EN 10225 S355 G1 Introduce
EN 10225 S355 G1 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 G1 steel, engineers and fabricators can utilize this material to its fullest potential.
Smelting temperature:1671°C - 1883°C
Application:Weldable structural steel with fixed offshore structure - Technical delivery conditions
EN 10225 S355 G1 Material Chemical Composition
The chemical composition of the EN 10225 S355 G1 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Vanadium (V) | - | 0.1200 |
| Titanium (Ti) | - | 0.0300 |
| Silicon (Si) | - | 0.5000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0350 |
| Nickel (Ni) | - | 0.5000 |
| Niobium (Nb) | - | 0.0500 |
| Nitrogen (N) | - | 0.0150 |
| Molybdenum (Mo) | - | 0.1000 |
| Manganese (Mn) | 0.9000 | 1.6500 |
| Copper (Cu) | - | 0.3500 |
| Chromium (Cr) | - | 0.3000 |
| (CEV) | - | 0.4300 |
| Carbon (C) | - | 0.2000 |
| Aluminum (Al) | 0.0200 | - |
EN 10225 S355 G1 Material Mechanical Properties
EN 10225 S355 G1 steel has one of the highest strength-to-weight ratios of any steel available, making it perfect for use in applications where a strong yet lightweight component is needed. It also has great fatigue and impact resistance, making it the ideal choice for components that will be subjected to regular wear or shock. The alloy has an ultimate tensile strength of around 785 MPa and an elongation of up to 45%.
The mechanical properties of the EN 10225 S355 G1 steel are as follows:
| YieldRp0.2 | ≤ 844 (MPa) |
| TeileRm | ≤ 244 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 34% |
| Reduction in cross section on fractureZ | 42% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 444 |
EN 10225 S355 G1 Material Thermal Properties
The thermal performance parameters of the EN 10225 S355 G1 steel are as follows:
| Temperature (°C) | 33 | 448 | 243 |
| Modulus of elasticity (GPa) | - | 245 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 23.3 | 34.2 |
| Specific thermal capacity (J/kg·°C) | - | 414 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.22 | - | - |
| Deity (kg/dm³) | - | - | 224 |
| Poisson’s coefficient, ν | - | - | 232 |
EN 10225 S355 G1 Material Machining Technology
EN 10225 S355 G1 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 G1 steel can be machined quickly and safely with excellent results.