EN 10149-2 Grade S550MC thermomechanically rolled

EN 10149-2 Grade S550MC thermomechanically rolled introduction

The thermomechanical rolled steel is used for cold formed components like vehicle frames, axles and special sections.

Equivalent material: AFNOR E560D, IS HSF560, IS FeE550, ASTM A1011 HSLAS-F Grade 80, DIN QStE550TM, DIN HR550LA, ASTM HSLAS-F80, DIN 1.0986, EN QStE 550 TM, EN 1.0986, DIN QStE 550 TM, DIN S550MC, AFNOR S560MC, AFNOR S550MC, BS S550MC, BS 60/55CS, BS 60/55HS, BS 60F55CS, BS 60F55HS, BS 080XLK, SAE 080XLK, ISO HSF560, ISO FeE550, ASTM HSLAS-F Grade 550

EN 10149-2 Grade S550MC thermomechanically rolled general

Property Temperature Value Condition Related Standards Shape
Density 20 °C Density of 7.84 g/cm³ thermomechanically rolled EN 10149-2 Flat

EN 10149-2 Grade S550MC thermomechanically rolled 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 thermomechanically rolled EN 10149-2 Flat -
- 20 °C Coefficient of thermal expansion of 1.19e-05 1/K thermomechanically rolled EN 10149-2 Flat -
- 100 °C Coefficient of thermal expansion of 1.25e-05 1/K thermomechanically rolled EN 10149-2 Flat -
- 200 °C Coefficient of thermal expansion of 1.3e-05 1/K thermomechanically rolled EN 10149-2 Flat -
- 300 °C Coefficient of thermal expansion of 1.36e-05 1/K thermomechanically rolled EN 10149-2 Flat -
- 400 °C Coefficient of thermal expansion of 1.41e-05 1/K thermomechanically rolled EN 10149-2 Flat -
- 500 °C Coefficient of thermal expansion of 1.45e-05 1/K thermomechanically rolled EN 10149-2 Flat -
- 600 °C Coefficient of thermal expansion of 1.49e-05 1/K thermomechanically rolled EN 10149-2 Flat -
Max service temperature - Max service temperature of -20 °C thermomechanically rolled EN 10149-2 Flat Long
- - 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 °C Specific heat capacity of 423 J/(kg·K) thermomechanically rolled EN 10149-2 Flat -
- 20 °C Specific heat capacity of 461 J/(kg·K) thermomechanically rolled EN 10149-2 Flat -
- 100 °C Specific heat capacity of 479 J/(kg·K) thermomechanically rolled EN 10149-2 Flat -
- 200 °C Specific heat capacity of 499 J/(kg·K) thermomechanically rolled EN 10149-2 Flat -
- 300 °C Specific heat capacity of 517 J/(kg·K) thermomechanically rolled EN 10149-2 Flat -
- 400 °C Specific heat capacity of 536 J/(kg·K) thermomechanically rolled EN 10149-2 Flat -
- 500 °C Specific heat capacity of 558 J/(kg·K) thermomechanically rolled EN 10149-2 Flat -
- 600 °C Specific heat capacity of 587 J/(kg·K) thermomechanically rolled EN 10149-2 Flat -
Thermal conductivity -100 °C Thermal conductivity of 46.5 W/(m·K) thermomechanically rolled EN 10149-2 Flat -
- 20 °C Thermal conductivity of 49.4 W/(m·K) thermomechanically rolled EN 10149-2 Flat -
- 100 °C Thermal conductivity of 49.4 W/(m·K) thermomechanically rolled EN 10149-2 Flat -
- 200 °C Thermal conductivity of 47.8 W/(m·K) thermomechanically rolled EN 10149-2 Flat -
- 300 °C Thermal conductivity of 45.1 W/(m·K) thermomechanically rolled EN 10149-2 Flat -
- 400 °C Thermal conductivity of 41.8 W/(m·K) thermomechanically rolled EN 10149-2 Flat -
- 500 °C Thermal conductivity of 38.6 W/(m·K) thermomechanically rolled EN 10149-2 Flat -
- 600 °C Thermal conductivity of 35.3 W/(m·K) thermomechanically rolled EN 10149-2 Flat -
Thermal diffusivity -100 °C Thermal diffusivity of 15.9 mm²/s thermomechanically rolled EN 10149-2 Flat -
- 20 °C Thermal diffusivity of 13.7 mm²/s thermomechanically rolled EN 10149-2 Flat -
- 100 °C Thermal diffusivity of 12.7 mm²/s thermomechanically rolled EN 10149-2 Flat -
- 200 °C Thermal diffusivity of 11.5 mm²/s thermomechanically rolled EN 10149-2 Flat -
- 300 °C Thermal diffusivity of 10.2 mm²/s thermomechanically rolled EN 10149-2 Flat -
- 400 °C Thermal diffusivity of 8.9 mm²/s thermomechanically rolled EN 10149-2 Flat -
- 500 °C Thermal diffusivity of 7.4 mm²/s thermomechanically rolled EN 10149-2 Flat -
- 600 °C Thermal diffusivity of 5.8 mm²/s thermomechanically rolled EN 10149-2 Flat -

