DIN 2393-2 Grade RSt 34-2: Bright Drawn Hard Steel Tubes for Precision Construction
Welded precision steel tubes made from RSt 34-2 are used for thin-walled precision constructional elements with a good surface condition.
Properties
General
| Property | Temperature | Value | Comment |
|---|---|---|---|
Density | 23.0 °C | 7.8 - 7.9 g/cm³ | Typical for Low Carbon Steel |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 200 - 215 GPa | Typical for Low Carbon Steel |
Elongation | 20.0 °C | 6 % | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Low Carbon Steel |
Shear modulus | 23.0 °C | 82 GPa | Typical for Low Carbon Steel |
Tensile strength | 20.0 °C | 460 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.32E-5 - 1.38E-5 1/K | Typical for Low Carbon Steel |
Max service temperature | 500 °C | Typical for Carbon Steel | |
Max service temperature, long | 0 - 120 °C | ||
Melting point | 1480 - 1526 °C | Typical for Low Carbon Steel | |
Specific heat capacity | 23.0 °C | 465 J/(kg·K) | Typical for Low Carbon Steel |
Thermal conductivity | 23.0 °C | 25 - 93 W/(m·K) | Typical for Low Carbon Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 1.43E-7 - 1.74E-7 Ω·m | Typical for Carbon Steel |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.15 % |
Manganese | 0.6 % |
Phosphorus | 0.03 % |
Silicon | 0.3 % |
Sulfur | 0.025 % |
Metal
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- DIN 2393-2 Standard – Grade St 28 Steel: Brightly Drawn, Hard Finish
- DIN 2393-2 Grade St 34-2 Bright Drawn Hard Steel – Technical Specs & Performance
- DIN 2393-2 Grade St 37‑2 – Bright Drawn, Hardened Low‑Carbon Steel
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