EN 10025-2 S355J2 Introduce
EN 10025-2 S355J2 is commonly used in a range of industries, including engineering, shipbuilding, automotive, agriculture and power plants. In the construction sector, it is often used for the construction of bridges, roads and buildings, as well as for the manufacture of various machines and equipment. Its good strength to weight ratio also makes it suitable for use in applications where weight and size are an important factor.
Smelting temperature:1897°C - 1475°C
Application:Hot rolled structural steel products - Part 2: Technical delivery conditions for non-alloy structural steels.
EN 10025-2 S355J2 Material Chemical Composition
The chemical composition of the EN 10025-2 S355J2 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 0.6000 |
| Sulfur (S) | - | 0.0350 |
| PhOsphorus (P) | - | 0.0350 |
| Manganese (Mn) | - | 1.7000 |
| Copper (Cu) | - | 0.6000 |
| Carbon (C) | - | 0.2300 |
EN 10025-2 S355J2 Material Mechanical Properties
EN 10025-2 S355J2 has stringent testing requirements for steel products. These tests measure the steel's physical and chemical properties, such as the yield strength, tensile strength, ductility, and toughness. These tests ensure that the steel meets certain safety and quality requirements.
The mechanical properties of the EN 10025-2 S355J2 steel are as follows:
| YieldRp0.2 | ≤ 297 (MPa) |
| TeileRm | ≤ 239 (MPa) |
| ImpactKV/Ku | 41(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 321 |
EN 10025-2 S355J2 Material Thermal Properties
The thermal performance parameters of the EN 10025-2 S355J2 steel are as follows:
| Temperature (°C) | 31 | 722 | 831 |
| Modulus of elasticity (GPa) | - | 262 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 43.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 232 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 322 |
| Poisson’s coefficient, ν | - | - | 313 |
EN 10025-2 S355J2 Material Machining Technology
EN 10025-2 S355J2 steel is an excellent choice for a variety of machining applications. It's strong, resistant to corrosion and heat treatable. It's easy to machine and can be used with a variety of tools, including CNC lathes, drill presses and horizontal machining centers. It's important to ensure that it's securely clamped to the work bench and that a coolant is used to reduce the temperature and heat buildup caused by the cutting process. With proper care and attention, EN 10025-2 S355J2 steel can produce high-quality components that are able to withstand harsh conditions.