DIN 2391-2 Grade St52 bright drawn and stress relieved
DIN 2391-2 Grade St52 bright drawn and stress relieved 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 bright drawn and stress relieved 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 bright drawn and stress relieved 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 bright drawn and stress relieved 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 bright drawn and stress relieved magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
DIN 2391-2 Grade St52 bright drawn and stress relieved 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 bright drawn and stress relieved 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 10 % |
- |
| 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 580 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 420 MPa |
- |
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