Ultra wear-resistant composite pipe How much pressure can be applied depends on its pipe diameter and wall thickness. In addition, the pressure test should meet the pressure requirement of 1.5 times.
The normal pressure test of super wear-resistant composite pipe is water pressure, and the exhaust valve is not required. Whether the pressure gauge is accurate when the pipe burst, or perhaps the pressure is pressed under high temperature, all the exclusion is a pipe quality problem
In addition, the tensile strength of the super wear-resistant composite pipe has nothing to do with the wall thickness, and there is no calculation formula. The tensile strength of the super wear-resistant composite pipe is the large tensile force received per unit area when it breaks after being stressed. The tensile strength represents the resistance of raw materials to large average plastic deformation. Before receiving the large average tensile stress, the deformation of the tensile sample is average, but after exceeding, the metal begins to shrink, that is, collective deformation occurs; For brittle raw materials without (or very small) average plastic deformation, it reflects the fracture resistance of raw materials. The symbol is Rm (the symbol of tensile strength in the old GB/T 228-1987 regulations is σ b) , the unit is MPa.
