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1、Licensed to Ladas D Taylor on 18 Dec 2001. Single user licence only. Storage, distribution or use on network prohibited.AS 24691998Australian StandardSteel cylinders for compressed gasesWelded two-piece construction0.1 kg to 35 kgLicensed to Ladas D Taylor on 18 Dec 2001. Single user licence only. S
2、torage, distribution or use on network prohibited.This Australian Standard was prepared by Committee ME/2, Gas Cylinders. It was approved on behalf of the Council of Standards Australia on 31 July 1998 and published on 5 October 1998.The following interests are represented on Committee ME/2: A.C.T.
3、WorkCoverAirconditioning and Refrigeration Wholesalers AssociationAustralasian Railway AssociationAustralian Association of Certification Bodies Australian Chamber of Commerce and Industry Australian Chamber of ManufacturesAustralian Gas AssociationAustralian Institute of Pressure Equipment Engineer
4、sAustralian Liquefied Petroleum Gas AssociationBoiler and Pressure Vessel Manufacturers Association of AustraliaBureau of Steel Manufacturers of AustraliaDepartment of Defence, AustraliaDepartment for Administrative and Information Services, S.A. Department of Mines and Energy, QldDepartment of Trai
5、ning and Industrial Relations, QldFire Protection Association of Australia Institute of Metals and Materials Australasia Institution of Engineers AustraliaVictorian WorkCover AuthorityWelding Technology Institute of AustraliaWork Health Authority, N.T. WorkCover New South Wales Workplace Standards A
6、uthority, Tas.Review of Australian Standards. To keep abreast of progress in industry, Australian Standards are subject to periodic review and are kept up to date by the issue of amendments or new editions as necessary. It is important therefore that Standards users ensure that they are in possessio
7、n of the latest edition, and any amendments thereto.Full details of all Australian Standards and related publications will be found in the Standards Australia Catalogue of Publications; this information is supplemented each month by the magazine The Australian Standard, which subscribing members rec
8、eive, and which gives details of new publications, new editions and amendments, and of withdrawn Standards.Suggestions for improvements to Australian Standards, addressed to the head office of Standards Australia, are welcomed. Notification of any inaccuracy or ambiguity found in an Australian Stand
9、ard should be made without delay in order that the matter may be investigated and appropriate action taken.This Standard was issued in draft form for comment as DR 97328.AS 24691998Australian StandardSteel cylinders for compressed gasesWelded two-piece construction0.1 kg to 35 kgOriginated as part o
10、f AS B15 1950. Previous edition AS 2469 1989. Third edition 1998.Licensed to Ladas D Taylor on 18 Dec 2001. Single user licence only. Storage, distribution or use on network prohibited.Published by Standards Australia(Standards Association of Australia)1 The Crescent, Homebush, NSW 2140ISBN 0 7337 2
11、185 027AS 2469 1998Licensed to Ladas D Taylor on 18 Dec 2001. Single user licence only. Storage, distribution or use on network prohibited.PREFACEThis Standard was prepared by the Standards Australia/Standards New Zealand Committee ME/2, Gas Cylinders to supersede AS 2469 1989, Steel cylinders for c
12、ompressed gases Welded 0.1 kg to 11 kg. It is the result of a consensus amongst representatives of the Joint Committee to provide it as an Australian Standard.This Standard is one of a suite of four Standards for welded and brazed cylinders for compressed gases, the other Standards being as follows:
13、AS2468Steel cylinders for compressed gases Brazed 0.1 kg to 11 kg.2470Steel cylinders for compressed gases Welded three-piece construction with longitudinal joint 11 kg to 150 kg3577Steel cylinders for compressed gases Welded 150 kg to 500 kg.This Standard provides for gas cylinders produced in larg
14、e quantities. Users of this Standard should note that a competent person or body will require either quality control procedures to be employed at the point of manufacture in Australia, or, for cylinders manufactured overseas, sampling and testing at the point of entry into Australia. It should also
15、be noted that before a gas cylinder can be first filled in Australia it must be stamped with a Standards Australia Certificated Gas Cylinder Test Station registered mark in accordance with the relevant Standard in the AS 2030 series.The construction now allows two piece welded cylinders to be made w
16、ith capacities up to35 kg water capacity.The terms normative and informative have been used in this Standard to define the application of the appendix to which they apply. A normative appendix is an integral part of a Standard, whereas an informative appendix is only for information and guidance. Co
