S235JR+N
1.0038Normalized condition variant of S235JR — the most common European structural steel in normalized (+N) delivery condition. Normalization at ~920°C provides refined grain structure, improved impact toughness (27J at 20°C), and more uniform mechanical properties through the cross-section compared to as-rolled material. Required by EN 1090 for structural steelwork execution class EXC3/EXC4. Same composition as S235JR but guaranteed normalized delivery. Used for bridges, buildings, crane structures, and safety-critical fabrications requiring reliable toughness.
Chemical composition comparison (wt%)
Side-by-side: S235JR+N (EN) (EN 10025-2) vs ASTM
| Element | S235JR+N (EN) | ASTM | Overlap |
|---|---|---|---|
| C | ≤ 0.17% | — | — |
| Si | — | — | — |
| Mn | ≤ 1.4% | — | — |
| P | ≤ 0.035% | — | — |
| S | ≤ 0.035% | — | — |
| N | ≤ 0.012% | — | — |
Mechanical properties
Normalized
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 360–510 | MPa |
| Yield Strength | ≥ 235 | MPa |
| Elongation | ≥ 26 | % |
| impact_energy_20C | ≥ 27 | J |
General
| Property | Value | Unit |
|---|---|---|
| Density | ≥ 7.85 | g/cm3 |
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