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BS EN 14638-3-2010 Transportable gas cylinders Refillable welded receptacles of a capacity not exceeding 150 litres Welded carbon steel cylinders made to a design justified by expe.pdf

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 14638-3:2010T r a n s p o r t a b l e g a s c y l i n d e r s Refillable welded receptacles of a capacity not exceeding 150 litresPart 3: Welded carbon steel cylinders made

2、 to a design justified by experimental methodsIncorporating corrigendum March 2012BS EN 14638-3:2010 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 14638-3:2010,The UK participation in its preparation was entrusted to TechnicalCommittee PVE/3/3, Gas containers

3、- Transportable gas containers- Cylinder design, construction and testing at the time ofmanufacture.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are respo

4、nsible for its correctapplication.ISBN 978 0 580 78025 7ICS 23.020.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 December 2010.Amendments/corrigenda issued

5、since publicationDate Text affected The British Standards Institution 2012. Published by BSI Standards Limited 2012.30 April 2012 Implementation of CEN corrigendum March 2012incorporating corrigendum March 2012.The start and finish of text introduced or altered by corrigendumis indicated in the text

6、 by tags. Text altered by CEN corrigendumMarch 2012 is indicated in the text by .EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14638-3 August 2010 ICS 23.020.30 English Version Transportable gas cylinders - Refillable welded receptacles of a capacity not exceeding 150 litres - Part 3: Welded

7、carbon steel cylinders made to a design justified by experimental methods Bouteilles gaz transportables - Rcipients souds rechargeables dune capacit infrieure ou gale 150 litres - Partie 3: Bouteilles en acier carbone soudes conues par des mthodes exprimentales Ortsbewegliche Gasflaschen - Wiederbef

8、llbare geschweite Gefe mit einem Fassungsraum von nicht mehr als 150 Liter - Teil 3: Flaschen aus geschweitem Kohlenstoffstahl, ausgelegt nach experimentellen VerfahrenThis European Standard was approved by CEN on 23 July 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulation

9、s 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 Management Centre or to any CEN member. This Europ

10、ean 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 Management Centre has the same status as the official versions. CEN members are the nat

11、ional standards bodies of Austria, Belgium, Bulgaria, Croatia, 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, Switze

12、rland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. E

13、N 14638-3:2010: EIncorporating corrigendum March 20122 Contents Page Foreword 3Introduction . 41 Scope . 52 Normative references 53 Terms, definitions and symbols . 64 Materials and heat treatment 85 Design . 96 Construction and workmanship . 107 Type approval procedure 148 Production tests . 189 Ma

14、rking 27Annex A (normative) Non-destructive examination (NDE) of welds 28Annex B (normative) Description, evaluation of manufacturing imperfections and conditions for rejection of welded carbon steel gas cylinders at time of final visual inspection by the manufacturer 30Annex C (informative) Certifi

15、cate of conformity . 33Annex D (normative) Specific requirements for cylinders manufactured with steel that has an elongation less than 14 % . 36Annex E (informative) Type approval certificate 38Bibliography 39BS EN 14638-3:2010 EN 14638-3:2010 (E)3 Foreword This document (EN 14638-3:2010) has been

16、prepared by Technical Committee CEN/TC 23 “Transportable gas cylinders”, the secretariat of which is held by BSI. 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 2011 and conflicting nati

17、onal standards shall be withdrawn at the latest by February 2011. 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 framework Directives on Transport of Dangerous Goods 1 and 2. This Eur

18、opean Standard has been submitted for reference into the RID 3 and/or in the technical annexes of the ADR 4. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or a

19、ll such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hu

20、ngary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 14638-3:2010 EN 14638-3:2010 (E)4 Introduction The purpose of this European Standard is to provide a specific

21、ation for the design, manufacture, inspection and approval of welded carbon steel gas cylinders for use in the countries of the CEN members. The specifications given in the present standard establish the methodology to be adopted to demonstrate that a cylinder conforms to the functional requirements

22、 demanded, based on experience of materials, design prescriptions, manufacturing processes and controls manufacturing. This European Standard specifies experimental methods and appropriate stress analysis calculations. It does not cover methods exclusively by means of traditional calculation. BS EN

23、14638-3:2010 EN 14638-3:2010 (E)5 1 Scope This European Standard specifies minimum requirements concerning material, design, construction and workmanship, procedures and tests at manufacture of refillable transportable welded cylinders made of carbon steel, justified by experimental methods, of wate

24、r capacities from 0,5 l up to and including 150 l for compressed or liquefied gases and of a test pressure up to 90 bar. NOTE This European Standard may also be used as a guideline for cylinders less than 0,5 l water capacity. This European Standard is primarily intended for industrial gases other t

25、han LPG but may also be applied for LPG. However, for dedicated LPG cylinders see EN 14140 5, prepared by CEN/TC 286. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated re

26、ferences, the latest edition of the referenced document (including any amendments) applies. EN 287-1, Approval testing of welders Fusion welding Part 1: Steels EN 462-1, Non-destructive testing Image quality of radiographs Part 1: Image quality indicators (wire type) Determination of image quality v

27、alue EN 462-2, Non-destructive testing Image quality of radiographs Part 2: Image quality indicators (step/hole type) Determination of image quality value EN 473:2008, Non-destructive testing Qualification and certification of NDT personnel General principles EN 910, Destructive tests on welds in me

28、tallic materials Bend tests EN 970, Non-destructive examination of fusion welds Visual examination EN 1418, Welding personnel Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials EN 1435:1997, Non destru

29、ctive examination of welds Radiographic examination of welded joints EN 1803:2002 , Transportable gas cylinders Periodic inspection and testing of welded carbonEN 10028-1, Flat products made of steels for pressure purposes Part 1: General requirements EN 10028-3, Flat products made of steels for pre

