SEW 087 Grade WTSt37-3 normalized or normalized formed (+N)

SEW 087 Grade WTSt37-3 normalized or normalized formed (+N) introduction

WTSt 37-3 is used for welded, screwed and riveted constructions of different kind, e. g. structural engineering, bridge building, container construction.
The steel is good weldable and formable.

Equivalent material: DIN S235J2W, DIN 1.8961, DIN Acor37-3, BS 40 EE, JIS SMA490BP, EN S235J2W, EN 1.8961

SEW 087 Grade WTSt37-3 normalized or normalized formed (+N) general

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

SEW 087 Grade WTSt37-3 normalized or normalized formed (+N) thermal

Property Temperature Value
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
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

SEW 087 Grade WTSt37-3 normalized or normalized formed (+N) chemical

Property Value
Aluminium Aluminium of 0.02 %
Carbon Carbon of 0.13 %
Chromium Chromium of 0.5 - 0.8 %
Copper Copper of 0.3 - 0.5 %
Manganese Manganese of 0.2 - 0.5 %
Nitrogen Nitrogen of 9E-3 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 0.1 - 0.4 %
Sulfur Sulfur of 0.035 %

SEW 087 Grade WTSt37-3 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

SEW 087 Grade WTSt37-3 normalized or normalized formed (+N) mechanical

Property Temperature Value
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 %
Poisson's ratio 20.0 °C Poisson's ratio of 0.28 [-]
Tensile strength 20.0 °C Tensile strength of 340 - 490 MPa
Yield strength 20.0 °C Yield strength of 215 - 235 MPa
Yield strength Rp0.2 100.0 °C Yield strength Rp0.2 of 186 MPa
- 200.0 °C Yield strength Rp0.2 of 157 MPa
- 250.0 °C Yield strength Rp0.2 of 147 MPa
- 300.0 °C Yield strength Rp0.2 of 118 MPa

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