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ISO/NP 19251-1

Thermoplastic pipes for the conveyance of fluid — Hydro axial tension (HAT) test — Part 1: Resistance of pipe or pipe/joint assemblies to tensile loading

General information

10.20     Aug 7, 2024

ISO

ISO/TC 138/SC 5

International Standard

Scope

This document specifies a method for determining the longitudinal tensile properties of pipe or pipe/pipe or pipe/fitting assemblies using hydrostatic pressure at (23 ± 2) °C. The method accommodates water-in-water and liquid-in-liquid tests. The document is applicable to pipes and their assemblies with fused and bonded joints.
The method provides load-displacement curves, from which determines

-the longitudinal strengths (σ_LY , σ_LU, σ_LB)
-the percent elongation (ϵ_LB)
-the energy for pipe or joint failure (UT).

Life cycle

NOW

IN_DEVELOPMENT
ISO/NP 19251-1
10.20 New project ballot initiated
Aug 7, 2024

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