Metallicindustrialpiping
Part8:Additionalrequirementsforaluminiumandaluminiumalloypiping
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National foreword
ISBN 978 0 580 84549 9
ICS 23.040.01
This British Standard is the UK implementation ofis withdrawn. EN 13480-8:2012A1:2014. It supersedes BS EN 13480-8:2012 which
Changes introduced in the text by CEN are indicated in the textby sidelines.
The UK participation in its preparation was entrusted to Technical Committee PVE/10 Piping systems.
Alist of organizations represented on this mittee can be obtainedon request to its secretary.
This publication does not purport to include althe necessary provisions of a contract. Users are responsible for its correct application.
The British Standards Institution 2014.Published by BSI Standards Limited 2014
Compliance with a British Standard cannot confer immunity from legal obligations.
This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 31 December 2012.
Amendments/corrigenda issued since publication
Date Text affected31 July 2014 31 October 2014 Implementation of CEN amendment A1:2014 Implementation of CEN Correction Notice27 August 2014: See details in Annex Y
EN13480-8:2012A1
Supersedes EN 13480-8:2012
English Version
Metallicindustrialpiping-Part8:Additionalrequirementsforaluminium and aluminiumalloy piping
Tuyauteries industrielles metalliques - Partie 8: Exigencesplementaires relatives aux tuyauteries en aluminium et wnuwnje p sabee
Metalische industrielle Rohrleitungen - Teil 8:Zusatzanforderungen an Rohrleitungen aus Aluminium und Aluminumlegierungen
This European Standard was approved by CEN on 8 May 2012.
CEN members are bound to ply with the CEN/CENELEC Intemal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references conceming such nationalstandards may be obtained on aplication to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (Engish French German). A versionin any other language made by translation under the responsibilty of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the samestatus as the official versions.
CEN members are the national standards bodies of Austria Belgium Bulgaria Croatia Cyprus Czech Repubic Denmark Estonia Finland France Gemany Greece Hungary Iceland Ireland ltaly Latvia Lithuania Luembourg Mala Netherlands Nrway Poland Portugal Romania Slovakia Slovenia Spain Sweden Switzerland Turkey and United Kingdom.
COMITE EUROPEEN DE NORMALISATION EUROPEAN COMMITTEE FOR STANDARDIZATIONEUROPAISCHES KOMITEE FUR NORMUNG
Management Centre: Avenue Marnix 17 B-1000 Brussels
Contents
Page
Foreword.. ..51 Scope. ..72 Normative references.3 Terms definitions symbols and units...4 General requirements. ..95 5.1 General.. Materials ..95.3 5.2 Material grouping system. Elongation after fracture.. 10 ..5.4 Chemical position. ..15.5 5.6 Lamellar tearing. Design temperature and properties. ...1 .115.8 5.7 Specific requirements for fasteners made of aluminium and aluminium alloys Prevention of brittle fracture ..11 ..125.9 5.10 Lined piping. Clad products. ... 125.11 Technical delivery conditions for welding consumables. .126 Design... General.. ..126.1 6.2 Time-independent nominal design stress. .... 126.3 6.4 Straight pipes. Pipe bends and elbows.. ..136.5 6.6 Socket welds. Mitre bends. .... 146.7 6.7.1 Designing with transition joint.. Design considerations.6.7.2 Location of transitionjoints ..156.7.3 Requirements for transition joints. 157 7.1 General.. Fabrication and installation.... ..15 ..57.2 7.3 Material grouping. Tolerances. .1. .1.7.3.1 7.3.2 Welded pipes and connection dimensions of pipefitings. Welded piping construction .... ..167.4 Cutting and bevelling....7.5 7.5.1 General.. Bending and other forming.. ... ..177.5.2 7.5.3 Definitionof cold-and hot forming. Heat treatment after cold forming... ...7 177.5.4 7.6 Welding. Heat treatment after hot forming.. ... ..197.6.1 Welding personne..7.6.3 7.6.2 Welding processes. Weld joint preparation.7.6.4 7.6.5 Preheating. Backing rings and backing strips ..21 .207.6.6 Post-weld heat treatment (PWHT) .21
8 Inspection and testing .218.1 8.2 Formed pressure retaining parts. General 21 .218.2.1 8.2.2 General Testing of formed parts 21 228.2.3 Destructive testing of formed and heat treated parts.. Welding.... 228.3 8.4 Visual and non-destructive testing of welds .23 .238.4.1 8.4.2 Circumferential branch socket and seal welds Application of NDT. .23 .238.4.3 8.5 Longitudinal welds and spiral welded tubes/pipes VT and NDT Methods .... .24 248.6 Production test plates for welded pipes . ...59.1 9 Final assessment and documentation. General .26 .269.2 Pneumatic pressure test...... 279.3 Annex A (informative) Dimensional tolerances. Documentation for ponents. .29Annex B (normative) Transition joints ..1Annex C (normative) Nominal design stress values .. .31Annex Y (informative) History of EN 13480-8. .42Annex ZA (informative) Relationship between this European Standard and the EssentialBibliography.. Requirements of EU Directive 97/23/EC. ..4. .44
Figures
Tables
Table 5.2-1- Grouping system based on CEN ISO/TR 15608:2005 and EN AW numbers according toEN 573-3:2009 .10Table 6.2-1 - Design stresses for aluminium and aluminium alloy material .12Table 6.2-2 - Allowable design strength values for 6 000 series aluminium alloys in the welded condition (see5.6) .13Table 6.5-1 - Special symbols for subclause 6.5 ..14Table 7.3-1 - Tolerances for welded pipes. .16Table 7.5-1 - Heat treatment of flat products after cold forming .18Table 7.5-3 - Heat treatment after hot forming... .19Table 8.2-1 - Destructive testing of formed and heat treated parts .23
