EN 10225 S355 G11 Introduce
EN 10225 S355 G11 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 S355 G11 steel, engineers and fabricators can utilize this material to its fullest potential.
Smelting temperature:1356°C - 1427°C
Application:Weldable structural steel with fixed offshore structure - Technical delivery conditions
EN 10225 S355 G11 Material Chemical Composition
The chemical composition of the EN 10225 S355 G11 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Vanadium (V) | - | 0.0600 |
| Titanium (Ti) | - | 0.0250 |
| Tin (Sn) | - | 0.0200 |
| Silicon (Si) | - | 0.5500 |
| Antimony (Sb) | - | 0.0100 |
| Sulfur (S) | - | 0.0150 |
| Lead (Pb) | - | 0.0100 |
| PhOsphorus (P) | - | 0.0250 |
| Nickel (Ni) | - | 0.5000 |
| (Nb+V) | - | 0.0600 |
| (Nb+Ti+V) | - | 0.0800 |
| Niobium (Nb) | - | 0.0400 |
| Nitrogen (N) | - | 0.0120 |
| Molybdenum (Mo) | - | 0.0800 |
| Manganese (Mn) | - | 1.6500 |
| Copper (Cu) | - | 0.3000 |
| (Cr+Ni+Cu+Mo) | - | 0.8000 |
| Chromium (Cr) | - | 0.2500 |
| Calcium (Ca) | - | 0.0050 |
| Carbon (C) | - | 0.1400 |
| Bismuth (Bi) | - | 0.0100 |
| Boron (B) | - | 0.0005 |
| Arsenic (As) | - | 0.0300 |
| Aluminum (Al) | 0.0150 | 0.0550 |
EN 10225 S355 G11 Material Mechanical Properties
EN 10225 S355 G11 steel has a wide range of physical properties that make it an ideal material for many different uses. It has a relatively low density of approximately 7.68 g/cm3, which makes it an excellent option for applications where strength to weight ratio is important. The high chromium content of the alloy also gives it excellent corrosion resistance, making it a suitable material for use in corrosive environments. Another benefit of its composition is good formability, as the alloy tends to be malleable enough to cold form as well as heat treatable.
The mechanical properties of the EN 10225 S355 G11 steel are as follows:
| YieldRp0.2 | ≤ 833 (MPa) |
| TeileRm | ≤ 235 (MPa) |
| ImpactKV/Ku | 33(J) |
| ElongationA | 42% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 122 |
EN 10225 S355 G11 Material Thermal Properties
The thermal performance parameters of the EN 10225 S355 G11 steel are as follows:
| Temperature (°C) | 32 | 847 | 458 |
| Modulus of elasticity (GPa) | - | 424 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 23 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 33.2 |
| Specific thermal capacity (J/kg·°C) | - | 422 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 121 |
| Poisson’s coefficient, ν | - | - | 143 |
EN 10225 S355 G11 Material Machining Technology
EN 10225 S355 G11 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 S355 G11 steel can be machined quickly and safely with excellent results.