EN 10025-5 1.8959 Introduce
EN 10025-5 1.8959 is the European standard for hot-rolled structural steels with improved atmospheric corrosion resistance. It is a common structural steel grade utilized for a variety of applications. It is made from non-alloyed material such as mild steel and intended for use in construction applications. The steel is designed for use in areas with potentially corrosive environments. The steel is suitable for use in extreme weather conditions due to its improved atmospheric corrosion resistance.
Smelting temperature:1738°C - 1378°C
Application:Hot rolled structural steel products - Part 5: Technical conditions for improved atmospheric corrosion resistance of structural steel
EN 10025-5 1.8959 Material Chemical Composition
The chemical composition of the EN 10025-5 1.8959 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Zirconium (Zr) | - | 0.1500 |
| Silicon (Si) | - | 0.5000 |
| Sulfur (S) | - | 0.0400 |
| PhOsphorus (P) | - | 0.0400 |
| Nickel (Ni) | - | 0.6500 |
| Nitrogen (N) | - | 0.0090 |
| Molybdenum (Mo) | - | 0.3000 |
| Manganese (Mn) | 0.5000 | 1.5000 |
| Copper (Cu) | 0.2500 | 0.5500 |
| Chromium (Cr) | 0.4000 | 0.8000 |
| Carbon (C) | - | 0.1600 |
EN 10025-5 1.8959 Material Mechanical Properties
Impact strength measures the steel's resistance to impacts. The impact strength of EN 10025-5 1.8959 steel is rated between 20 and 40 J/cm2.
The mechanical properties of the EN 10025-5 1.8959 steel are as follows:
| YieldRp0.2 | ≤ 455 (MPa) |
| TeileRm | ≤ 738 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 42% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 314 |
EN 10025-5 1.8959 Material Thermal Properties
The thermal performance parameters of the EN 10025-5 1.8959 steel are as follows:
| Temperature (°C) | 13 | 554 | 169 |
| Modulus of elasticity (GPa) | - | 937 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 214 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.43 | - | - |
| Deity (kg/dm³) | - | - | 311 |
| Poisson’s coefficient, ν | - | - | 332 |
EN 10025-5 1.8959 Material Machining Technology
Grinding is a machining process in which an abrasive wheel is used to remove material from the workpiece. It is typically used to create very precise shapes and polish the workpiece to create a high-quality finish. When working with EN 10025-5 1.8959 steel, aluminium oxide grinding wheels are generally used.