DIN 2391-2 Grade St52 normalized or normalized formed (+N)
DIN 2391-2 Grade St52 normalized or normalized formed (+N) introduction
Seamless precision steel tube made from St 52 is mainly used as construction element with special requirements in dimension accuracy, small wall thicknesses and good surface condition. The tubes are made in different grades (A and C). Grade C is valid for conduits.
Grade A: for mechanical load without special grade requirement, without inspection certificate
Grade C: for special requirements (testing after arrangement, e.g. bending, flanging, bulging a.o.)
The weldability is given.
Equivalent material: AFNOR TU52-b, BS CFS5, UNI Fe52-1, SS 2172, ASTM 1024, DIN DINEN10305-1, DIN 1.0580, EN E355, EN 1.0580
DIN 2391-2 Grade St52 normalized or normalized formed (+N) general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Low Carbon Steel |
DIN 2391-2 Grade St52 normalized or normalized formed (+N) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.32E-5 - 1.38E-5 1/K |
Typical for Low Carbon Steel |
| 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 |
23.0 °C |
Specific heat capacity of 465 J/(kg·K) |
Typical for Low Carbon Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 25 - 93 W/(m·K) |
Typical for Low Carbon Steel |
DIN 2391-2 Grade St52 normalized or normalized formed (+N) chemical
| Property |
Value |
| Carbon |
Carbon of 0.22 % |
| Manganese |
Manganese of 1.6 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.55 % |
| Sulfur |
Sulfur of 0.025 % |
DIN 2391-2 Grade St52 normalized or normalized formed (+N) magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
DIN 2391-2 Grade St52 normalized or normalized formed (+N) electrical
| Property |
Temperature |
Value |
Comment |
| Electrical resistivity |
23.0 °C |
Electrical resistivity of 1.43E-7 - 1.74E-7 Ω·m |
Typical for Carbon Steel |
DIN 2391-2 Grade St52 normalized or normalized formed (+N) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Low Carbon Steel |
| Elongation |
20.0 °C |
Elongation of 22 % |
- |
| 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 490 - 630 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 355 MPa |
- |
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