EN 10305-3 RSt 37-2 Soft Annealed Steel Tubes – Premium Precision Construction Grade
Welded precision steel tubes made from RSt 37-2 are used for thin-walled precision constructional elements with a good surface condition.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.85 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -100.0 °C | 217 GPa | |
20.0 °C | 212 GPa | ||
100.0 °C | 207 GPa | ||
200.0 °C | 199 GPa | ||
300.0 °C | 192 GPa | ||
400.0 °C | 184 GPa | ||
500.0 °C | 175 GPa | ||
600.0 °C | 164 GPa | ||
Elongation | 20.0 °C | 25 % | |
Poisson's ratio | 20.0 °C | 0.28 [-] | |
Shear modulus | 23.0 °C | 82 GPa | Typical for Low Carbon Steel |
Tensile strength | 20.0 °C | 315 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | -100.0 °C | 1.08E-5 1/K | |
20.0 °C | 1.19E-5 1/K | ||
100.0 °C | 1.25E-5 1/K | ||
200.0 °C | 1.3E-5 1/K | ||
300.0 °C | 1.36E-5 1/K | ||
400.0 °C | 1.41E-5 1/K | ||
500.0 °C | 1.45E-5 1/K | ||
600.0 °C | 1.49E-5 1/K | ||
Max service temperature | 500 °C | Typical for Carbon Steel | |
Max service temperature, long | 0 - 300 °C | ||
Melting point | 1480 - 1526 °C | Typical for Low Carbon Steel | |
Specific heat capacity | -100.0 °C | 423 J/(kg·K) | |
20.0 °C | 461 J/(kg·K) | ||
100.0 °C | 479 J/(kg·K) | ||
200.0 °C | 499 J/(kg·K) | ||
300.0 °C | 517 J/(kg·K) | ||
400.0 °C | 536 J/(kg·K) | ||
500.0 °C | 558 J/(kg·K) | ||
600.0 °C | 587 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 56.9 W/(m·K) | |
100.0 °C | 56.4 W/(m·K) | ||
200.0 °C | 53.5 W/(m·K) | ||
300.0 °C | 49.4 W/(m·K) | ||
400.0 °C | 45.2 W/(m·K) | ||
500.0 °C | 41.3 W/(m·K) | ||
600.0 °C | 37.6 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 15.7 mm²/s | |
100.0 °C | 14.5 mm²/s | ||
200.0 °C | 12.9 mm²/s | ||
300.0 °C | 11.2 mm²/s | ||
400.0 °C | 9.6 mm²/s | ||
500.0 °C | 7.9 mm²/s | ||
600.0 °C | 6.3 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.83E-7 Ω·m |
100.0 °C | 2.27E-7 Ω·m | |
200.0 °C | 2.95E-7 Ω·m | |
300.0 °C | 3.8E-7 Ω·m | |
400.0 °C | 4.81E-7 Ω·m | |
500.0 °C | 5.99E-7 Ω·m | |
600.0 °C | 7.38E-7 Ω·m | |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.17 % |
Manganese | 0.7 % |
Phosphorus | 0.03 % |
Silicon | 0.3 % |
Sulfur | 0.025 % |
Metal
- EN 10305-5 Grade RSt 37-2 Precision Welded Steel Tubes
- DIN 2393-2 Grade RSt 34-2 Soft-Annealed (+A) – High-Precision Steel Tubes
- EN 10305-3 RSt 34-2 Soft Annealed Steel Tubes – Precision Quality & Reliable Construction
- EN 10210-1 Grade RSt 37-2: Technical Specifications & Performance
- EN 10305-3 Grade RSt 37‑2: Precision Welded & Cold‑Sized Steel Tubes
- EN 10305-3 Grade St 44-2 Soft Annealed Steel Tubes – Precision Engineering
- EN 10305-3 Grade St 52-3 Soft Annealed Steel Tubes – Precision Construction
- DIN 2393-2 Grade RSt 37-2 Soft Annealed Steel Tubes – Precision, High Strength
- EN 10277-2 Grade RSt 37-2: Cold‑Drawn, Turned, Soft‑Annealed Steel for Low‑Temperature Applications
- EN 10305-3 Grade RSt 37‑2 – Precision Normalized Steel Tubes