Description
What is EN 10025-2?
EN 10025-2 is a European standard that specifies technical delivery conditions for non-alloy structural steels. It covers hot-rolled structural steel products used in construction and engineering applications.
Key Steel Grades in EN 10025-2
The standard includes the following commonly used grades:
- S235JR, S235J0, S235J2 (Yield strength: 235 MPa)
- S275JR, S275J0, S275J2 (Yield strength: 275 MPa)
- S355JR, S355J0, S355J2 (Yield strength: 355 MPa)
- S450J0 (Yield strength: 450 MPa)
Main Features of EN 10025-2 Structural Steels
- Good weldability and machinability
- High strength and durability
- Suitable for structural applications like bridges, buildings, and offshore structures
- Available in different forms: plates, sheets, and sections
EN 10025-2 Dimensions
Thickness
From 6 mm to 300 mm
Width
From 1500 mm to 4050 mm
Length
From 3000 mm to 15000 mm
EN 10025-2 Chemical Composition
| Grade | C (max) | Si (max) | Mn (max) | P (max) | S (max) | N (max) | Cu (max) | Other Elements |
|---|---|---|---|---|---|---|---|---|
| S235JR | 0.17 | 0.35 | 1.40 | 0.035 | 0.035 | 0.012 | 0.55 | – |
| S235J0 | 0.17 | 0.35 | 1.40 | 0.030 | 0.030 | 0.012 | 0.55 | – |
| S235J2 | 0.17 | 0.35 | 1.40 | 0.025 | 0.025 | 0.012 | 0.55 | – |
| S275JR | 0.21 | 0.35 | 1.50 | 0.035 | 0.035 | 0.012 | 0.55 | – |
| S275J0 | 0.21 | 0.35 | 1.50 | 0.030 | 0.030 | 0.012 | 0.55 | – |
| S275J2 | 0.21 | 0.35 | 1.50 | 0.025 | 0.025 | 0.012 | 0.55 | – |
| S355JR | 0.24 | 0.55 | 1.60 | 0.035 | 0.035 | 0.012 | 0.55 | – |
| S355J0 | 0.24 | 0.55 | 1.60 | 0.030 | 0.030 | 0.012 | 0.55 | – |
| S355J2 | 0.24 | 0.55 | 1.60 | 0.025 | 0.025 | 0.012 | 0.55 | – |
EN 10025-2 Mechanical Properties
| Steel Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) (Min) | Impact Energy (J) @ -20°C |
|---|---|---|---|---|
| S235JR | ≥ 235 | 360 – 510 | 26 | 27 (JR) |
| S275JR | ≥ 275 | 370 – 530 | 23 | 27 (JR) |
| S275J0 | ≥ 275 | 370 – 530 | 23 | 27 (J0) |
| S275J2 | ≥ 275 | 370 – 530 | 23 | 27 (J2) |
| S355JR | ≥ 355 | 470 – 630 | 22 | 27 (JR) |
| S355J0 | ≥ 355 | 470 – 630 | 22 | 27 (J0) |
| S355J2 | ≥ 355 | 470 – 630 | 22 | 27 (J2) |
Application
- Construction & Infrastructure – Bridges, buildings, warehouses, and structural frameworks.
- Mechanical Engineering – Heavy machinery, cranes, and earthmoving equipment.
- Automotive & Transport – Truck frames, railway components, and trailers.
- Shipbuilding – Hull structures and marine equipment.
- Pressure Vessels & Tanks – Storage tanks and structural pipes.
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