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Chemical composition and properties of S690QL quenched and tempered high-strength steel

S690QL steel plate is European standard high-strength steel plate, corresponding to Chinese standard Q690E high-strength plate.

Chemical composition of S690QL high-strength steel:
Element Content [Max %]:
Cu max 0.50, Mo max 0.70, Nb max 0.06, Ni max 2.0, Ti max 0.05, V max 0.12, Zr max 0.15

Mechanical properties of S690QL steel plate:
S690QL: Yield strength σ0.2 ≥690 MPa, S690QL: Tensile strength σb 770-940MPa, S690QL: Elongation ≥14 δ5 %, S690QL: -40℃ V-shaped impact energy longitudinal ≥30J.

S690QL steel plates are used to manufacture various construction machinery, such as mining and various engineering construction drilling rigs, electric shovels, electric wheel dump trucks, mining vehicles, excavators, loaders, bulldozers, various cranes, coal mine hydraulic supports and other mechanical equipment and other structural parts.

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