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CEN
EN 12814-3:2014

EN 12814-3:2014

Current

Current

The latest, up-to-date edition.

Testing of welded joints in thermoplastics semi-finished products - Part 3: Tensile creep test

Published date

02-26-2014

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and designations
5 Principle of the test
6 Sampling procedures
7 Dimensions of test specimens
8 Cutting and preparation of test specimens
9 Mechanical testing
10 Test equipment
11 Determination of the long-term welding factor
12 Test report
Annex A (informative) - Resistance to slow crack growth
Annex B (informative) - Whole pipe tensile creep rupture test
Annex C (informative) - Minimum creep rupture time of the
        parent material (t[tm]) for applicability of the
        long-term welding factor
Annex D (informative) - Testing of socket joints
Bibliography

This European Standard specifies the dimensions, the method of sampling and the preparation of the test specimens, and the conditions for performing the tensile creep test perpendicular to the weld in order to determine the long-term tensile welding factor.A tensile creep test may be used in conjunction with other tests (e.g. bend test, tensile test, macrographic examination,...) to assess the performance of welded assemblies, made from thermoplastics materials.The test is applicable to welded assemblies made from thermoplastics materials filled or unfilled such as tubes and fittings, sheets, plates and profiles, but not reinforced, irrespective of the welding process used.

Committee
CEN/TC 249
DevelopmentNote
Supersedes PREN 12814-3. (03/2014)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

EN 12814-8:2001/AC:2003 TESTING OF WELDED JOINTS OF THERMOPLASTICS SEMI-FINISHED PRODUCTS - PART 8: REQUIREMENTS
I.S. EN 12814-8:2002 TESTING OF WELDED JOINTS OF THERMOPLASTICS SEMI-FINISHED PRODUCTS - PART 8: REQUIREMENTS
BS EN 12814-8:2001 Testing of welded joints of thermoplastic semi-finished products Requirements

EN 13100-1:2017 Non destructive testing of welded joints of thermoplastics semi-finished products - Part 1: Visual examination
EN 1778:1999 Characteristic values for welded thermoplastics constructions - Determination of allowable stresses and moduli for design of thermoplastics equipment
ISO 899-1:2017 Plastics — Determination of creep behaviour — Part 1: Tensile creep

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