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Homepage>BS Standards>23 FLUID SYSTEMS AND COMPONENTS FOR GENERAL USE>23.040 Pipeline components and pipelines>23.040.20 Plastics pipes>BS ISO 23228:2011 Thermoplastics pipes for the conveyance of fluids. Determination of the stress-rupture resistance of moulding materials using plain strain grooved tensile (PSGT) specimens
immediate downloadReleased: 2011-10-31
BS ISO 23228:2011 Thermoplastics pipes for the conveyance of fluids. Determination of the stress-rupture resistance of moulding materials using plain strain grooved tensile (PSGT) specimens

BS ISO 23228:2011

Thermoplastics pipes for the conveyance of fluids. Determination of the stress-rupture resistance of moulding materials using plain strain grooved tensile (PSGT) specimens

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Standard number:BS ISO 23228:2011
Pages:20
Released:2011-10-31
ISBN:978 0 580 57523 5
Status:Standard
DESCRIPTION

BS ISO 23228:2011


This standard BS ISO 23228:2011 Thermoplastics pipes for the conveyance of fluids. Determination of the stress-rupture resistance of moulding materials using plain strain grooved tensile (PSGT) specimens is classified in these ICS categories:
  • 23.040.20 Plastics pipes

This International Standard specifies a method for the determination of the time-to-failure of thermoplastics resins and compounds for piping and fitting applications by the use of a plane strain grooved tensile specimen in a stress-rupture test.

The grooved tensile specimen produces a biaxial state of stress on uni-axial loading, which is taken to be indicative of the stress conditions found in pressurized solid-wall plastics pipes. The ratio of the stress in the axial direction to the transverse direction approximates that for a pressurized end-capped solid-wall pipe specimen[4]–[7].

It is intended that the data generated on these specimens be utilized to determine the stress-rupture (time to failure) resistance of moulding materials for pipes and fittings as well as experimental piping resins.

This method is also applicable to stress-rupture evaluations of pipes which are difficult to test, e.g. larger diameter pipes, including their batch release tests.

This International Standard is not intended to replace the stress-rupture test of ISO 1167[2], which uses internally pressurized end-capped pipes.