It is below 420 degrees Celsius. The temperature resistance range of Q345 boiler vessel plate is below 420 degrees Celsius. If the Q345 boiler vessel plate works above 420 degrees for a long time, it will be carbonized and damaged. Q345R boiler vessel plate is widely applied in petroleum, chemical, power stations, boilers and other industries. It is generally used to make reactors, heat exchangers, separators, air ducts, liquefied gas tanks, boiler gas bags and liquefied petroleum gas bottles, etc..

Note: 420 degrees Celsius is approximately equal to 215.56 degrees Fahrenheit.

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