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STANDARDSIST EN 12516-2:20041DGRPHãþD
SIST EN 12516-2:2015
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12516-2
October 2014 ICS 23.060.01 Supersedes EN 12516-2:2004English Version
Industrial valves - Shell design strength - Part 2: Calculation method for steel valve shells
Robinetterie industrielle - Résistance mécanique des enveloppes - Partie 2 : Méthode de calcul relative aux enveloppes d'appareils de robinetterie en acier
Industriearmaturen - Gehäusefestigkeit - Teil 2: Berechnungsverfahren für drucktragende Gehäuse von Armaturen aus Stahl This European Standard was approved by CEN on 9 August 2014.
CEN members are bound to comply with the CEN/CENELEC Internal 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 concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre 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, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
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B-1000 Brussels © 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12516-2:2014 ESIST EN 12516-2:2015
EN 12516-2:2014 (E) 2 Contents Page Foreword .4 1 Scope .7 2 Normative references .7 3 Symbols and units .7 4 General conditions for strength calculation . 12 5 Design pressure . 13 6 Nominal design stresses for pressure parts other than bolts . 13 6.1 General . 13 6.2 Steels and cast steels other than defined in 6.3, 6.4 or 6.5 . 14 6.3 Austenitic steel and austenitic cast steel with a minimum rupture elongation not less than 30 % . 14 6.4 Austenitic steel and austenitic cast steel with a minimum rupture elongation not less than 35 % . 15 6.5 Ferritic and martensitic cast steel. 15 6.6 Creep conditions. 15 7 Calculation methods for the wall thickness of valve bodies . 15 7.1 General .
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