1、BRITISH STANDARDBS EN 14398-2:2003 +A2:2008Incorporating corrigendum August 2006Cryogenic vessels Large transportable non-vacuum insulated vessels Part 2: Design, fabrication, inspection and testingICS 23.020.40g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44
2、g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 14398-2:2003+A2:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 3 September 2003 BSI 2008ISBN 978 0 580 59462 5National f
3、orewordThis British Standard is the UK implementation of EN 14398-2:2003+A2:2008, incorporating corrigendum August 2006. It supersedes BS EN 14398-2:2003 which is withdrawn.The start and finish of text introduced or altered by corrigendum is indicated in the text by tags. Text altered by CEN corrige
4、ndum August 2006 is indicated in the text by .The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by !“.The UK participa
5、tion in its preparation was entrusted to Technical Committee PVE/18, Cryogenic vessels. A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for
6、 its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationAmd. No. Date Comments16821 Corrigendum No. 129 December 2006 Implementation of CEN corrigendum August 200617144 29 June 2007 Implementation of CEN
7、amendment A1:200631 July 2008 Implementation of CEN amendment A2:2008EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14398-2:2003+A2 March 2008 ICS 23.020.40 Supersedes EN 14398-2:2003English Version Cryogenic vessels - Large transportable non-vacuum insulated vessels - Part 2: Design, fabricat
8、ion, inspection and testing Rcipients cryogniques - Grands rcipients transportables non isols sous vide - Partie 2: Conception, fabrication, inspections et essais Kyo-Behlter - Groe ortsbewegliche, nicht vakuum-isolierte Behlter - Teil 2: Bemessung, Herstellung und Prfung This European Standard was
9、approved by CEN on 10 July 2003 and includes Corrigendum 1 issued by CEN on 23 August 2006, Amendment 1 approved by CEN on 6 October 2006 and Amendment 2 approved by CEN on 7 February 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for g
10、iving 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 Management Centre or to any CEN member. This European Standard exists in three official
11、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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Bel
12、gium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FO
13、R STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14398-2:2003+A2:2008: EEN 14398-2:2003+A2:2
14、008 (E) 2 Contents page Foreword5 1 Scope 6 2 Normative references 6 3 Terms, definitions and symbols.7 3.1 Terms and definitions .7 3.2 Symbols 8 4 Design .9 4.1 Design options.9 4.1.1 General9 4.1.2 Design by calculation9 4.1.3 Design by calculation and pressure strengthening.9 4.1.4 Design by cal
15、culation supplemented with experimental methods.10 4.2 Common design requirements.10 4.2.1 General10 4.2.2 Design specification10 4.2.3 Design loads.11 4.2.4 Fatigue 13 4.2.5 Corrosion allowance .13 4.2.6 Inspection openings13 4.2.7 Pressure relief14 4.2.8 Valves14 4.2.9 Insulation 14 4.2.10 Degree
16、of filling14 4.2.11 Electrical continuity.15 4.3 Design by calculation15 4.3.1 General15 4.3.2 Vessel15 4.3.3 Attachments .16 4.3.4 Piping and accessories.16 4.3.5 Calculation formulae .17 4.3.6 Calculations for operating loads25 5 Fabrication53 5.1 General53 5.2 Cutting 53 5.3 Cold forming.54 5.3.1
17、 Austenitic stainless steel54 5.3.2 Ferritic steel54 5.4 Hot forming.55 5.4.1 General55 5.4.2 Austenitic stainless steel55 5.4.3 Ferritic steel55 5.5 Manufacturing tolerances .55 5.5.1 Plate alignment 55 5.5.2 Thickness .57 5.5.3 Dished ends57 5.5.4 Cylinders.57 5.6 Welding .60 5.6.1 General60 5.6.2
18、 Qualification .60 5.6.3 Temporary attachments 60 5.6.4 Welded joints60 5.7 Non-welded joints61 BS EN 14398-2:2003+A2:2008EN 14398-2:2003+A2:2008 (E) 3 6 Inspection and testing.61 6.1 Quality plan 61 6.1.1 Inspection stages during manufacture of a vessel61 6.1.2 Additional inspection stages during m
19、anufacture of a large transportable cryogenic vessel .62 6.2 Production control test plates62 6.2.1 Requirements.62 6.2.2 Extent of testing.62 6.3 Non-destructive testing.63 6.3.1 General63 6.3.2 Extent of examination for surface imperfections.63 6.3.3 Extent of examination for volumetric imperfecti
