What is Q345R steel?

Q345R steel is common low alloy steel, it is the boiler pressure vessel commonly used steel type, the delivery state: hot rolled or normalization.

Q345R steel is a combination of 16Mng, 19 Mng and GB6654-1996, and GB150 specified the thickness range is 3 ~ 200mm. The limit value of the tensile strength with low carbon content and standard is no more than 540Mpa, and it has good weldability, in common conditions cold and hot crack are not easy to form. However, the same as the 20 # carbon manganese structure steel, with large thickness and in low ambient temperature working environment, it produces cold, hot cracks.

Q345R steel is usually produced in hot rolled state: hot rolled Q345R steel plate, Q345R steel coil, Q345R steel sheet and so on.

BBN steel supplies Q345R Steel Plate as well as steel coils and seamless steel pipes for boiler and pressure vessel manufacture, if you are interested in buying Pressure Vessel Steel Plate, please contact us now!

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