BS EN ISO 13479:2022

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Polyolefin pipes for the conveyance of fluids — Determination of resistance to crack propagation — Test method for slow crack growth on notched pipes

Published By	Publication Date	Number of Pages
BSI	2022	30

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Categories: 23.040.20 - Plastics pipes, BSI

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Description

This document specifies a test method for determining the resistance to slow crack growth of polyolefin pipes, expressed in terms of time to failure in a hydrostatic pressure test on a pipe with machined longitudinal notches in the outside surface. The test is applicable to pipes of wall thickness greater than 5 mm.

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PDF Pages	PDF Title
2	undefined
5	European foreword Endorsement notice
9	Foreword
10	1 Scope 2 Normative references 3 Terms and definitions 3.1 Terms related to geometrical dimensions
11	3.2 Terms related to machining of notches
12	4 Symbols and abbreviation 4.1 Symbols 4.2 Abbreviated terms 5 Principle
13	6 Apparatus 7 Test piece preparation 7.1 General
14	7.2 Test pieces 7.3 Notch location and measurement of dimensions 7.4 Machining the notches
16	7.5 Number of test pieces 8 Conditioning 9 Procedure 9.1 Hydrostatic-pressure testing 9.2 Ligament thickness measurement after testing
17	10 Test report
19	Annex A (normative) Ligament thicknesses
22	Annex B (informative) Test-pressure levels for polyethylene
23	Annex C (informative) Recommended requirements for polyethylene
24	Annex D (normative) Test procedure for the accelerated notched pipe test (ANPT) for PE 100-RC pipes
27	Annex E (normative) Method of measuring notch radius
28	Bibliography

Additional information

Status	Definitive
Pages	30
Publication Date	2022-07-31
ISBN	978 0 539 02482 1
Standard Number	BS EN ISO 13479:2022
Title	Polyolefin pipes for the conveyance of fluids — Determination of resistance to crack propagation — Test method for slow crack growth on notched pipes
Identical National Standard Of	EN ISO 13479, ISO 13479
Replaces	BS EN ISO 13479:2009
Descriptors	Crack-opening displacement tests, Plastic pipelines, Test specimens, Hydrostatic pressure, Fracture, Thermoplastic polymers, Polyolefins, Diameter, Failure (mechanical), Thickness, Plastics, Cracking, Testing conditions, Notches, Splitting tests, Thickness measurement, Pipes, Specimen preparation, Pressure testing
Publisher	BSI
Committee	PRI/88
ICS Codes	23.040.20 - Plastics pipes

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BS EN ISO 13479:2022

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