20、ons .63 6.3.4 Acceptance levels64 6.4 Rectification .65 6.5 Pressure testing.66 Annex A (informative) Elastic stress analysis67 A.1 General67 A.2 Terminology .67 A.2.1 Stress intensity67 A.2.2 Gross structural discontinuity .68 A.2.3 Local structural discontinuity 68 A.2.4 Normal stress.68 A.2.5 She
21、ar stress .68 A.2.6 Membrane stress .68 A.2.7 Primary stress69 A.2.8 Primary local membrane stress .69 A.2.9 Secondary stress.69 A.2.10 Peak stress.69 A.3 Limit for longitudinal compressive general membrane stress.69 A.4 Stress categories and stress limits for general application .70 A.4.1 General70
22、 A.4.2 General primary membrane stress category 70 A.4.3 Local primary membrane stress category 70 A.4.4 General or local primary membrane plus primary bending stress category 70 A.4.5 Primary plus secondary stress category 70 A.4.6 Thermal stress .70 A.5 Specific criteria, stress categories and str
23、ess limits for limited application71 A.5.1 General71 A.5.2 Attachments and supports .71 A.5.3 Nozzles and openings.71 A.5.4 Additional stress limits .72 Annex B (normative) Additional requirements for 9 % Ni steel .76 B.1 Introduction76 B.2 Specific requirements .76 Annex C (normative) Pressure stre
24、ngthening of vessels from austenitic stainless steels 78 C.1 Introduction78 C.2 Scope 78 C.3 Definitions and units of measurement 78 C.4 Materials .79 C.5 Design.80 C.5.1 General80 C.5.2 Design for internal pressure.80 C.6 Manufacturing and inspection .83 C.6.1 Strengthening procedure83 C.6.2 Proced
25、ure record.83 C.6.3 Welding.83 C.6.4 Pressure vessel drawing.84 C.6.5 Data plate84 C.7 Comments 84 C.7.1 Strengthening theory 84 C.7.2 Work-hardened material86 BS EN 14398-2:2003+A2:2008EN 14398-2:2003+A2:2008 (E) 4 C.7.3 Derivation of formulae.86 C.7.4 Deformations at strengthening 87 Annex D (info
26、rmative) Specific weld details.90 D.1 Field of application 90 D.2 Weld detail 90 D.2.1 Joggle joint.90 D.2.2 Intermediate ends 90 D.2.3 Backing strip 91 D.2.4 End plate closure.91 D.2.5 Non full penetration nozzle weld91 D.2.6 Non continuous fillet weld on attachments 91 D.3 Oxygen service requireme
27、nts 91 Annex E (normative) Increased material property for austenitic stainless steel .95 Bibliography 96 BS EN 14398-2:2003+A2:2008EN 14398-2:2003+A2:2008 (E) 5 Foreword This document (EN 14398-2:2003+A2:2008) has been prepared by Technical Committee CEN/TC 268 “Cryogenic vessels”, the secretariat
28、of which is held by AFNOR. 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 September 2008 and conflicting national standards shall be withdrawn at the latest by September 2008. This document inclu
29、des Amendment 1, approved by CEN on 2006-10-06, Amendment 2, approved by CEN on 2008-02-07 and Corrigendum 1 issued by CEN on 2006-08-23. This document supersedes EN 14398-2:2003. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! “ and # $. The modifi
30、cations of the related CEN Corrigendum have been implemented at the appropriate places in the text and are indicated by the tags . This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports the objectives of the frame
31、work Directives on Transport of Dangerous Goods. The standard has been submitted for reference into the RID and/or in the technical annexes of the ADR. #deleted text$ EN 14398 consists of the following parts under the general title, Cryogenic vessels Large transportable non-vacuum insulated vessels:
32、 Part 1: Fundamental requirements Part 2: Design, fabrication, inspection and testing Part 3: Operational requirements #Annexes B, C and E are normative. Annexes A and D are normative.$ This document includes a Bibliography. According to the CEN/CENELEC Internal Regulations, the national standards o
33、rganizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal
34、, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 14398-2:2003+A2:2008EN 14398-2:2003+A2:2008 (E) 6 1 Scope This European Standard specifies requirements for the design, fabrication, inspection and testing of large transportable non vacuum insulated cryogenic vessel
