S355K2
1.0596Structural steel with guaranteed Charpy impact at -20°C (KV ≥40J). Same strength as S355J2 (ReH ≥355 MPa) but higher toughness: K2 = 40J at -20°C vs J2 = 27J at -20°C. Used for bridges, crane structures, offshore platforms, and welded structures in cold climates where fracture toughness at low temperature is critical.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | S355K2 / 1.0596 | 1.0596 | 100% |
Sources: EN 10025-2
Mechanical properties — Pro
General
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | ||
| Yield Strength | ||
| Elongation | ||
| charpy_impact_minus20 | ||
| Elastic Modulus | ||
| Density |
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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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