This part of GB/T 16507 specifies the strength calculation of pressure parts used in water-tube boilers and the designed permissible stress of materials, and determines the method for verifying the maximum permissible working pressure of parts.
This part is applicable to the pressure parts of water-tube boilers defined in GB/T 16507.1, including boiler drum, header drum, tube, pipeline within the range of boiler, convex head, flat lid and cover plate, tee joint and other non-rectangular components.