EN 10025 Grade RoSt 44-3: Normalized/Normalized Formed Steel for Welded Tubes
RoSt 44-3 is used for the manufacturing of welded tubes. Its applicated as fine-grained steel for dynamic loaded welded constructions up to - 20°C.
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 | 22 % | |
Elongation, transverse | 20.0 °C | 20 % | |
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 | 410 - 540 MPa | |
Yield strength | 20.0 °C | 265 - 275 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 | -20 - 0 °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 |
|---|---|
Aluminium | 0.02 % |
Carbon | 0.2 % |
Phosphorus | 0.04 % |
Sulfur | 0.04 % |
Metal
- EN 10025 S450J0 Steel – Normalized/Normalized Formed Grade (+N) for Long Products
- EN 10025 KSt 44-3 Steel: Normalized & Normalized-Formed Grade for Roll-Forming Applications
- EN 10025 QSt 44-3 Steel – Normalized/Normalized Formed (+N) for High-Performance Applications
- EN 10025 PSt 44-3 Normalized/Normalized‑Formed Steel – Technical Overview & Properties
- EN 10025 S235J2C Steel – Normalized & Normalized Formed (+N) for Structural Applications
- EN 10025: S275J2C Cold‑Forming Steel (Normalized/NF+N) – High‑Strength, Versatile Structural Grade
- EN 10025 Grade S275J2G3 – High‑Yield Normalized Steel for Dynamic Load Applications
- EN 10025 S355J2G3 Steel – Normalized & Normalized Formed (N) – High-Strength, Durable Construction Material
- EN 10025 Grade S355K2G3: High-Strength Normalized/Normalized Formed Steel (+N)
- EN 10025 S235J2G3 Steel: Normalized / Normalized Formed Grade (+N) – High‑Load, Low‑Temperature Performance