EN 10025-6 Grade S690QL is a high strength, low alloy structural steel with good weldability and bending properties. S690QL plates are used in a wide variety of engineering applications where strength is important including cranes, critical structural components in building and stadia and pipes and gates in hydroelectric projects.
Chemical composition of S690QL
| Chemical composition of S690QL | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
C |
P |
S |
N |
B | V | |||||||||
| 0.2 | 0.80 | 1.70 | 0.025 | 0.015 | 0.015 | 0.005 | 1.50 | 0.50 | 0.70 | 0.06 | 2.0 | 0.05 | 0.12 | 0.15 |
Mechanical Properties of S690QL
| Mechanical Properties of S690QL | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Min. Yield Strength ReH MPa | Min. & elongation after fracture | ||||||||||
| >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 | |||
|
at 0℃ |
at -20℃ |
at -40℃ |
at -60℃ |
||
|---|---|---|---|---|---|
| S690QL | 50J | 40J | 30J | ||
| S690QL | 35J | 30J | 27J | ||
