S690QL High Strength Steels & Construction steels
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S690QL High Strength steel
S690QL is a quenched and tempered steel for structural applications (trailers, machinery, agricultural applications).
The high mechanical strength (min. 690 N/mm²) allows significant weight savings compared to conventionnal structural steels.
Consult us for plates or custom-made parts.
Standardized steel: EN10025-6
Mechanical properties :
| Thickness | Re (MPa) | Rm (MPa) | A% |
| 4 – 50 mm | 690 | 770-940 | 14 |
| > 50 – 100 mm | 650 | 760-930 | 14 |
| > 100 – 120 mm | 630 | 710-900 | 14 |
Impact Energy (Minimum value according to EN10025-6):
| Temperature | Longitudinale Dir. |
Transversale Dir. |
| -40°C | 40 J | 30 J |
Typical chemical composition (% Max) :
| C | Mn | Si | Cr | Mo | P | S | V | Ni | Cu | Al |
| 0.20 | 1.60 | 0.50 | 1.50 | 0.60 | 0.02 | 0.010 | 0.080 | 1.0 | 0.50 | 0.02 à 0.05 |
Fine-grained steel.
