Introduction about the hardness of PPR pipe fittings

Introduction about the hardness of PPR pipe fittings
PPR pipe fittings is widely used in home decoration industry in a pipe, and in the use of PPR pipe fittings, the hardness of the problem is very important.
In a variety of pipe applications, the hardness is the surface of the local volume, resistance to other hard objects produce plastic deformation capacity, usually with the tensile strength has a certain relationship. The hardness of general building materials mainly include yield strength, tensile strength, elongation and cold bending strength, etc., and the tensile strength of PPR tube including yield strength, ultimate tensile strength and fatigue strength. In today's determination of the hardness of the method will be a lot of, the most commonly used is the hardness of the general use HB.

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