S690QL is a high yield structural steel grade produced in implemence the European standard EN10025-6.S690QL steel is heat treated using a quenching and tempering process and has good welding and bending properties.Used in the manufacture of low temperature resistant, high strength key components, construction machinery, mining machinery structures, etc.
S690QL - Grade Designation
S = Structural Steel
690 = minimum yield strength (MPa)
Q = Quenching & Tempering
L = Low notch toughness testing temperature
s690QL Steel Plate Specification
|
Material |
S690QL,S690QL1,S690Q,etc |
|
Thickness |
0.2-500mm,etc |
|
Width |
1000-4000mm,etc |
|
Length |
2000mm, 2438mm, 3000mm, 3500,6000mm,12000mm,or rolled,etc etc |
|
Surface |
Black painted,PE coated,Galvanized,color coated, |
|
anti rust varnished,anti rust oiled,checkered,etc |
|
|
Technique |
Cold Rolled, Hot Rolled |
|
Certification |
ISO, SGS,BV |
|
Price terms |
FOB,CRF,CIF,EXW, all acceptable |
|
Loading port |
any port in China |
|
Packing |
Standard export packing (inside:water proof paper,outside:steel covered with strips and pallets) |
S690QL Equivalent Grade
|
– |
DIN,WNr |
AFNOR |
EN |
SS |
ISO |
|
A709-100 |
TStE690V |
E690T |
FeE690VKT |
2625 |
E690 |
|
E690TFP |
|||||
|
S690T |
S690QL Steel Chemical Composition
| Element | Percentage % | Element | Percentage % |
| C | 0.20 | Cu | 0.50 |
| Si | 0.80 | Mo | 0.70 |
| Mn | 1.70 | Nb | 0.06 |
| P | 0.025 | Ni | 2.0 |
| S | 0.015 | Ti | 0.05 |
| N | 0.015 | V | 0.12 |
| B | 0.0050 | Zr | 0.15 |
| Cr | 1.50 |
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 | |
S690QL Plate Application
- Heavy transportation
- Machine building
- Steel constructions
- Lifting equipment
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