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EN10025-6 S690QL steel for construction machinery

EN10025-6 S690QL steel for construction machinery

EN10025-6 S690QL steel is used for low-temperature, high-strength key components, construction machinery, mining machinery structures. European standard high-strength steel plate S690Q is mainly used for manufacturing various construction machinery, such as mines and various types Drilling rigs, electric shovel, electric wheel dump trucks, mining trucks, excavators, loaders, bulldozers, various cranes, coal mine hydraulic supports and other mechanical equipment and other structural parts used in engineering construction. 
Chemical composition: (element content, %) 
Zr 0.15 

S690QL mechanical properties 
Yield strength σ0.2 ≥690-≥650 MPa 
Tensile strength σb 770-940MPa 
Elongation ≥14 δ5% 
-40℃V type impact energy longitudinal ≥30J. 

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