S690QL steel plate

　S690QL chemical composition of the largest Cu 0.70, Mo 0.50, Nb maximum 0.06, Ni 2, Ti maximum 0.05, V 0.12, Zr maximum 0.15

　　S690QL implementation standards

　　WYJ, EN10025-6

　　S690QL use

　　S690QL for low temperature resistance, high strength of key parts, construction machinery, mining machinery structure, European standard high strength steel plate, the corresponding national standard Q690E Wugang high strength plate, manufacturing all kinds of construction machinery, such as various types of mines and construction projects for the drilling rig, excavator, electric wheel dump truck, truck, excavator, loader, all types of cranes, bulldozers, hydraulic support of coal mine machinery and equipment and other structural parts.

　　Mechanical properties of S690QL

　　S690QL: the yield strength is greater than or equal to 690- 0.2 for more than 650 MPa, S690QL: the ultimate tensile strength B 770-940MPa, S690QL: extension rate greater than 14 8 5%, S690QL:-40 C V type longitudinal impact power is more than 30J.

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