Technical Specifications
Chemical Composition (EN 10025-2)
| Element | Percentage (%) |
|---|---|
| Carbon (C) | ≤0.22 |
| Manganese (Mn) | ≤1.50 |
| Phosphorus (P) | ≤0.035 |
| Sulfur (S) | ≤0.035 |
| Silicon (Si) | ≤0.55 |
Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength | 275 MPa (min) |
| Tensile Strength | 410–560 MPa |
| Elongation | 20–23% (in 50mm) |
| Impact Energy | 27 J at +20°C |
| Yield Strength (≥ N/mm2) | Tensile Strength | |||||||
| Country | Steel Grade | d≤16 | 16 < d ≤40 | 40 < d ≤60 | 60 < d ≤100 | 100 < d ≤150 | 150 < d ≤200 | N/mm2 |
| China | Q235 | 235 | 225 | 215 | 215 | 195 | 185 | 370-500 |
| US | A36 | 250 MPa (d ≤ 200mm) | 400-550 | |||||
| European | S235 | 235 | 225 | 215 | 215 | 195 | 185 | 360-510 |
| Japan | SS400 | 245 | 235 | 215 | 215 | 205 | 205 | 400-510 |
S275JR steel plate, due to its moderate high strength, toughness, fatigue resistance, impact resistance, corrosion resistance, weldability, and ease of processing-comprehensive high-quality properties-has consistently received widespread praise and recognition from the manufacturing industry for its performance in application. Subsequently, owing to societal acknowledgment and its extensive use in manufacturing, coupled with continuous optimization and upgrading of the material by producers, S275JR steel plate has gradually become one of the commonly used steel grades in China.
