BS EN ISO 13479:2022 – TC:2023 Edition
$186.33
Tracked Changes. 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 | 2023 | 61 |
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.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 32 | undefined |
| 35 | European foreword Endorsement notice |
| 39 | Foreword |
| 40 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 Terms related to geometrical dimensions |
| 41 | 3.2 Terms related to machining of notches |
| 42 | 4 Symbols and abbreviation 4.1 Symbols 4.2 Abbreviated terms 5 Principle |
| 43 | 6 Apparatus 7 Test piece preparation 7.1 General |
| 44 | 7.2 Test pieces 7.3 Notch location and measurement of dimensions 7.4 Machining the notches |
| 46 | 7.5 Number of test pieces 8 Conditioning 9 Procedure 9.1 Hydrostatic-pressure testing 9.2 Ligament thickness measurement after testing |
| 47 | 10 Test report |
| 49 | Annex A (normative) Ligament thicknesses |
| 52 | Annex B (informative) Test-pressure levels for polyethylene |
| 53 | Annex C (informative) Recommended requirements for polyethylene |
| 54 | Annex D (normative) Test procedure for the accelerated notched pipe test (ANPT) for PE 100-RC pipes |
| 57 | Annex E (normative) Method of measuring notch radius |
| 58 | Bibliography |
