DIN 1.1178, DIN C30E, AFNOR XC32, AFNOR C30E, BS En5, BS 30CS, BS 30HS, BS 080M30C30E, BS CS30, AISI 1030, SAE 1030, JIS S30C, JIS CS30, EN 1.1178, ISO C30E, ISO C30E4, ISO CE28E4, ISO S30C, GOST 30, GB/T 30, GB/T U20302, GB/T ML30

EN 10132-3 Grade C30E cold rolled (+CR) general

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

EN 10132-3 Grade C30E cold rolled (+CR) 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 10132-3 Grade C30E cold rolled (+CR) chemical

Property Value
Carbon Carbon of 0.27 - 0.34 %
Chromium Chromium of 0.4 %
Manganese Manganese of 0.5 - 0.8 %
Molybdenum Molybdenum of 0.1 %
Nickel Nickel of 0.4 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.035 %

EN 10132-3 Grade C30E cold rolled (+CR) 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 10132-3 Grade C30E cold rolled (+CR) 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 -
Hardness, Vickers 20.0 °C Hardness, Vickers of 220 - 270 [-] -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Medium Carbon Steel
Shear modulus 20.0 °C Shear modulus of 81 GPa -
Tensile strength 20.0 °C Tensile strength of 770 - 920 MPa -

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