DIN 1629 Grade St 37.0 normalized or normalized formed (+N)
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DIN 1629 Grade St 37.0 normalized or normalized formed (+N)

DIN 1629 Grade St 37.0 normalized or normalized formed (+N) introduction

Seamless tubes made from St 37.0 are used in the apparatus engineering, container and pipe construction as well as mechanical engineering.
The steel is weldable.

Equivalent material: AFNOR TUE220A, BS S360, GOST 10, ISO TS360, JIS STKM12A, SS SIS1312-03, ASTM Grade A, EN P235TR1, DIN St35, DIN 1.0254, AFNOR TU 37 B, AFNOR TU E 220 A, BS P235T1, JIS 12A, JIS STPG370, JIS STPY400, EN P235T1, EN 1.0254, AFNOR TS E 235 A, AFNOR TS E 24-a, AFNOR TS E 235, BS L235, BS ERW360, JIS STC370, EN L235

DIN 1629 Grade St 37.0 normalized or normalized formed (+N) general

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

DIN 1629 Grade St 37.0 normalized or normalized formed (+N) 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
Max service temperature, long - Max service temperature, long of 0 - 300 °C -
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 56.9 W/(m·K) -
- 100.0 °C Thermal conductivity of 56.4 W/(m·K) -
- 200.0 °C Thermal conductivity of 53.5 W/(m·K) -
- 300.0 °C Thermal conductivity of 49.4 W/(m·K) -
- 400.0 °C Thermal conductivity of 45.2 W/(m·K) -
- 500.0 °C Thermal conductivity of 41.3 W/(m·K) -
- 600.0 °C Thermal conductivity of 37.6 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 15.7 mm²/s -
- 100.0 °C Thermal diffusivity of 14.5 mm²/s -
- 200.0 °C Thermal diffusivity of 12.9 mm²/s -
- 300.0 °C Thermal diffusivity of 11.2 mm²/s -
- 400.0 °C Thermal diffusivity of 9.6 mm²/s -
- 500.0 °C Thermal diffusivity of 7.9 mm²/s -
- 600.0 °C Thermal diffusivity of 6.3 mm²/s -

DIN 1629 Grade St 37.0 normalized or normalized formed (+N) chemical

Property Value
Carbon Carbon of 0.17 %
Nitrogen Nitrogen of 9E-3 %
Phosphorus Phosphorus of 0.04 %
Sulfur Sulfur of 0.04 %

DIN 1629 Grade St 37.0 normalized or normalized formed (+N) magnetic

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

DIN 1629 Grade St 37.0 normalized or normalized formed (+N) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 1.83E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.27E-7 Ω·m
- 200.0 °C Electrical resistivity of 2.95E-7 Ω·m
- 300.0 °C Electrical resistivity of 3.8E-7 Ω·m
- 400.0 °C Electrical resistivity of 4.81E-7 Ω·m
- 500.0 °C Electrical resistivity of 5.99E-7 Ω·m
- 600.0 °C Electrical resistivity of 7.38E-7 Ω·m

DIN 1629 Grade St 37.0 normalized or normalized formed (+N) 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 25 % -
Elongation, transverse 20.0 °C Elongation, transverse of 23 % -
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 350 - 480 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 350 - 480 MPa -
Yield strength 20.0 °C Yield strength of 215 - 235 MPa -
Yield strength Rp0.2 50.0 °C Yield strength Rp0.2 of 215 - 235 MPa -
- 200.0 °C Yield strength Rp0.2 of 170 - 185 MPa -
- 250.0 °C Yield strength Rp0.2 of 150 - 165 MPa -
- 300.0 °C Yield strength Rp0.2 of 130 - 140 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 215 - 235 MPa -

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