Flatproductsmadeofsteelsforpressurepurposes
Part 7: Stainless steels
bsi.
Nationalforeword
supersedes BS EN 10028-7:2007 which is withdrawn. This British Standard is the UK implementation of EN 10028-7:2016. It
The UK participation in its preparation was entrusted to TechnicalCommittee ISE/107 Steels for Pressure Purposes.
A list of organizations represented on this mittee can be obtained onrequest to its secretary.
This publication does not purporttoinclude all the necessary provisions of a contract. Users are responsible for its correct application.
The British Standards Institution 2018Published by BSI Standards Limited 2018
ISBN 978 0 539 01413 6
ICS 77.140.30; 77.140.20; 77.140.50
Compliance with a British Standard cannot confer immunity fromlegal obligations.
Standards Policy and Strategy Committee on 31 July 2016.
This British Standard was published under the authority of the
Amendments/corrigenda issued since publication
Date Text affected30 June 2018 2016: deletion of third paragraph in European Implementation of CEN correction notice 27 July30 June 2018 Implementation of CEN correction notice 27 July2016: replacement of Introduction
EN10028-7
Supersedes EN 10028-7:2007
English Version
Flatproductsmadeof steelsforpressurepurposes-Part 7:Stainless steels
Produits plats en aciers pour appareils a pression - Partie 7: Aciers inoxydables Flacherzeugnisse aus Druckbehailterstihlen Teil 7: Nichtrostende Stihle
This European Standard was approved by CEN on 15 April 2016.
CEN members are bound to ply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving thisEuropean Standard the status of a national standard without any alteration Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENmember.
q apu aene ao ue u uoa y (ua s) ssaa o a u ssixa pueps udng s translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC ManagementCentre has the same status as the official versions.
CEN members are the national standards bodies of Austria Belgium Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland Former Yugoslav Republic of Macedonia France Germany Greece Hungary Iceland Ireland taly Latvia Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Romania Slovakia Slovenia Spain Sweden Switzerland Turkey and United Kingdom.
CEN-CENELEC Management Centre: Avenue Marnix 17 B-1000 Brussels
Contents
European foreword 4Introduction. .51 Scope.. .62 Normative references...3 Terms and definitions... 64 Tolerances on dimensions. .65 Calculation of mass... 76 Classification and designation. 77 7.1 Information to be supplied by the purchaser. Mandatory information.. 7 77.2 Options..7.3 Example for ordering Requirements.8 8.1 Steelmaking process. 7 78.2 8.3 Chemical position and chemical corrosion properties. Delivery condition.. 78.4 Mechanical properties. .8 78.5 8.6 Surface condition. Internal soundness. 88.7 Physical properties... .88.8 Weldability. Inspection. .89 9.1 Types of inspection and inspection documents. 9 .99.2 Tests to be carried out. Re-tests sorting and reprocessing. .99.3 10 Sampling.. 9 910.1 Frequency of testing. .910.2 Selection and preparation of samples and test pieces.11 Test methods. 912 Marking.Annex A (informative) Guidelines for further treatment (including heat treatment in fabrication). .34Annex B (informative)Post weld heat treatment. ..39ferritic steels at elevated temperatures..Annex D (informative) Reference data of strength values for 1 % (plastic) creep strain and creep rupture .... .42Annex E (informative) Reference data on mechanical properties of austenitic steels atroom temperature and at low temperatures.. ..51
Annex F (informative) Significant changes to the version EN 10028-7:2007 .52Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of Directive 2014/68/EU 53Bibliography. .54