S690QL is a high-strength, low-alloy structural steel plate that implements the European standard EN10025-6,with good bending and welding properties, making it suitable for heavy transportation, machinery, steel construction and lifting equipment.The designation S690QL refers to a minimum yield strength of 690 MPa,which can achieve after quenching and tempering is greater than 690MPa.
s690QL Steel Plate Specification
| Thickness | 12-60mm |
| Specialize | 1500-3500mm |
| Length | 3000-18000mm |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Grade | S690QL Steel |
S690QL Equivalent Grade
|
– |
DIN,WNr |
AFNOR |
EN |
SS |
ISO |
|
A709-100 |
TStE690V |
E690T |
FeE690VKT |
2625 |
E690 |
|
E690TFP |
|||||
|
S690T |
S690QL Steel Chemical Composition
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
V |
N |
Nb |
Ti |
Cu |
Zr |
B |
CEV |
|
max 0.2 |
max 0.8 |
max 1.7 |
max 2 |
max 0.02 |
max 0.01 |
max 1.5 |
max 0.7 |
max 0.12 |
max 0.015 |
max 0.06 |
max 0.05 |
max 0.5 |
max 0.15 |
max 0.005 |
max 0.83 |
S690QL Plate Mechanical Properties
| Designation | Mechanical Properties (ambient temperature) | |||||||
| Steel Grade | 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 |
| V notch impact testing | |||||
|
Grade |
Sample Orientation |
at 0°C |
at -20°C |
at -40°C |
at -60°C |
| S690QL | Longitudinal | 50J | 40J | 30J | |
| S690QL | Transverse | 35J | 30J | 27J | |
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