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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 13956:2025

ISO 13956:2025 Plastics pipes and fittings — Decohesion test of polyethylene (PE) saddle fusion joints — Evaluation of ductility of fusion joint interface by tear test

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This publication was last reviewed and confirmed in 2025.

Plastics pipes and fittings — Decohesion test of polyethylene (PE) saddle fusion joints — Evaluation of ductility of fusion joint interface by tear test

Description

This document specifies a method for the evaluation of the ductility of the fusion joint interface of assemblies of polyethylene (PE) pipe and electrofusion saddles, intended for the conveyance of fluids.

NOTE            The applicability of this method depends upon the design of the saddle. If not applicable, the strip-bend test according to ISO 21751[1
08D0C9EA79F9BACE118C8200AA004BA90B0200000008000000100000005200650066006500720065006E00630065005F007200650066005F0031000000
]
is considered an alternative.

Edition

2

Published Date

2026-06-19

Status

PUBLISHED

Pages

10

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies a method for the evaluation of the ductility of the fusion joint interface of assemblies of polyethylene (PE) pipe and electrofusion saddles, intended for the conveyance of fluids.

NOTE            The applicability of this method depends upon the design of the saddle. If not applicable, the strip-bend test according to ISO 21751[1 08D0C9EA79F9BACE118C8200AA004BA90B0200000008000000100000005200650066006500720065006E00630065005F007200650066005F0031000000 ] is considered an alternative.

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