S275NL
1.0491Normalized fine-grain structural steel with guaranteed -50°C impact toughness. Lower strength than S355NL but better weldability and ductility. Used for cryogenic-adjacent structures, LNG infrastructure, cold-climate bridges, and storage tanks where low-temperature toughness is critical.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | S275NL | 1.0491 | 100% |
Sources: EN 10025-3:2019
Chemical composition comparison (wt%)
Side-by-side: S275NL (EN) (EN 10025-3:2019) vs S275NL (EN) (EN 10025-3:2019)
| Element | S275NL (EN) | S275NL (EN) | Overlap |
|---|---|---|---|
| C | 0–0.16% | 0–0.16% | OK |
| Si | 0–0.4% | 0–0.4% | OK |
| Mn | 0–1.5% | 0–1.5% | OK |
| P | 0–0.025% | 0–0.025% | OK |
| S | 0–0.02% | 0–0.02% | OK |
| V | 0–0.1% | 0–0.1% | OK |
| Al | ≥ 0.02% | ≥ 0.02% | OK |
| Ti | 0–0.04% | 0–0.04% | OK |
| Nb | 0–0.05% | 0–0.05% | OK |
Mechanical properties
Normalized
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 370–510 | MPa |
| Yield Strength | ≥ 275 | MPa |
| Elongation | ≥ 24 | % |
| Elastic Modulus | ≥ 210 | GPa |
| Density | ≥ 7.85 | g/cm3 |
Related materials
S355JR
1.0045High-strength low-alloy structural steel with minimum yield strength of 355 MPa. Standard grade for bridges, buildings, cranes, and general structural applications. Impact tested at +20°C (JR).
S690QL
1.8928High-strength quenched and tempered fine-grain structural steel with minimum yield strength of 690 MPa. Used for heavily loaded structures like mobile cranes, mining equipment, bridges, and pressure vessels.
S275JR
1.0044Medium-strength structural steel with minimum yield strength of 275 MPa. Bridges the gap between S235JR and S355JR. Used for general structural applications, lattice towers, masts, and light crane components. Impact tested at +20°C (JR).
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