ASTM D2143 - 15

    Стандартный метод испытания для определения стойкости труб из армированной термореактивной пластмассы к циклическому воздействию давления

    Active Standard ASTM D2143 Developed by Subcommittee: D20.23

    Book of Standards Volume: 08.03


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    Significance and Use

    5.1 The values obtained by this test method are applicable only to conditions that specifically duplicate the procedures used.

    5.2 After the regression characteristics of a pipe material and manufacturing process have been determined by this test method, one pressure may be used for quality-control purposes. This pressure shall be one of the points used in the original determination and be agreed upon between the individuals concerned.

    5.3 This test method deals with cyclic internal pressure performance of a pipe and omits creep and nonrecoverable deformation measurements.

    5.4 For determination of the cyclic hydrostatic design basis using data from this test method see Practice D2992.

    5.5 In the application of the following test requirements and recommendations it is assumed that test specimens of a given sample of pipe are truly representative of that material and manufacturing process. In tests conducted to show the effect of temperature and pressures on the life span of the pipe, great care must be taken to ensure that the specimens being tested are representative of the group being studied. Departure from this assumption could introduce discrepancies that are greater than those introduced by departure from the details of the procedure outlined in this test method.