Transportable gas cylinders - Compatibility of cylinder and valve materials with gas contents
Part4:Testmethodsforselectingmetallicmaterialsresistantto hydrogenembrittlement
Nationalforeword
This British Standard was published by BSI. It is the UK implementation of EN ISO 11114-4:2005.
PVE/3 Gas containers to Submittee PVE/3/1 Valve fittings for gas The UK participation in its preparation was entrusted by Technical Committeecontainers.
A list of organizations represented on PVE/3/1 can be obtained on request to its secretary.
This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application.
legal obligations. Compliance with a British Standard cannot confer immunity from
Amendments issued since publication
This British Standard waspublished under the authority of the Standards Policy andStrategy Commitee on 30 April 2007
Amd. No. Date Comments
BSI 2007
ENISO11114-4
English Version
Transportablegascylinders-Compatibilityofcylinderandvalvematerialswithgascontents-Part4:Testmethodsforselectingmetallicmaterialsresistanttohydrogenembrittlement(ISO 11114-4:2005)
materiaux des bouteilles et des robinets avec les contenus Bouteilles a gaz transporlables - Compatibilite desgazeux - Partie 4: Methodes fessai pour le choix deIThydrogene (ISO 11114-4:2005)
Werkstoffen fur Gasflaschen und Ventle mit den in Ortsbewegliche Gasflaschen - Vertraglichkeit vonBerihrung kommenden Gasen - Teil 4: Prifverlahren zur Auswahl von metallischen Werkstoffen die gegen1111 OSt pus uppuyduoun BunpgdsoosuesseM 4:2005)
This European Standard was approved by CEN on 22 July 2005.
CEN members are bound to ply 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 nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.
This European Standard exists in three offcial versions (Engish French Geman). A version in any other language made by translation under theresponsibility of a CENmemberintoits own languageand notified t the CentralSecretariat has the same status as the officialversions.
Slovenia Spain Sweden Switzerland and United Kingdom. Germany.Greece Hungary loeland. Ireland taly Latvia Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Slovakia
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATIONEUROPAISCHES KOMITEE FUR NORMUNG
Management Centre: rue de Stassart 36 B-1050 Brussels
Foreword
cylinders" in collaboration with Technical Committee CEN/TC 23 *Transportable gas cylinders" the secretariatof which is held by BS1.
This European Standard shall be given the status of a national standard either by publication of an identical text or by endorsement at the latest by February 2006 and conflicting national standards shall be withdrawnat the latest by February 2006.
According to the CEN/CENELEC Intermal Regulations the national standards organizations of the followingcountries are bound to implement this European Standard: Austria Belgium Cyprus Czech Republic Luxembourg Malta Netherlands Norway Poland Portugal Slovakia Slovenia Spain Sweden Switzerlandand United Kingdom.
Endorsementnotice
The text of ISO 11114-4:2005 has been approved by CEN as EN ISO 11114-4:2005 without any modifications except as stated in normative annex NA.
NOTE Normative references to International Standards are listed in Annex ZA (normative).
INTERNATIONAL STANDARD
First edition 2005-08-01
Transportablegascylinders- Compatibilityofcylinderandvalve materialswithgascontents-
Part 4: Testmethodsforselectingmetallic materialsresistanttohydrogen embrittlement
Bouteilles a gaz transportables - Compatibilite des materiaux desbouteilles et des robinets avec les contenus gazeux
Partie 4: Methodes d'essai pour le choix de materiaux metalliques resistants a la fragilisation par /hydrogene
