EN 10225 S460G2 + M Introduce
The EN 10225 steel standard defines the rules and regulations regarding the usage of the S355G2+N steel grade in the fabrication of offshore structures. The standard ensures a consistent quality of product by requiring that all the raw material used be of top quality and by instituting specific quality control measures during the uncoiling, cold and hot processing, and welding processes. By implementing these rules, the EN 10225 steel standard can be relied upon to produce products that meet all of the requirements pertaining to safety and reliability.
Smelting temperature:1896°C - 1948°C
Application:Weldable structural steel with fixed offshore structure - Technical delivery conditions
EN 10225 S460G2 + M Material Chemical Composition
The chemical composition of the EN 10225 S460G2 + 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 |
| Bismuth (Bi) | - | 0.0100 |
| Boron (B) | - | 0.0005 |
| Arsenic (As) | - | 0.0300 |
| Aluminum (Al) | 0.0150 | 0.0550 |
EN 10225 S460G2 + M Material Mechanical Properties
EN 10225 S460G2 + M 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 S460G2 + M steel are as follows:
| YieldRp0.2 | ≤ 933 (MPa) |
| TeileRm | ≤ 942 (MPa) |
| ImpactKV/Ku | 32(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 21% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 444 |
EN 10225 S460G2 + M Material Thermal Properties
The thermal performance parameters of the EN 10225 S460G2 + M steel are as follows:
| Temperature (°C) | 33 | 688 | 148 |
| Modulus of elasticity (GPa) | - | 111 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 11 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 22.2 |
| Specific thermal capacity (J/kg·°C) | - | 433 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 122 |
| Poisson’s coefficient, ν | - | - | 331 |
EN 10225 S460G2 + M Material Machining Technology
Machining is the process of shaping and cutting material, and in the case of EN 10225 S460G2 + M steel, it involves several activities such as drilling, milling, grinding, and turning. Machining EN 10225 S460G2 + M steel is challenging because of its hardness, but it is possible to achieve good results if the correct cutting tools, cutting conditions, and machine power settings are used.