Boilers (p < 5.88mpa, T < 450°c), And Coal-saving Devices, Superheaters And Reheaters Of High Pressure Boilers (p > 9.8mpa, 450°c < T < 650°c). dimensiondiameter: 114mm-630mm thickness: 4mm-50mm length: According To Your Requirementsspecification: 114-630mm*4-50mm...