EN 10083-1 Grade C45E soft annealed (+A)

EN 10083-1 Grade C45E soft annealed (+A) introduction

Steel C45E is applicable for medium loaded parts of higher dimensions (large forged parts) and more complex form in vehicle manufacturing and machine engineering (e.g. shipshafts, transmission parts, wheel hubs).

Equivalent material: GB 45, GB U20452, EN 1.1191, IS 45C8, IS C45E, IS S45C, KS SM45C, GOST 45, ASTM A29 Grade 1045, ASTM A510 Grade 1045, ASTM A576 Grade 1045, ASTM A827 Grade 1045, ASTM A830 Grade 1045, UNS G10450, SAE 1045, DIN Ck45, NBN C45-2, AFNOR XC48H1, BS 080M46, IS C45E4, UNI C45, SS 1672, UNE F1140-C45K, ASTM 1045, DIN 1.1191, AISI 1045, AISI 1045H, DIN C45E, DIN GS-Ck45, AFNOR XC45, AFNOR C45E, AFNOR C45RR, BS 080H46, BS CFS8, BS C45E, BS AW2, UNE C45K, UNE F1140, SAE 1045H, JIS S45C, JIS S45CM, JIS S48C, ISO C45E4, ISO C45E, ISO CE45E4, ISO CS45, ISO S48C, GB/T 45, GB/T SM45, GB/T T10450, GB/T U20452, GB/T CRB800H, GB/T 45H, GB/T 45AH, GB/T C33457, GB/T ZGD345-570, AS 1045, UNS H10450, UNS G10450, UNS G10420

EN 10083-1 Grade C45E soft annealed (+A) general

Property Temperature Value Condition Related Standards Shape
Density 20 °C Density of 7.8 g/cm³ soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 20 °C Density of 7.8 - 7.85 g/cm³ soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 20 °C Density of 7.85 g/cm³ soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging

EN 10083-1 Grade C45E soft annealed (+A) thermal

Property Temperature Value Condition Related Standards Shape Comment
Coefficient of thermal expansion -100 °C Coefficient of thermal expansion of 1.08e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 20 °C Coefficient of thermal expansion of 1.19e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Coefficient of thermal expansion of 1.11e-05 - 1.25e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Coefficient of thermal expansion of 1.11e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Coefficient of thermal expansion of 1.25e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Coefficient of thermal expansion of 1.21e-05 - 1.3e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Coefficient of thermal expansion of 1.21e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Coefficient of thermal expansion of 1.3e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Coefficient of thermal expansion of 1.29e-05 - 1.36e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Coefficient of thermal expansion of 1.29e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Coefficient of thermal expansion of 1.36e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 400 °C Coefficient of thermal expansion of 1.35e-05 - 1.41e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 400 °C Coefficient of thermal expansion of 1.35e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 400 °C Coefficient of thermal expansion of 1.41e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 500 °C Coefficient of thermal expansion of 1.45e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 600 °C Coefficient of thermal expansion of 1.49e-05 1/K soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
Max service temperature - Max service temperature of -25 - 480 °C soft annealed (+A) EN 10083-1, EN 10083-2, EN 10083-3 Strip, Sheet, Flat, Bar, Wire, Forging Long
- - 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 °C Specific heat capacity of 423 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 20 °C Specific heat capacity of 461 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 20 °C Specific heat capacity of 461 - 480 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 20 °C Specific heat capacity of 480 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Specific heat capacity of 479 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Specific heat capacity of 479 - 500 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Specific heat capacity of 500 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Specific heat capacity of 499 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Specific heat capacity of 499 - 550 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Specific heat capacity of 550 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Specific heat capacity of 517 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Specific heat capacity of 517 - 590 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Specific heat capacity of 590 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 400 °C Specific heat capacity of 536 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 500 °C Specific heat capacity of 558 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 600 °C Specific heat capacity of 587 J/(kg·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
Thermal conductivity 20 °C Thermal conductivity of 41.7 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 20 °C Thermal conductivity of 41.7 - 52 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 20 °C Thermal conductivity of 52 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Thermal conductivity of 43.4 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Thermal conductivity of 43.4 - 50.6 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Thermal conductivity of 50.6 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Thermal conductivity of 43.2 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Thermal conductivity of 43.2 - 48.1 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Thermal conductivity of 48.1 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Thermal conductivity of 41.4 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Thermal conductivity of 41.4 - 45.7 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Thermal conductivity of 45.7 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 400 °C Thermal conductivity of 39.1 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 500 °C Thermal conductivity of 36.7 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 600 °C Thermal conductivity of 34.1 W/(m·K) soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
Thermal diffusivity 20 °C Thermal diffusivity of 11.6 mm²/s soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Thermal diffusivity of 11.3 mm²/s soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Thermal diffusivity of 10.5 mm²/s soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Thermal diffusivity of 9.5 mm²/s soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 400 °C Thermal diffusivity of 8.3 mm²/s soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 500 °C Thermal diffusivity of 7.1 mm²/s soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 600 °C Thermal diffusivity of 5.8 mm²/s soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -

