BEBON STEEL Offer S690 QL is a high yield structural steel grade produced in compliance with EN 10025:6:2004.
Due to the materials high strength nature, using S690QL will promote leaner designed structures with increased payload capacity and energy efficiency.If you need S690 QL stee,please contact us.
S690QL Chemical Composition
| Grade | C | Si | Mn | P | S | N | B | Cr | Cu | Mo | Nb* | Ni | Ti* | V* | Zr* |
| S690QL | 0.20 | 0.80 | 1.70 | 0.025 | 0.015 | 0.015 | 0.0050 | 1.50 | 0.50 | 0.70 | 0.06 | 2.0 | 0.05 | 0.12 | 0.15 |
At least 0.015% of grain-refining element present. Aluminium is also one of these elements.
S690QL Mechanical Properties
| Designation | Mechanical Properties (ambient temperature) | |||||||
| Steel Name | Steel Number | Min. Yield Strength Reh MPa | Tensile Strength Rm MPa | Min. % elongation after fracture | ||||
| Nominal thickness (mm) | Nominal thickness (mm) | |||||||
| ≥3 ≤50 | ≥50 ≤100 | ≥100 ≤150 | ≥3 ≤50 | ≥50 ≤100 | ≥100 ≤150 | |||
| S690QL | 1.8931 | 690 | 650 | 630 | 770/940 | 760/930 | 710/900 | 14 |
S690QL V Notch Impact Testing
| Grade | Sample Orientation | @ 0°C | @-20°C | @-40°C | @-60°C |
| S690QL | Longitudinal | 50 J | 40 J | 30 J | –– |
| Traverse | 35 J | 30 J | 27 J | –– |
Source:
Tags:
