S185
1.0035The cheapest and lowest-grade structural steel in EN 10025-1. Only tensile strength is guaranteed (290-510 MPa), no guaranteed yield strength, composition, or impact toughness. Used for non-critical structural applications, fences, lightweight frameworks, and temporary structures where only minimum strength is needed.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | S185 | 1.0035 | 100% |
| 🇪🇺 | DIN | Europe | St 33 (old) | — | 90% |
Sources: EN 10025-1:2004, DIN 17100
Mechanical properties — Pro
General
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | ||
| Yield Strength | ||
| 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).
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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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