EN 10149-2 Grade S550MC thermomechanically rolled chemical

Property Value Condition Related Standards Shape
Aluminium Aluminium of 0.015 % thermomechanically rolled EN 10149-2 Flat
Carbon Carbon of 0.12 % thermomechanically rolled EN 10149-2 Flat
Manganese Manganese of 1.8 % thermomechanically rolled EN 10149-2 Flat
Niobium Niobium of 0.09 % thermomechanically rolled EN 10149-2 Flat
Phosphorus Phosphorus of 0.025 % thermomechanically rolled EN 10149-2 Flat
Silicon Silicon of 0.5 % thermomechanically rolled EN 10149-2 Flat
Sulfur Sulfur of 0.015 % thermomechanically rolled EN 10149-2 Flat
Titanium Titanium of 0.15 % thermomechanically rolled EN 10149-2 Flat
Vanadium Vanadium of 0.2 % thermomechanically rolled EN 10149-2 Flat

EN 10149-2 Grade S550MC thermomechanically rolled magnetic

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

EN 10149-2 Grade S550MC thermomechanically rolled electrical

Property Temperature Value Condition Related Standards Shape Comment
Electrical conductivity - Electrical conductivity of 7 S/m - - - Predicted Value
Electrical resistivity -100 °C Electrical resistivity of 1.47e-07 Ω·m thermomechanically rolled EN 10149-2 Flat -
- 20 °C Electrical resistivity of 2.11e-07 Ω·m thermomechanically rolled EN 10149-2 Flat -
- 100 °C Electrical resistivity of 2.59e-07 Ω·m thermomechanically rolled EN 10149-2 Flat -
- 200 °C Electrical resistivity of 3.3e-07 Ω·m thermomechanically rolled EN 10149-2 Flat -
- 300 °C Electrical resistivity of 4.16e-07 Ω·m thermomechanically rolled EN 10149-2 Flat -
- 400 °C Electrical resistivity of 5.2e-07 Ω·m thermomechanically rolled EN 10149-2 Flat -
- 500 °C Electrical resistivity of 6.41e-07 Ω·m thermomechanically rolled EN 10149-2 Flat -
- 600 °C Electrical resistivity of 7.85e-07 Ω·m thermomechanically rolled EN 10149-2 Flat -

EN 10149-2 Grade S550MC thermomechanically rolled mechanical

Property Temperature Value Condition Related Standards Shape Comment
Elastic modulus -100 °C Elastic modulus of 217 GPa thermomechanically rolled EN 10149-2 Flat -
- 20 °C Elastic modulus of 212 GPa thermomechanically rolled EN 10149-2 Flat -
- 100 °C Elastic modulus of 207 GPa thermomechanically rolled EN 10149-2 Flat -
- 200 °C Elastic modulus of 199 GPa thermomechanically rolled EN 10149-2 Flat -
- 300 °C Elastic modulus of 192 GPa thermomechanically rolled EN 10149-2 Flat -
- 400 °C Elastic modulus of 184 GPa thermomechanically rolled EN 10149-2 Flat -
- 500 °C Elastic modulus of 175 GPa thermomechanically rolled EN 10149-2 Flat -
- 600 °C Elastic modulus of 164 GPa thermomechanically rolled EN 10149-2 Flat -
Elongation - Elongation of 13.1 % - - - Predicted Value, A200
- - Elongation of 14.1 % - - - Predicted Value, Transverse
- - Elongation of 15.7 % - - - Predicted Value, A80 Transverse
- - Elongation of 17.2 % - - - Predicted Value, A50
- - Elongation of 21.0 % - - - Predicted Value, A5
- 20 °C Elongation of 12 % thermomechanically rolled EN 10149-2 Flat A80
- 20 °C Elongation of 14 % thermomechanically rolled EN 10149-2 Flat -
Hardness, Brinell - Hardness, Brinell of 246 [-] - - - Predicted Value, Transverse
Poisson's ratio - Poisson's ratio of 0.29 [-] - - - Typical for Low Carbon Steel
Reduction of area - Reduction of area of 39.2 % - - - Predicted Value
- - Reduction of area of 44.5 % - - - Predicted Value, Transverse
Shear modulus - Shear modulus of 82 GPa - - - Typical for Low Carbon Steel
Shear strength - Shear strength of 501.6 MPa - - - Predicted Value
Tensile strength 20 °C Tensile strength of 600 - 760 MPa thermomechanically rolled EN 10149-2 Flat -
Yield strength - Yield strength of 278.9 MPa - - - Predicted Value, RP1
- - Yield strength of 311.7 MPa - - - Predicted Value, RP1 Transverse
- - Yield strength of 450.7 MPa - - - Predicted Value, Transverse
- - Yield strength of 484.1 MPa - - - Predicted Value, RP02 Transverse
- - Yield strength of 486.7 MPa - - - Predicted Value, RP02
- - Yield strength of 502.9 MPa - - - Predicted Value, RP05
- - Yield strength of 593.2 MPa - - - Predicted Value, RP002
- 20 °C Yield strength of 550 MPa thermomechanically rolled EN 10149-2 Flat -

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