SS-EN-14728 Imperfections in thermoplastic welds - Classification

SS-EN-14728 - 2019 EDITION - CURRENT
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This document specifies a system for classifying imperfections that may be encountered in thermoplastic welded joints during manufacture and provides examples of imperfections for the following welding processes: - heated tool butt welding; - heated tool socket welding; - electrofusion socket welding; - hot gas welding; - extrusion welding; - solvent socket welding. This document does not describe imperfections that may be generated during service or imperfections present before welding, which are due to poor preparation or assembly of components (e.g. fit up). The correct preparation and assembly of components (e.g. fit up) are described in the relevant welding procedure specification (WPS). This document is also not concerned with the search for the possible influence of these imperfections on the behaviour of joints in relation to the different types of stress to which the latter may be subjected or on methods for preventing such imperfections. This document can be used in conjunction with EN 16296 [1] to determine the acceptance of welds. Only imperfections giving rise to discontinuities of materials or changes in shape are taken into consideration in this document, specifying their type, their shape and their positions. This classification can be used to determine the possible origin or causes of the imperfections.

To find similar documents by classification:

25.160.40 (Welded joints and welds Including welding position and mechanical and non-destructive testing of welded joints)

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Designation Name

SS-EN 14728:2019

Revision Level

2019 EDITION

Status

Current

Publication Date

Feb. 28, 2019

Language(s)

English

Page Count

44

International Equivalent

EN 14728:2019(IDT)