What is the maximum thickness of S690QL material equivalent

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Q460 series steel means that the plastic deformation of the steel material reaches 460 MPa, that is, when the external force is released, the steel can only maintain the shape of the force and cannot return to its original shape. This strength is greater than that of ordinary steel. The general quality grade symbols are respectively A, B, C, D, E. On the basis of ensuring low carbon equivalent, Q460 appropriately increases the content of microalloying elements. Good welding performance requires low carbon equivalent of steel S690QL material equivalent, and the increase of microalloying elements increases the strength of steel while also increasing the carbon equivalent of steel.

The weldability of S690QL material equivalent is good. It means that under certain process and construction conditions, S690QL material equivalent can obtain good performance after welding. Weldability is a measure of the hot workability of steel. Weldability can be divided into weldability in construction and weldability in use. Weldability in construction refers to the sensitivity of cracking in weld metal and near seam zone, and hardening sensitivity of steel in near seam zone. Good weldability means that under certain welding process conditions, the weld metal and steel near the seam do not produce cracks. Weldability in use means that the mechanical properties of weld and HAZ steel are not lower than those of base metal.

Our company is a specialized technical support and after-sales service organization - customer service center. At the same time, we have provided excellent technical S690QL material equivalent personnel and strong technical support for our company, and cultivated an excellent after-sales team for our company. Our company will appoint a full-time service manager to be responsible for the unified coordination of technical support and S690QL material equivalent after-sales service of the project.