A brief introduction of S690QL S690QL chemical composition Alternative Title The largest element content [ %] Cu 0.50, Mo 0.70, Nb 0.06, Ni 2, Ti 0.05, V 0.12, Zr 0.15 S690QL implementation of standards WYJ, EN10025-6 The use of S690QL S690QL for low temperature resistance, high strength of key parts, construction machinery, mining machinery structure, the European standard high strength steel plate, the corresponding Q690E GB Wugang high strength plate, manufacturing various types of engineering machinery, such as various types of mines and construction projects with the drill, electric, electric wheel dump truck, mining vehicles, excavators, loaders, bulldozers, various types of cranes, hydraulic support of coal mine machinery and equipment and other structural parts. Mechanical properties of S690QL S690QL: the yield strength of sigma 0.2 > 690 - > 650 MPa, S690QL: tensile strength o b 770-940MPa, S690QL: extending rate of more than 14 & 5%, S690QL: - 40 C V impact work longitudinal = 30J.
