DIN 17120 Grade St 44-3

DIN 17120 Grade St 44-3

Equivalent material: DIN 1.0144, DIN St 44-3 G, DIN S245G, DIN S275J2G3, JIS SM400A, JIS SM400B, JIS SM400C, JIS SKK400, JIS SKY400, JIS STKR400, EN S275J2G3, EN 1.0144, ASTM Grade Ib

DIN 17120 Grade St 44-3 general

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

DIN 17120 Grade St 44-3 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 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 17120 Grade St 44-3 chemical

Property Value
Aluminium Aluminium of 0.02 %
Carbon Carbon of 0.2 %
Phosphorus Phosphorus of 0.04 %
Sulfur Sulfur of 0.04 %

DIN 17120 Grade St 44-3 magnetic

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

DIN 17120 Grade St 44-3 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 17120 Grade St 44-3 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 22 % -
Elongation, transverse 20.0 °C Elongation, transverse of 20 % -
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 410 - 540 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 410 - 540 MPa -
Yield strength 20.0 °C Yield strength of 265 - 275 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 265 - 275 MPa -

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