EN 10225 1.8878 + QT Introduce
EN 10225 provides a comprehensive standard for the manufacture of hot rolled structural steel products for use in the offshore industry. It offers excellent weldability and fatigue performance characteristics, improved sectional properties and good cold workability. EN 10225 steels have applications in the offshore industry, construction, shipbuilding and the automotive industry, as well as other industries. The EN 10225 standard is essential for the offshore industry, as it guarantees that the materials used in their construction will be able to withstand the harsh environment of the offshore industry.
Smelting temperature:1132°C - 1388°C
Application:Weldable structural steel with fixed offshore structure - Technical delivery conditions
EN 10225 1.8878 + QT Material Mechanical Properties
EN 10225 1.8878 + QT steel is also highly formable. This is due to its low carbon content and addition of alloying elements. The combination of these factors allows EN 10225 1.8878 + QT steel to be bent, deformed, and otherwise shaped without incurring ruptures or cracks. This makes EN 10225 1.8878 + QT steel an ideal choice for fabricating complex shapes and components.
The mechanical properties of the EN 10225 1.8878 + QT steel are as follows:
| YieldRp0.2 | ≤ 564 (MPa) |
| TeileRm | ≤ 896 (MPa) |
| ImpactKV/Ku | 42(J) |
| ElongationA | 13% |
| Reduction in cross section on fractureZ | 23% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 314 |
EN 10225 1.8878 + QT Material Thermal Properties
The thermal performance parameters of the EN 10225 1.8878 + QT steel are as follows:
| Temperature (°C) | 24 | 227 | 389 |
| Modulus of elasticity (GPa) | - | 238 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 21 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 14.2 |
| Specific thermal capacity (J/kg·°C) | - | 243 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.42 | - | - |
| Deity (kg/dm³) | - | - | 222 |
| Poisson’s coefficient, ν | - | - | 143 |
EN 10225 1.8878 + QT Material Machining Technology
EN 10225 1.8878 + QT steel is a highly versatile, corrosion-resistant material, making it suitable for use in a wide range of engineering and construction applications. It has a combination of both ferritic and austenitic types of stainless steel, giving it high strength, good workability and excellent corrosion resistance. The material also has excellent physical and mechanical properties, making it an ideal choice for components that will be exposed to regular wear or shock. Finally, it can be heat treated or receive different surface treatments in order to further improve its properties or increase its corrosion resistance.