EN 10083-1 Grade C45E soft annealed (+A) chemical

Property Value Condition Related Standards Shape
Carbon Carbon of 0.42 - 0.5 % soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1, EN 10083-3 Bar, wire, Flat, Sheet, Strip, Forging, Wire
Chromium Chromium of 0.4 % soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
Copper Copper of 0.3 % soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
Manganese Manganese of 0.5 - 0.8 % soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1, EN 10083-3 Bar, wire, Flat, Sheet, Strip, Forging, Wire
Molybdenum Molybdenum of 0.1 % soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
Nickel Nickel of 0.4 % soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
Phosphorus Phosphorus of 0.025 % soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- Phosphorus of 0.03 % soft annealed (+A) EN 10083-1, EN 10083-2, ISO 683-1 Bar, wire, Flat, Sheet, Strip, Forging
- Phosphorus of 0.035 % soft annealed (+A) EN 10083-1, EN 10083-2, EN 10083-3, ISO 683-1 Strip, Sheet, Flat, Bar, Wire, Forging
Silicon Silicon of 0.1 - 0.4 % soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- Silicon of 0.4 % soft annealed (+A) EN 10083-1, EN 10083-2, ISO 683-1, EN 10083-3 Bar, wire, Flat, Sheet, Strip, Forging, Wire
Sulfur Sulfur of 0.035 % soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1, EN 10083-3 Bar, wire, Flat, Sheet, Strip, Forging, Wire

EN 10083-1 Grade C45E soft annealed (+A) electrical

Property Temperature Value Condition Related Standards Shape
Electrical resistivity 20 °C Electrical resistivity of 1.2e-07 - 2.5e-07 Ω·m soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 20 °C Electrical resistivity of 1.2e-07 Ω·m soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 20 °C Electrical resistivity of 2.5e-07 Ω·m soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 100 °C Electrical resistivity of 2.95e-07 Ω·m soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 200 °C Electrical resistivity of 3.65e-07 Ω·m soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 300 °C Electrical resistivity of 4.53e-07 Ω·m soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 400 °C Electrical resistivity of 5.56e-07 Ω·m soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 500 °C Electrical resistivity of 6.74e-07 Ω·m soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging
- 600 °C Electrical resistivity of 8.13e-07 Ω·m soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging

EN 10083-1 Grade C45E soft annealed (+A) mechanical

Property Temperature Value Condition Related Standards Shape Comment
Elastic modulus -100 °C Elastic modulus of 217 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 20 °C Elastic modulus of 210 - 212 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 20 °C Elastic modulus of 210 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 20 °C Elastic modulus of 212 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Elastic modulus of 205 - 207 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Elastic modulus of 205 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 100 °C Elastic modulus of 207 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Elastic modulus of 195 - 199 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Elastic modulus of 195 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 200 °C Elastic modulus of 199 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Elastic modulus of 185 - 192 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Elastic modulus of 185 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 300 °C Elastic modulus of 192 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 400 °C Elastic modulus of 175 - 184 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 400 °C Elastic modulus of 175 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 400 °C Elastic modulus of 184 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 500 °C Elastic modulus of 175 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
- 600 °C Elastic modulus of 164 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -
Hardness, Brinell - Hardness, Brinell of 251 [-] - - - Predicted Value, Transverse
- 20 °C Hardness, Brinell of 207 [-] soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1, EN 10083-3 Strip, Sheet, Flat, Bar, Wire, Forging -
Poisson's ratio - Poisson's ratio of 0.29 [-] - - - Typical for Medium Carbon Steel
Shear modulus 20 °C Shear modulus of 81 GPa soft annealed (+A) ISO 683-1, EN 10083-2, EN 10083-1 Bar, wire, Flat, Sheet, Strip, Forging -

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