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    DIN EN 14638-3-2012 en 8787 Transportable gas cylinders - Refillable welded receptacles of a capacity not exceeding 150 litres - Part 3 Welded carbon steel cylinders made to a desi.pdf

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    DIN EN 14638-3-2012 en 8787 Transportable gas cylinders - Refillable welded receptacles of a capacity not exceeding 150 litres - Part 3 Welded carbon steel cylinders made to a desi.pdf

    1、June 2012 Translation by DIN-Sprachendienst.English price group 16No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 2

    2、3.020.30!$|d“1896557www.din.deDDIN EN 14638-3Transportable gas cylinders Refillable welded receptacles of a capacity not exceeding 150 litres Part 3: Welded carbon steel cylinders made to a design justified byexperimental methods(includes Corrigendum AC:2012)English translation of DIN EN 14638-3:201

    3、2-06Ortsbewegliche Gasflaschen Wiederbefllbare geschweite Gefe mit einem Fassungsraum von nicht mehr als150 Liter Teil 3: Flaschen aus geschweitem Kohlenstoffstahl, ausgelegt nach experimentellenVerfahren(enthlt Berichtigung AC:2012)Englische bersetzung von DIN EN 14638-3:2012-06Bouteilles gaz trans

    4、portables Rcipients souds rechargeables dune capacit infrieure ou gale 150 litres Partie 3: Bouteilles en acier carbone soudes conues par des mthodes exprimentales(Corrigendum AC:2012 inclus)Traduction anglaise de DIN EN 14638-3:2012-06SupersedesDIN EN 14638-3:2010-12www.beuth.deIn case of doubt, th

    5、e German-language original shall be considered authoritative.Document comprises 41 pages05.12 DIN EN 14638-3:2012-06 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee CEN/TC 23 “Transportable gas cylinders” (Secretariat: BSI, United Kin

    6、gdom). The responsible German body involved in its preparation was the Normenausschuss Druckgasanlagen (Pressurized Gas Installations Standards Committee), Working Committee NA 016-00-03 AA Druckgas-flaschen und Ausrstung. The modifications of the related CEN Corrigendum have been implemented at the

    7、 appropriate places in the text and are indicated by the tags . Amendments This standard differs from DIN EN 14638-3:2010-12 as follows: a) Clause 2 has been corrected; b) Subclause 7.2.2 has been corrected; c) Subclause 7.2.3 has been corrected; d) Subclause 7.2.4.1.3 has been corrected; e) Subclau

    8、se 7.2.4.2 has been corrected; f) Subclause 7.2.4.3 has been corrected; g) Subclause 8.1.1 has been corrected; h) Subclause D.2 has been corrected. Previous editions DIN EN 14638-3: 2010-12 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14638-3 August 2010 + AC March 2012 ICS 23.020.30 English

    9、 version Transportable gas cylinders Refillable welded receptacles of a capacity not exceeding 150 litres Part 3: Welded carbon steel cylinders made to a design justified by experimental methods Bouteilles gaz transportables Rcipients souds rechargeables dune capacit infrieure ou gale 150 litres Par

    10、tie 3: Bouteilles en acier carbone soudes conues par des mthodes exprimentales Ortsbewegliche Gasflaschen Wiederbefllbare geschweite Gefe mit einem Fassungsraum von nicht mehr als 150 Liter Teil 3: Flaschen aus geschweitem Kohlenstoffstahl, ausgelegt nach experimentellen Verfahren EN 14638-3:2010 wa

    11、s approved by CEN on 2010-07-23 and Corrigendum AC on 2012-03-07. 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

    12、references concerning such national standards may be obtained on application to the Management Centre 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

    13、into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

    14、 Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 B

    15、russels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14638-3:2010 + AC:2012 EEN 14638-3:2010 + AC:2012 (E)2 Contents Page Foreword 3 Introduction . 4 1 Scope . 5 2 Normative references 5 3 Terms, definitions and symbols . 6

    16、 4 Materials and heat treatment 8 5 Design . 9 6 Construction and workmanship . 10 7 Type approval procedure 14 8 Production tests . 18 9 Marking 27 Annex A (normative) Non-destructive examination (NDE) of welds 28 Annex B (normative) Description, evaluation of manufacturing imperfections and condit

    17、ions for rejection of welded carbon steel gas cylinders at time of final visual inspection by the manufacturer 30 Annex C (informative) Certificate of conformity . 33 Annex D (normative) Specific requirements for cylinders manufactured with steel that has an elongation less than 14 % . 36 Annex E (i

    18、nformative) Type approval certificate 38 Bibliography 39 DIN EN 14638-3:2012-06 3 Foreword This document (EN 14638-3:2010) has been 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

    19、national standard, either by publication of an identical text or by endorsement, at the latest by February 2011 and conflicting national 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 Europe

