S960QL Low-alloy High-strength Steel Plate
S960QL is a high strength structural grade. S960QL steel plate is designed using various chemical elements to provide superior performance and enhanced durability. S960QL is quenched and tempered, giving subsequent modules increased strength and abrasion resistance in stress-inducing systems.
S960QL modules have good weldability and excellent strength and HAZ strength in the system. 960mc steel has a thickness of 4 to 35 mm. It has an impact hardness of 40 J and excellent toughness. S960QL high strength structural steel plate is widely used in heavy transport, mining, lifting, etc.
Chemical composition of S960QL steel plate ：
| Grade | WITH | Si | Min. | P | WITH | N | B | Kr | Cu | Mo | Quantity* | Neither | T* | IN* | Zr* |
| S960QL | 0.20 | 0.80 | 1.70 | 0.020 | 0.010 | 0.015 | 0.0050 | 1.50 | 0.50 | 0.70 | 0.06 | 2.0 | 0.05 | 0.12 | 0.15 |
Mechanical properties of S960QL steel plate ：
| 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 |
| S960QL | 1.8933 | 960 | –– | –– | 980/1150 | –– | –– | 10 |
Impact test of S960QL V-notch steel plate ：
| Grade | Orientation pattern | @ 0°C | @-20°С | @-40°С | @-60°С |
| S960QL | Longitudinal | 50 J | 40 J | 30 J | –– |
| Traverse | 35 J | 30 J | 27 J | –– |
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