DIN 17172 Grade StE290.7 hot finished

DIN 17172 Grade StE290.7 hot finished introduction

The steel StE 290.7 is produced as seamless or welded tube in the conditions untreated or normalised.
Tubes of this steel are conform acc. 5L, 5LX and 5LS of the American Petroleum Institute (API). The Attention should be paid to the technical regulation for combustible liquids TRbF 301.
Application:
pipelines for combustible liquids (e.g. petroleum and his products) and for compressed or liquid combustible gases

Equivalent material: BS 43A, BS 43B, BS 43C, ISO L29TMC, DIN L290NB, DIN 1.0484, DIN L290NE, DIN X42NE, AFNOR L290NE, AFNOR X42NE, BS L290NE, BS X42NE, EN L290NE, EN X42NE, EN L290NB, EN 1.0484, ISO L290NE, ISO X42NE, ASTM API 5L PSL2

DIN 17172 Grade StE290.7 hot finished general

Property Temperature Value
Density 20.0 °C Density of 7.83 g/cm³

DIN 17172 Grade StE290.7 hot finished 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 -100.0 °C Thermal conductivity of 37.6 W/(m·K) -
- 20.0 °C Thermal conductivity of 42.2 W/(m·K) -
- 100.0 °C Thermal conductivity of 43.2 W/(m·K) -
- 200.0 °C Thermal conductivity of 42.9 W/(m·K) -
- 300.0 °C Thermal conductivity of 41.2 W/(m·K) -
- 400.0 °C Thermal conductivity of 39.1 W/(m·K) -
- 500.0 °C Thermal conductivity of 36.6 W/(m·K) -
- 600.0 °C Thermal conductivity of 34.1 W/(m·K) -
Thermal diffusivity -100.0 °C Thermal diffusivity of 12.9 mm²/s -
- 20.0 °C Thermal diffusivity of 11.7 mm²/s -
- 100.0 °C Thermal diffusivity of 11.2 mm²/s -
- 200.0 °C Thermal diffusivity of 10.3 mm²/s -
- 300.0 °C Thermal diffusivity of 9.4 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 5.7 mm²/s -

DIN 17172 Grade StE290.7 hot finished chemical

Property Value
Aluminium Aluminium of 0.02 %
Carbon Carbon of 0.22 %
Manganese Manganese of 0.5 - 1.1 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.45 %
Sulfur Sulfur of 0.035 %

DIN 17172 Grade StE290.7 hot finished magnetic

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

DIN 17172 Grade StE290.7 hot finished electrical

Property Temperature Value
Electrical resistivity -100.0 °C Electrical resistivity of 1.82E-7 Ω·m
- 20.0 °C Electrical resistivity of 2.47E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.96E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.68E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.55E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.56E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.75E-7 Ω·m
- 600.0 °C Electrical resistivity of 8.13E-7 Ω·m

DIN 17172 Grade StE290.7 hot finished 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, transverse 20.0 °C Elongation, transverse of 23 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Low Carbon Steel
Shear modulus 23.0 °C Shear modulus of 82 GPa Typical for Low Carbon Steel
Tensile strength 20.0 °C Tensile strength of 420 - 450 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 420 - 450 MPa -
Yield strength 20.0 °C Yield strength of 290 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 290 MPa -

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