S690Q is used in the manufacture of low temperature resistant, high strength key components, construction machinery, mining machinery structure, etc., [TJC STEEL]is a high strength structural steel plate.  

 

Execution Standard  

GB/T16270-2009  

 

Mechanical Properties

Yield strength σ0.2 ≥690-≥650 MPa  

 

Relevant Series Steels with S690Q

S590Q, S690Q, S690Q, S690QL,[TJC STEEL] S690QL1, WQ690D, Q550D, WQ590D, WH70Q, WDB620E, WH785E  

 

Chemical Composition  

Element content - [maximum %]  

The maximum values of Cu, Mo, Nb, Ni, Ti, V and Zr are 0.50, 0.70, 0.06, 2.0, 0.05, 0.12 and 0.15 respectively[TJC STEEL]  

 

Execution Standard  

EN10025-6, GB/T16270-2009  

 

Application

S690Q is used in the manufacture of low temperature resistant, high strength key components, construction machinery, mining machinery structure, etc., is a high strength structural steel plate.  

 

Mechanical Properties

S690Q: yield strength σ0.2 ≥690-≥650 MPa, S690Q: tensile strength σ B 770-940mpa, S690Q: elongation ≥14 δ 5%, S690Q: [TJC STEEL]-20℃V type impact energy longitudinal ≥30J.