BSENIS011114-4:2017 BSl Standards Publication Transportable gas cylinders Compatibility of cylinder and valve materials with gas contents Part 4: Test methods for selecting steels resistant to hydrogen embrittlement bsi. BSENIS011114-4:2017 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation of ENIS0 11114-4:2017. It is identicaltoIS011114-4:2017.It supersedesBSENIS011114-4:2005, which is withdrawn. The UK participation in its preparation was entrusted to Technical CommitteePVE/3,Gascontainers. Alist of organizationsrepresented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication TheBritishStandardsInstitution2017 Published by BSI Standards Limited 2017 ISBN9780580839573 ICS 23.020.35 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyand StrategyCommitteeon30 June2017. Amendments/corrigendaissuedsincepublication Date Textaffected BSENIS011114-4:2017 EN IS0 11114-4 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHE NORM April 2017 ICS23.020.35 Supersedes ENIS011114-4:2005 EnglishVersion Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 4: Test methods for selecting steels resistant to hydrogen embrittlement (IS0 11114-4:2017) Bouteilles a gaz transportables - Compatibilite des Ortsbewegliche Gasflaschen - Vertraglichkeit von materiaux et des robinets avec les contenus gazeux - Werkstoffen fur Gasflaschen und Ventile mit den in Partie 4: Methodes d'essai pour le choix des aciers Beruhrungkommenden Gasen-Teil 4:Prufverfahren resistants a la fragilisation par I'hydrogene (ISO zur Auswahl von Stahlen, die gegen 11114-4:2017) Wasserstoffversprodung unempfindlich sind (IsO 11114-4:2017) ThisEuropeanStandardwasapprovedbyCENon8December2016 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 ofa 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, Serbia, Slovakia, Slovenia, Spain,Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels @2017CEN All rights of exploitation in any form and by any means reserved Ref. No.EN ISO 11114-4:2017 E worldwide for CEN national Members.