EN 10025-5 1.8945 Introduce
EN 10025-5 1.8945 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:1664°C - 1487°C
Application:Hot rolled structural steel products - Part 5: Technical conditions for improved atmospheric corrosion resistance of structural steel
EN 10025-5 1.8945 Material Chemical Composition
The chemical composition of the EN 10025-5 1.8945 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 0.7500 |
| Sulfur (S) | - | 0.0400 |
| PhOsphorus (P) | 0.0600 | 0.1500 |
| Nickel (Ni) | - | 0.6500 |
| Nitrogen (N) | - | 0.0090 |
| Manganese (Mn) | - | 1.0000 |
| Copper (Cu) | 0.2500 | 0.5500 |
| Chromium (Cr) | 0.3000 | 1.2500 |
| Carbon (C) | - | 0.1200 |
EN 10025-5 1.8945 Material Mechanical Properties
EN 10025-5 1.8945 steel, first introduced in 2004, is a hot rolled structural steel for structural applications. It is a structural steel graded according to EN 10025-5 1.8945 and has excellent stability, weldability, and impact resistance. It has a high yield strength and low notch fracture toughness, making it a suitable choice for long-lasting structures.
The mechanical properties of the EN 10025-5 1.8945 steel are as follows:
| YieldRp0.2 | ≤ 865 (MPa) |
| TeileRm | ≤ 643 (MPa) |
| ImpactKV/Ku | 14(J) |
| ElongationA | 14% |
| Reduction in cross section on fractureZ | 33% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 334 |
EN 10025-5 1.8945 Material Thermal Properties
The thermal performance parameters of the EN 10025-5 1.8945 steel are as follows:
| Temperature (°C) | 31 | 914 | 293 |
| Modulus of elasticity (GPa) | - | 187 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 11.3 | 33.2 |
| Specific thermal capacity (J/kg·°C) | - | 422 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.44 | - | - |
| Deity (kg/dm³) | - | - | 442 |
| Poisson’s coefficient, ν | - | - | 232 |
EN 10025-5 1.8945 Material Machining Technology
EN 10025-5 1.8945 steel is a type of low alloy steel which is widely used in the industry for machining work, due of its excellent features such as strength, toughness, and dimensional stability. This type of steel has been traditionally used for structural and engineering applications, such as building components, structural infrastructure, machine parts, and tools.