S355MC
1.0976HSLA hot-rolled steel for cold forming. Thermomechanically rolled for fine grain and good formability. The most commonly specified TMCP grade. Used for truck frames, agricultural equipment, crane booms, and structural cold-formed components.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | ASTM | USA | ASTM A1011 HSLAS-F Gr 50 (approx) | — | REF |
| 🇪🇺 | EN | Europe | S355MC | 1.0976 | 100% |
Sources: ASTM A1011, EN 10149-2:2013
Chemical composition comparison (wt%)
Side-by-side: S355MC (EN) (EN 10149-2:2013) vs S355MC (EN) (EN 10149-2:2013)
| Element | S355MC (EN) | S355MC (EN) | Overlap |
|---|---|---|---|
| C | 0–0.12% | 0–0.12% | OK |
| Si | 0–0.5% | 0–0.5% | 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 | 0–0.2% | 0–0.2% | OK |
| Al | ≥ 0.015% | ≥ 0.015% | OK |
| Ti | 0–0.15% | 0–0.15% | OK |
| Nb | 0–0.09% | 0–0.09% | OK |
Mechanical properties
TMCP
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 430–550 | MPa |
| Yield Strength | ≥ 355 | MPa |
| Elongation | ≥ 19 | % |
| 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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