S690QL1 is a quench and tempered (Q+T) high-strength structural steel plate supplied by Gnee Steel, designed for applications requiring excellent strength, toughness, and performance under low temperatures. It meets the requirements of EN 10025-6, and is widely used in demanding structural and machinery components.
Chemical Composition (Max %)
| C | Si | Mn | P | S | CEV (Max) |
|---|---|---|---|---|---|
| 0.25 | 0.50 | 1.70 | 0.025 | 0.010 | 0.50 |
Mechanical Properties
| Property | Typical Value |
|---|---|
| Yield Strength (≥) | 690 MPa |
| Tensile Strength | 780 – 950 MPa |
| Elongation (≥) | 14% |
| Impact Energy @ -40°C | ≥ 27 J (transverse) |
Standard Compliance
- Product Standard: EN 10025-6
- Packaging, Marking & Certification: GB/T 247
Key Features of S690QL1 from Gnee Steel
- High yield strength with excellent low-temperature toughness
- Low impurity levels ensure clean steel and outstanding weldability
- Superior fatigue resistance and good cold formability
- Ideal for extreme environments requiring durability and performance
Typical Applications
S690QL1 steel plates are used in:
- Construction & mining equipment
- Excavators, bulldozers, cranes, loaders
- Drilling rigs, electric shovels, dump trucks
- Hydraulic supports for coal mining
- High-strength structural frameworks and heavy machinery
Looking for a reliable partner for high-strength low-temperature structural steel?
Gnee Steel offers stable supply, strict quality control, and global logistics support to meet your project needs.