    20、an Free Trade Association, and supports the objectives of the framework Directives on Transport of Dangerous Goods 1 and 2. This European 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 elem

    21、ents of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Eu

    22、ropean Standard: 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, Switzerland and

    23、 United Kingdom. DIN EN 14638-3:2012-06 EN 14638-3:2010 + AC:2012 (E)4 Introduction The purpose of this European Standard is to provide a specification for the design, manufacture, inspection and approval of welded carbon steel gas cylinders for use in the countries of the CEN members. The specifica

    24、tions given in the present standard establish the methodology to be adopted to demonstrate that a cylinder conforms to the functional requirements demanded, based on experience of materials, design prescriptions, manufacturing processes and controls manufacturing. This European Standard specifies ex

    25、perimental methods and appropriate stress analysis calculations. It does not cover methods exclusively by means of traditional calculation. DIN EN 14638-3:2012-06 EN 14638-3:2010 + AC:2012 (E)5 1 Scope This European Standard specifies minimum requirements concerning material, design, construction an

    26、d workmanship, procedures and tests at manufacture of refillable transportable welded cylinders made of carbon steel, justified by experimental methods, of water 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

    27、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 than 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

    28、 The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 287-1, Approval testing of welders Fusion wel

    29、ding Part 1: Steels EN 462-1, Non-destructive testing Image quality of radiographs Part 1: Image quality indicators (wire type) Determination of image quality value EN 462-2, Non-destructive testing Image quality of radiographs Part 2: Image quality indicators (step/hole type) Determination of image

    30、 quality value EN 473:2008, Non-destructive testing Qualification and certification of NDT personnel General principles EN 910, Destructive tests on welds in metallic materials Bend tests EN 970, Non-destructive examination of fusion welds Visual examination EN 1418, Welding personnel Approval testi

    31、ng of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials EN 1435:1997, Non destructive examination of welds Radiographic examination of welded joints EN 1803:2002, Transportable gas cylinders Periodic inspection and testi

    32、ng of welded carbon steel gas cylinders EN 10028-1, Flat products made of steels for pressure purposes Part 1: General requirements EN 10028-3, Flat products made of steels for pressure purposes Part 3: Weldable fine grain steels, normalized EN 10028-5, Flat products made of steels for pressure purp

    33、oses 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 for ferrous products EN 10083-1, Steels for quenching and tempering Part1: General technical delivery conditions DIN EN

    34、 14638-3:2012-06 EN 14638-3:2010 + AC:2012 (E)6 EN 10084, Case hardening steels Technical delivery conditions EN 10120, Steel sheet and strip for welded gas cylinders EN 10268, Cold rolled steel flat products with high yield strength for cold forming Technical delivery conditions EN 14784-1, Non-des

    35、tructive testing Industrial computed radiography with storage phosphor imaging plates Part 1: Classification of systems EN 14784-2, Non-destructive testing Industrial computed radiography with storage phosphor imaging plates Part 2: General principles for testing of metallic materials using X-rays a

    36、nd 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, corrected version:2005, including Technical Corrigendum 1:2006) EN ISO 6892-1, Metallic materials Tensile testing Part 1: Metho

    37、d 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 type testing for valve to cylinder connections (ISO 10692-2:2001) EN ISO 11114-1, Transportable gas cylinders Compatibility

    38、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, construction and tests (ISO 11117:2008) EN ISO 15614-1, Specification and qualification of welding procedures for metallic m

    39、aterials 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 pendulum impact test Part 1: Test method 3 Terms, definitions and symbols 3.1 Terms and definitions For the purpose of this docume

    40、nt, 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 steels that do not exhibit a lower (ReL) and an upper (ReH) yield strength (sometimes named “lower and upper yield point” at t

    41、ensile 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 the steel and then cooled in still air or in a controlled atmosphere 3.1.3 stress relieving heat treatment given to the finishe

    42、d 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 critical point (Ac1, as defined in EN 10052) of the steel and cooling in a still atmosphere DIN EN 14638-3:2012-06 EN 14638-3:20

    43、10 + AC:2012 (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 may be variable at any point of the cylinder. 3.1.5 batch finished cylinders made consecutively during the same o

    44、r 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 applicable, heat-treated under the same conditions of temperature and duration NOTE 1 In this context consecut

    45、ively 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 heads, another for bases. 3.1.6 cylinder transportable pressure receptacle of a water capacity not exceeding 150

    46、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 temperature given to the prefabricated cylinder, known as the preform, which results in a permanent increase in the

    47、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 weld clearance (see Figure 1) asiCalculated minimum thickness, in millimetres, at a determined area “i” of the cy

    48、linder abiMinimum thickness, in millimetres, at a determined area “i” of the cylinder (including any corrosion allowance) guaranteed by the manufacturer AiPercentage elongation after fracture, 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 tes


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