EN 10225 1.8857 + M Introduce
EN 10225 1.8857 + M is a highly versatile and durable steel used in a variety of industries and applications. Its mechanical properties, such as elasticity, strength, toughness, fatigue strength, corrosion resistance, formability, and weldability make it an excellent choice for use in structures and components that require a high degree of strength and durability. By understanding the mechanical properties of EN 10225 1.8857 + M steel, engineers and fabricators can utilize this material to its fullest potential.
Smelting temperature:1121°C - 1225°C
Application:Weldable structural steel with fixed offshore structure - Technical delivery conditions
EN 10225 1.8857 + M Material Chemical Composition
The chemical composition of the EN 10225 1.8857 + M steel are as follows:
| Element | Min | Max |
|---|---|---|
| Vanadium (V) | - | 0.0800 |
| Titanium (Ti) | - | 0.0250 |
| Tin (Sn) | - | 0.0200 |
| Silicon (Si) | 0.1500 | 0.5500 |
| Antimony (Sb) | - | 0.0100 |
| Sulfur (S) | - | 0.0070 |
| Lead (Pb) | - | 0.0100 |
| PhOsphorus (P) | - | 0.0200 |
| Nickel (Ni) | - | 0.7000 |
| (Nb+V+Ti) | - | 0.1100 |
| (Nb+V) | - | 0.0900 |
| Niobium (Nb) | - | 0.0400 |
| Nitrogen (N) | - | 0.0100 |
| Molybdenum (Mo) | - | 0.2500 |
| Manganese (Mn) | - | 1.6500 |
| Copper (Cu) | - | 0.3000 |
| (Cr+Ni+Cu+Mo) | - | 0.9000 |
| Chromium (Cr) | - | 0.2500 |
| (CEV) | - | 0.4200 |
| Calcium (Ca) | - | 0.0050 |
| Carbon (C) | - | 0.1400 |
EN 10225 1.8857 + M Material Mechanical Properties
Fatigue strength is an important mechanical property of EN 10225 1.8857 + M steel. This steel has a fatigue strength of 360 MPa, which is very high for a steel of this class. This means that it is highly resistant to fatigue-induced failure even when under constant cyclic stresses. This makes EN 10225 1.8857 + M steel an ideal choice for components and structures subject to regular or prolonged cyclic stresses.
The mechanical properties of the EN 10225 1.8857 + M steel are as follows:
| YieldRp0.2 | ≤ 579 (MPa) |
| TeileRm | ≤ 466 (MPa) |
| ImpactKV/Ku | 14(J) |
| ElongationA | 23% |
| Reduction in cross section on fractureZ | 43% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 113 |
EN 10225 1.8857 + M Material Thermal Properties
The thermal performance parameters of the EN 10225 1.8857 + M steel are as follows:
| Temperature (°C) | 23 | 186 | 445 |
| Modulus of elasticity (GPa) | - | 136 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 34 |
| Thermal conductivity (W/m·°C) | - | 31.3 | 22.2 |
| Specific thermal capacity (J/kg·°C) | - | 321 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.22 | - | - |
| Deity (kg/dm³) | - | - | 331 |
| Poisson’s coefficient, ν | - | - | 134 |
EN 10225 1.8857 + M Material Machining Technology
EN 10225 1.8857 + M steel is a versatile material that can be machined to produce parts with high strength and excellent fatigue resistance. In order to achieve the best results, it's important to use the correct tools, cutting conditions, and machine settings for the job. By following these tips and best practices, EN 10225 1.8857 + M steel can be machined quickly and safely with excellent results.