English version ICS 23.020.30; 23.060.40 Descriptors: Gas cylinders, valves, materials, compatibility, testing. Central Secretariat: rue de Stassart 36, B-1050 Brussels European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Transportable gas cylinders Compatibility of cylinder and valve materials with gas contents Part 1: Metallic materials (ISO 11114-1 : 1997, including Corrigendum AC : 1998) © 1997. CEN – All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN ISO 11114-1 : 1997 + AC : 1998 E Bouteilles à gaz transportables – Compatibilité des matériaux des bouteilles et des robinets avec les contenus gazeux – Partie 1: Matériaux métalliques (ISO 11114-1 : 1997, Corrigendum AC : 1998 inclus) Ortsbewegliche Gasflaschen – Verträglichkeit von Werkstoffen für Gasflaschen und Ventile mit den in Berührung kommenden Gasen – Teil 1: Metallische Werkstoffe (ISO 11114-1 : 1997, einschließlich Berichtigung AC : 1998) This European Standard was approved by CEN on 1997-09-18 and Corrigendum AC on 1998-04-02. 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 Central Secretariat or to any CEN member. The European Standards exist 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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. | October 1997 + AC April 1998 EN ISO 11114-1 www.bzfxw.com
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English version
ICS 23.020.30; 23.060.40
Descriptors: Gas cylinders, valves, materials, compatibility, testing.
Central Secretariat: rue de Stassart 36, B-1050 Brussels
European Committee for StandardizationComité Européen de NormalisationEuropäisches Komitee für Normung
Transportable gas cylindersCompatibility of cylinder and valve materials with gas contents
Part 1: Metallic materials(ISO 11114-1 : 1997, including Corrigendum AC : 1998)
© 1997. CEN – All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.
Ref. No. EN ISO 11114-1 : 1997 + AC : 1998 E
Bouteilles à gaz transportables –Compatibilité des matériaux desbouteilles et des robinets avec lescontenus gazeux – Partie 1:Matériaux métalliques(ISO 11114-1 : 1997, CorrigendumAC : 1998 inclus)
Ortsbewegliche Gasflaschen –Verträglichkeit von Werkstoffen fürGasflaschen und Ventile mit den inBerührung kommenden Gasen –Teil 1: Metallische Werkstoffe(ISO 11114-1 : 1997, einschließlichBerichtigung AC : 1998)
This European Standard was approved by CEN on 1997-09-18 and CorrigendumAC on 1998-04-02.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational 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 anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Central Secretariat has thesame status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland,and the United Kingdom.
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October 1997
+ ACApril 1998
EN ISO 11114-1
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Page 2EN ISO 11114-1 : 1997 + AC : 1998
Annex ZZ (informative) Corresponding International and European Standardsfor which equivalents are not given in the text
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Page 3EN ISO 11114-1 : 1997 + AC : 1998
The text of the draft standard was submitted to the Formal Vote and was approved by CEN asEN ISO 11114-1 on 1997-09-18.
This European Standard has been submitted for reference into the RID and/or in the technicalannexes of the ADR. Therefore in this context the standards listed in the normative referencesand covering basic requirements of the RID/ADR not addressed within the present standard arenormative only when the standards themselves are referred to in the RID and/or the technicalannexes of the ADR.
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Page 4EN ISO 11114-1 : 1997 + AC : 1998
NOTE: In this standard the term ‘cylinder’ refers to transportable pressure receptacles,which also include tubes and pressure drums.
: 1996
: 1996
: 1995
: 1996
: 1997
: 1997
EN 10088-1 Stainless steels – Part 1: List of stainless steelswww.bzfxw.com
Page 5EN ISO 11114-1 : 1997 + AC : 1998
ISO 10156 : 1996 Gases and gas mixtures – Determination of fire potential andoxidizing ability for the selection of cylinder valve outlets
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Page 6EN ISO 11114-1 : 1997 + AC : 1998
4.3.4 Reference is made in this standard to stainless steels by their commonly used AISIidentification numbers, e.g. 304. The equivalent grades in EN 10088-1 are as follows:
304 1.4301
304L 1.4306 – 1.4307
316 1.4401
316L 1.4404
ISO 10156 or EN 720-2).
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Page 7EN ISO 11114-1 : 1997 + AC : 1998
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Page 8EN ISO 11114-1 : 1997 + AC : 1998
NOTE: For 34 Cr Mo 4 Q and T steels and equivalent hydrogen partial pressures above5 MPa (50 bar), the maximum ultimate tensile strength (UTS) of the steel should be950 MPa. Some standards specify testing methods to select appropriate steels withappropriate maximum UTS for hydrogen cylinders. Equivalent partial pressure forhydrogen sulphide and methyl mercaptan is reduced to 0,25 MPa (2,5 bar) at amaximum UTS of 950 MPa.
generally
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Risk of formation of toxic metal carbonyls.Highly sensitive to any traces of moisture(> 5 ppmV at 20 MPa (200 bar)), in thepresence of CO2 (> 5 ppmV). Industrialgrades of carbon monoxide normally con-tain traces of CO2. This can result in risk ofstress corrosion, in the case of QTS, CSand NS cylinders if used at the normalservice stress levels.www.bzfxw.com
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and CS.
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i.e.-ww
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(continued)
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not susceptible to hydrogen
susceptible tonot
is
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susceptible to hydrogen not
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Page 43EN ISO 11114-1 : 1997 + AC : 1998
EN 849 : 1996 ISO 10297 : ...1), Gas cylinder valves – Specifications and type testing
The other European publications have no equivalent international publication.
1) In preparation
Annex ZZ (informative)
Corresponding International and European Standards for which equivalents are notgiven in the text
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