EN 10277-2 Grade St 70-2 cold drawn

EN 10277-2 Grade St 70-2 cold drawn

EN 10277-2 Grade St 70-2 cold drawn introduction

St 70-2 is a structural steel for wear and strength loaded parts (bolts, shafts, spindles, rails).

Equivalent material: NBN A690-2, AFNOR A70-2, GOST S375, ISO Fe690, UNI Fe690, ÖNORM St690, UNE A70-2, DIN E360, DIN 1.0070, AFNOR A70, AFNOR E360, BS E360, UNI FE690, UNI FE70-2, EN E360, EN 1.0070, GOST C375

EN 10277-2 Grade St 70-2 cold drawn general

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

EN 10277-2 Grade St 70-2 cold drawn 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 1.25E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.3E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.36E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 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 1480 - 1526 °C Typical for Low 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 53.4 W/(m·K) -
- 100.0 °C Thermal conductivity of 52.9 W/(m·K) -
- 200.0 °C Thermal conductivity of 50.3 W/(m·K) -
- 300.0 °C Thermal conductivity of 46.7 W/(m·K) -
- 400.0 °C Thermal conductivity of 43.3 W/(m·K) -
- 500.0 °C Thermal conductivity of 39.8 W/(m·K) -
- 600.0 °C Thermal conductivity of 36.7 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 14.8 mm²/s -
- 100.0 °C Thermal diffusivity of 13.6 mm²/s -
- 200.0 °C Thermal diffusivity of 12.1 mm²/s -
- 300.0 °C Thermal diffusivity of 10.6 mm²/s -
- 400.0 °C Thermal diffusivity of 9.2 mm²/s -
- 500.0 °C Thermal diffusivity of 7.7 mm²/s -
- 600.0 °C Thermal diffusivity of 6.2 mm²/s -

EN 10277-2 Grade St 70-2 cold drawn chemical

Property Value
Carbon Carbon of 0.5 %
Phosphorus Phosphorus of 0.05 %
Sulfur Sulfur of 0.05 %

EN 10277-2 Grade St 70-2 cold drawn magnetic

Property Value Comment
Curie temperature Curie temperature of 770 °C Typical for Low Carbon Steel

EN 10277-2 Grade St 70-2 cold drawn electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 1.95E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.42E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.14E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.02E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.02E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.21E-7 Ω·m
- 600.0 °C Electrical resistivity of 7.55E-7 Ω·m

EN 10277-2 Grade St 70-2 cold drawn 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 5 - 8 % -
Poisson's ratio 20.0 °C Poisson's ratio of 0.28 [-] -
Shear modulus 23.0 °C Shear modulus of 82 GPa Typical for Low Carbon Steel
Tensile strength 20.0 °C Tensile strength of 680 - 1180 MPa -
Yield strength 20.0 °C Yield strength of 355 - 745 MPa -

Our quality control measures guarantee the highest standards of steel.

-- Our promise

Similar or equivalent steel materials

Get a quote

Post Categories