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S690 QL, S690 QL high yield Steel plates, High strength steels S690 QL Plates
S690 QL is a high return structural steel evaluation created in consistence with EN 10025:6:2004.
S690 QL, S690 QL high yield Steel plates, High strength steels S690 QL Plates.
S690 QL material is high temperature treated utilizing the extinguish and temper transform and has great bowing and welding properties.
Because of the materials high quality nature, utilizing S690ql will advance leaner outlined structures with expanded payload limit and vitality proficiency.
Offering an extensive variety of overwhelming work structural steel for our clients. Scaffold plate and building structure boards steel sheet are accessible in different evaluations like straight review, low carbon evaluation and high carbon evaluation as indicated by the prerequisite of our client.
It would be ideal if you allude to the specialized subtle elements beneath alluding to S690 QL.
S690 QL - Grade Designation
The grade designation of S690 QL is the following: S = Structural Steel
690 = minimum yield strength (MPa)
Q = Quenching & Tempering
L = Low notch toughness testing temperature
CHEMICAL COMPOSITION
Grade | C | Si | Mn | P | S | N | B | Cr | Cu | Mo | Nb* | Ni | Ti* | V* | Zr* |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S690 QL | 0.20 | 0.80 | 1.70 | 0.025 | 0.015 | 0.015 | 0.0050 | 1.50 | 0.50 | 0.70 | 0.06 | 2.0 | 0.05 | 0.12 | 0.15 |
MECHANICAL PROPERTIES
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 | |||
S690 QL | 1.8931 | 690 | 650 | 630 | 770/940 | 760/930 | 710/900 | 14 |
V NOTCH IMPACT TESTING
Grade | Sample Orientation | @ 0°C | @-20°C | @-40°C | @-60°C |
---|---|---|---|---|---|
S690 QL | Longitudinal | 50 J | 40 J | 30 J | –– |
Traverse | 35 J | 30 J | 27 J | –– |
APPLICATION
Machine building
Lifting equipment
Heavy transportation
Steel constructions
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