30、ssure purposes Part 3: Weldable fine grain steels, normalized EN 10028-5, Flat products made of steels for pressure purposes Part 5: Weldable fine grain steels, thermomechanically rolled EN 10045-1, Metallic materials Charpy impact test Part1: Test method EN 10052, Vocabulary of heat treatment terms

31、 for ferrous products EN 10083-1, Steels for quenching and tempering Part1: General technical delivery conditions steel gas cylindersBS EN 14638-3:2010 EN 14638-3:2010 (E)6 EN 10084, Case hardening steels Technical delivery conditions EN 10120, Steel sheet and strip for welded gas cylinders EN 10268

32、, Cold rolled steel flat products with high yield strength for cold forming Technical delivery conditions EN 14784-1, Non-destructive testing Industrial computed radiography with storage phosphor imaging plates Part 1: Classification of systems EN 14784-2, Non-destructive testing Industrial computed

33、 radiography with storage phosphor imaging plates Part 2: General principles for testing of metallic materials using X-rays and gamma rays EN ISO 5817, Welding Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) Quality levels for imperfections (ISO 5817:2003, co

34、rrected version:2005, including Technical Corrigendum 1:2006) EN ISO 6892-1, Metallic materials Tensile testing Part 1: Method of test at room temperature (ISO 6892-1:2009) EN ISO 10692-2, Gas cylinders Gas cylinder valve connections for use in the microelectronics industry Part 2: Specification and

35、 type testing for valve to cylinder connections (ISO 10692-2:2001) EN ISO 11114-1, Transportable gas cylinders Compatibility of cylinder and valve materials with gas contents Part 1: Metallic materials (ISO 11114-1:1997) EN ISO 11117:2008, Gas cylinders Valve protection caps and valve guards Design,

36、 construction and tests (ISO 11117:2008) EN ISO 15614-1, Specification 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) ISO 148-1, Metallic materials Charpy pendu

37、lum impact test Part 1: Test method 3 Terms, definitions and symbols 3.1 Terms and definitions For the purpose of this document, the following terms and definitions apply. 3.1.1 yield strength stress value corresponding to the lower yield strength, ReL,or 0,92 the upper yield strength, ReH, or for s

38、teels that do not exhibit a lower (ReL) and an upper (ReH) yield strength (sometimes named “lower and upper yield point” at tensile testing, the 0,2 % proof strength Rp0,23.1.2 normalizing heat treatment in which the steel is heated to a uniform temperature above the upper critical point (Ac3) of th

39、e steel and then cooled in still air or in a controlled atmosphere 3.1.3 stress relieving heat treatment given to the finished cylinder, the object of which is to reduce the residual stresses without altering the metallurgical structure of the steel, by heating to a uniform temperature below the cri

40、tical point (Ac1, as defined in EN 10052) of the steel and cooling in a still atmosphere BS EN 14638-3:2010 EN 14638-3:2010 (E)7 3.1.4 parent material material corresponding to the cylinder after finishing its manufacturing process and ready for service/operation NOTE The material characteristics ma

41、y be variable at any point of the cylinder. 3.1.5 batch finished cylinders made consecutively during the same or consecutive days to the same design, size and material specifications and from the same material supplier for each pressure containing parts on the same automatic welding machines and, if

42、 applicable, heat-treated under the same conditions of temperature and duration NOTE 1 In this context consecutively need not imply continuous production. NOTE 2 This definition allows different suppliers to be used for the different pressure containing parts within a batch, e.g. one supplier for he

43、ads, another for bases. 3.1.6 cylinder transportable pressure receptacle of a water capacity not exceeding 150 l 3.1.7 finished cylinder cylinder which is fully assembled and appropriately stamp marked, but without any external coatings 3.1.8 cold forming final deformation treatment at ambient tempe

44、rature given to the prefabricated cylinder, known as the preform, which results in a permanent increase in the material strength and a permanent decrease in elongation 3.1.9 valve boss or pad connection between valve and cylinder 3.2 Symbols a Minimum thickness, in millimetres, for calculation of we

45、ld clearance (see Figure 1) asiCalculated minimum thickness, in millimetres, at a determined area “i” of the cylinder abiMinimum thickness, in millimetres, at a determined area “i” of the cylinder (including any corrosion allowance) guaranteed by the manufacturer AiPercentage elongation after fractu

46、re, at a determined area “i” of the cylinder i Area of the cylinder used for the calculation under consideration L Original gauge length, in millimetres, in accordance with EN 10002-1 n Ratio of diameter of bend test former to the thickness of the test piece phTest pressure, in bar, above atmospheri

47、c pressure pbMinimum burst pressure, in bar BS EN 14638-3:2010 EN 14638-3:2010 (E)8 pbaActual burst pressure, in bar ReHUpper yield strength, in MPa ReLLower yield strength, in MPa Rp0,20,2 % proof strength, in MPa Rpi0,2Minimum value of 0,2 % proof strength in MPa, guaranteed by the cylinder manufa

48、cturer for the finished cylinder, at a determined area “i” of the cylinder RmgiMinimum guaranteed value of tensile strength, in MPa, for the finished cylinder, at a determined area “i” of the cylinder RmaiActual value of tensile strength, in MPa, at a determined area “i” of the cylinder RegiMinimum

49、guaranteed value of the yield strength (see 3.1.1), in MPa, for the finished cylinder, at a determined area “i” of the cylinder ReaiActual value of yield strength, in MPa, at a determined area “i” of the cylinder s Nominal butt weld thickness 4 Materials and heat treatment 4.1 General 4.1.1 The cylinder materials subject to pressure shall conform to EN 10028-1 and EN 10028-3, or EN 10028-1 and EN 10028-5, or EN 10120 or E

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