Q390E low alloy high strength structural steel information

The executive standard of Q390E steel is GB/T 1591-2018.

The same material of Q390E high-strength structural steel plate is Q420 steel, Q460 steel, Q500 steel, Q550 steel, Q690 steel, Q890 steel, Q980 steel.

Compared with Q345 steel, Q390E steel has higher strength level and higher comprehensive mechanical properties.

Q390E steel is generally used in hot rolling or normalizing state. Q390E steel is suitable for manufacturing medium and high pressure boiler drums, medium and high pressure petrochemical vessels, pipelines, large ships, bridges and other welded structural parts with relatively high loads.