S700MC
1.8974The highest-strength grade in the EN 10149-2 HSLA series. 700 MPa yield with good cold formability. TMCP for ultra-fine grain structure. Used for telescopic cranes, truck frame rails, dirt-moving equipment, farm equipment, and any application requiring maximum weight reduction in cold-formed steel.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | ASTM | USA | ASTM A514 (approx concept) | — | REF |
| 🇪🇺 | EN | Europe | S700MC | 1.8974 | 100% |
Sources: ASTM A514, EN 10149-2:2013
Chemical composition comparison (wt%)
Side-by-side: S700MC (EN) (EN 10149-2:2013) vs S700MC (EN) (EN 10149-2:2013)
| Element | S700MC (EN) | S700MC (EN) | Overlap |
|---|---|---|---|
| C | 0–0.12% | 0–0.12% | OK |
| Si | 0–0.6% | 0–0.6% | OK |
| Mn | 0–2.1% | 0–2.1% | OK |
| P | 0–0.025% | 0–0.025% | OK |
| S | 0–0.015% | 0–0.015% | OK |
| Mo | 0–0.5% | 0–0.5% | OK |
| V | 0–0.2% | 0–0.2% | OK |
| Al | ≥ 0.015% | ≥ 0.015% | OK |
| Ti | 0–0.22% | 0–0.22% | OK |
| Nb | 0–0.09% | 0–0.09% | OK |
| B | 0–0.005% | 0–0.005% | OK |
Mechanical properties
TMCP
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 750–950 | MPa |
| Yield Strength | ≥ 700 | MPa |
| Elongation | ≥ 12 | % |
| 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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