EN 10025 S355JR Introduce
The European Standard, {stnadard}, is an important specification for structural steel in the construction industry. It aims to bring unity and facilitate the free movement of goods across European nations. It provides the essential requirements for classifying, welding, cutting and producing structural steels. Additionally, its requirements ensure that all structural steel components intended for use in the construction industry are supplied in accordance with the specified standards and regulations.
Smelting temperature:1931°C - 1797°C
Application:Technical conditions for the delivery of non-alloy structural steel hot rolled products
EN 10025 S355JR Material Chemical Composition
The chemical composition of the EN 10025 S355JR steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 0.5500 |
| Sulfur (S) | - | 0.0450 |
| PhOsphorus (P) | - | 0.0450 |
| Nitrogen (N) | - | 0.0090 |
| Manganese (Mn) | - | 0.6000 |
| Carbon (C) | - | 0.2400 |
EN 10025 S355JR Material Mechanical Properties
The EN 10025 S355JR is a European standard for structural steel products. It provides a minimum yield strength up to 355 N/mm² under nominal thickness up to 16 mm, with a range of product options for a specific strength category. The mechanical and chemical requirements for EN 10025 S355JR must be met to ensure compliance with the standard. In addition to that, the performance requirements must be met.
The mechanical properties of the EN 10025 S355JR steel are as follows:
| YieldRp0.2 | ≤ 847 (MPa) |
| TeileRm | ≤ 284 (MPa) |
| ImpactKV/Ku | 12(J) |
| ElongationA | 23% |
| Reduction in cross section on fractureZ | 42% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 321 |
EN 10025 S355JR Material Thermal Properties
The thermal performance parameters of the EN 10025 S355JR steel are as follows:
| Temperature (°C) | 21 | 843 | 643 |
| Modulus of elasticity (GPa) | - | 577 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 13 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 41.2 |
| Specific thermal capacity (J/kg·°C) | - | 441 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 343 |
| Poisson’s coefficient, ν | - | - | 244 |
EN 10025 S355JR Material Machining Technology
EN 10025 S355JR steel is a versatile material with unique properties and benefits. Machining this grade of steel requires a high level of precision and skill. It is important to select the correct tools and cutting parameters and to use adequate coolant to ensure a successful machining operation. With the correct approach, EN 10025 S355JR steel can be machined with accuracy and efficiency.