35、s of more than 1000 l volume, which are permanently (fixed tanks) or not permanently (demountable tanks) attached to a vehicle, for carriage by road. However, it can be used for other mode of transport providing the specific regulations/requirements are complied with. This European Standard applies
36、to large transportable non vacuum insulated cryogenic vessels for fluids specified in EN 14398-1 and does not apply to vessels designed for toxic fluids. This European Standard does not include the general vehicle requirements e.g. running gear, brakes, lighting etc. that shall be in accordance with
37、 the relevant standards/regulations. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text, and the publications are listed hereafter. For dated referenc
38、es, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 287-1, Approval testing of welders
39、 - Fusion welding - Part 1: Steels. #deleted text$ EN 473, Non destructive testing - Qualification and certification of NDT personnel - General principles. EN 875, Destructive tests on welds in metallic materials - Impact tests - Test specimen location, notch orientation and examination. EN 895, Des
40、tructive tests on welds in metallic materials - Transverse tensile test. EN 910, Destructive tests on welds in metallic materials Bend tests. EN 1252-1:1998, Cryogenic vessels - Materials - Part 1: Toughness requirements for temperatures below - 80 C. EN 1252-2, Cryogenic vessels - Materials - Part
41、2: Toughness requirements for temperatures between 80 C and 20 C. EN 1418, Welding personnel Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanised and automatic welding of metallic materials. EN 1435, Non-destructive examination of welds Radiograph
42、ic examination of welded joints. EN 1626, Cryogenic vessels - Valves for cryogenic service. EN 1797, Cryogenic vessels - Gas/material compatibility. EN 10028-4, Flat products made of steels for pressure purposes Part 4: Nickel alloy steels with specified low temperature properties. EN 10028-7:2000,
43、Flat products made of steels for pressure purposes - Part 7: Stainless steels. EN 13068-3, Non-destructive testing Radioscopic testing Part 3: General principles of radioscopic testing of metallic materials by X and gamma rays. EN 13445-3, Unfired pressure vessels Part 3: Design. BS EN 14398-2:2003+
44、A2:2008EN 14398-2:2003+A2:2008 (E) 7 EN 13648-3, Cryogenic vessels - Safety devices for protection against excessive pressure - Part 3: Determination of required discharge - Capacity and sizing. EN 14398-1:2003, Cryogenic vessels - Large transportable non-vacuum insulated vessels - Part 1: Fundament
45、al requirements. EN 14398-3, Cryogenic vessels Large Transportable non-vacuum insulated vessels Part 3: Operational requirements. EN ISO 6520-1, Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding !(ISO 6520-1:2007)“. #EN ISO 9606-2
46、, Qualification test of welders - Fusion welding - Part 2: Aluminium and aluminium alloys (ISO 9606-2:2004). EN ISO 15613, Specification and qualification of welding procedures for metallic materials - Qualification based on pre-production welding test (ISO 15613:2004). EN ISO 15614-1, Specification
47、 and qualification of welding procedures for metallic materials - Welding procedure test - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys (ISO 15614-1:2004). EN ISO 15614-2, Specification and qualification of welding procedures for metallic materials - Welding proc
48、edure test - Part 2: Arc welding of aluminium and its alloys (ISO 15614-2:2005).$ ISO 1106-1, Recommended practice for radiographic examination of fusion welded joints - Part 1: Fusion welded butt joints in steel plates up to 50 mm thick. 3 Terms, definitions and symbols For the purposes of this Eur
49、opean Standard, the following terms, definitions and symbols apply. 3.1 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN 14398-1:2003 and the following apply. 3.1.1 large transportable non vacuum insulated vessel vessel of more than 1000 l volume intended for one or more cryogenic fluids, consisting of an inner vessel, an insulation, all of the valves and accessories and additional framework 3.1.2 fixed tank (tank vehicle) large transportable vessel permanently attached t
