The S275J0 has reliable mechanical property, good formability and excellent welding performance, which is widely used in various industries.Such as architecture, bridge construction, marine craft, railway locomotive,heavy machine and other structure parts.
S275J0 is a structural grade steel. Supplied inaccordance with Fe430C or Q255C,the steel offers good tensile and yiele strength.
Mechanical properties
| Upper yield strength ReH MPa min. | Tensile strength Rm MPa | Elongation at fracture A80 % min. | Elongation at fracture A 5 % min. |
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| e ≤ 16 mm | e < 3 mm | 3 mm ≤ e ≤ 16 mm | e ≤ 1 mm | 1 mm < e ≤ 1.5 mm |
1.5 mm < e ≤ 2 mm | 2 mm < e ≤ 2.5 mm |
2.5 mm < e < 3 mm | 3 mm ≤ e ≤ 16 mm |
| 275 | 430–580 | 410–560 | 13 | 14 | 15 | 16 | 17 | 21 |
Chemical composition
| Percentage by weight % max. | ||||||
| C | Si | Mn | P | S | N | Cu |
| 0.18 | - | 1.50 | 0.030 | 0.030 | 0.012 | 0.55 |
Applications of EN10025-2 S275JR
EN10025-2 S275JR steel plates are widely used in the construction and civil engineering industries due to their excellent combination of strength, ductility, and weldability. In bridge construction, these steel plates are employed for beams, girders, cross members, and deck plates, providing reliable load-bearing capacity and structural integrity under both static and dynamic loads.
In highway construction, S275JR plates are used for guardrails, crash barriers, sign supports, and structural frameworks, ensuring durability and safety over long service periods.
Beyond civil infrastructure, S275JR plates are also applied in other engineering constructions, such as industrial buildings, machinery frames, storage tanks, and light-duty structural components, where precise dimensional control and consistent mechanical performance are required. The steel's good weldability, machinability, and formability allow engineers to fabricate complex structures and components efficiently.
Additionally, the cost-effectiveness and reliability of EN10025-2 S275JR make it an ideal choice for large-scale projects that demand a balance of structural performance, durability, and economy, making it one of the most versatile and widely used structural steels in engineering practice.
