DIN 2395-3 Grade St 44-3 welded and cold sized
DIN 2395-3 Grade St 44-3 welded and cold sized introduction
Rectangular and square welded precision tubes made from St 44-3 are manufactured by cold forming and electrical resistance welding.
Application: automotive engineering
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 2395-3 Grade St 44-3 welded and cold sized general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
DIN 2395-3 Grade St 44-3 welded and cold sized 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 53.4 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 52.9 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 50.3 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 46.7 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 43.3 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 39.8 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 36.7 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 14.8 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 13.6 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 12.1 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 10.6 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 9.2 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.7 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 6.2 mm²/s |
- |
DIN 2395-3 Grade St 44-3 welded and cold sized chemical
| Property |
Value |
| Carbon |
Carbon of 0.23 % |
| Phosphorus |
Phosphorus of 0.05 % |
| Sulfur |
Sulfur of 0.05 % |
DIN 2395-3 Grade St 44-3 welded and cold sized magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
DIN 2395-3 Grade St 44-3 welded and cold sized electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.95E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.42E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.14E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.02E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.02E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.21E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 7.55E-7 Ω·m |
DIN 2395-3 Grade St 44-3 welded and cold sized 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 6 % |
- |
| 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 460 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 290 MPa |
- |
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