17、pyrightSTANDARDS AUSTRALIAUsers of Standards are reminded that copyright subsists in all Standards Australia publications and software. Except where the Copyright Act allows and except where provided for below no publications or software produced by Standards Australia may be reproduced, stored in a
18、 retrieval system in any form or transmitted by any means without prior permission in writing from Standards Australia. Permission may be conditional on an appropriate royalty payment. Requests for permission and information on commercial software royalties should be directed to the head office of S
19、tandards Australia.Standards Australia will permit up to 10 percent of the technical content pages of a Standard to be copied for use exclusively in-house by purchasers of the Standard without payment of a royalty or advice to Standards Australia.Standards Australia will also permit the inclusion of
20、 its copyright material in computer software programs for no royalty payment provided such programs are used exclusively in-house by the creators of the programs.Care should be taken to ensure that material used is from the current edition of the Standard and that it is updated whenever theStandard
21、is amended or revised. The number and date of the Standard should therefore be clearly identified.The use of material in print form or in computer software programs to be used commercially, with or without payment, or in commercial contracts is subject to the payment of a royalty. This policy may be
22、 varied by Standards Australia at any time.CONTENTSPageLicensed to Ladas D Taylor on 18 Dec 2001. Single user licence only. Storage, distribution or use on network prohibited.1SCOPE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42REFERENCED DO
23、CUMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44CARBON STEEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45DESIG
24、N AND CONSTRUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56WELDING AND INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97HEAT TREATMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118MECHANICAL TESTS
25、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119PRESSURE TESTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1210TYPE TESTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
26、311SURFACE COATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1512RECORD AND TEST CERTIFICATE(S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1513STAMPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27、. . 1614PREPARATION FOR DESPATCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17APPENDICESAWELDED STAINLESS STEEL GAS CYLINDERS . . . . . . . . . . . . . . . . . . .18BSUGGESTED MINIMUM INFORMATION TO BE SUPPLIED BYTHE PURCHASER . . . . . . . . . . . . . . . . . . . . . . . . .
28、. . . . . . . . . . . . . . . . .20CLIST OF REFERENCED DOCUMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . .21DRESISTANCE SPOT WELDING FOR NON-PRESSURE-RETAININGATTACHMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23ELOCATIONS OF TEST SPECIMENS .
29、 . . . . . . . . . . . . . . . . . . . . . . . . . . . .24FSUGGESTED FORM OF MANUFACTURERS RECORD AND TESTCERTIFICATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25Licensed to Ladas D Taylor on 18 Dec 2001. Single user licence only. Storage, distribution
30、or use on network prohibited.STANDARDS AUSTRALIAAustralian StandardSteel cylinders for compressed gasesWelded two-piece construction0.1 kg to 35 kg1SCOPEThis Standard specifies requirements for welded carbon and stainless steel cylinders with no longitudinal joint and one circumferential joint, of w
31、ater capacity not less than 0.1 kg nor more than 35 kg, which have test pressures from 1750 kPa to7000 kPa and are intended for the storage and transport of compressed gases in accordance with AS 2030.1. Stainless steel cylinders shall be constructed in accordance with Appendix A.NOTES:1A gas cylind
32、er manufactured by welding but which includes any brazing of, or on, the pressure-retaining portions is for the purpose of this Standard considered to be a brazed gas cylinder.2Other Australian Standards for brazed and welded gas cylinders are AS 2468, AS 2470, andAS 3577.3Appendix B lists the sugge
33、sted minimum information that should be supplied by the purchaser when ordering gas cylinders to this Standard.2REFERENCED DOCUMENTSA list of documents referred to in this Standard is given in Appendix C.3DEFINITIONSFor the purpose of this Standard, the definitions given in AS 2030.1 and those below
34、 apply.3.1Attachment any fitting attached to the pressure-retaining sections of the cylinder by welding, including bosses, pads, valve protection rings, and footrings.3.2Inspection Body a body responsible for inspection, which may cover any one or more of the following:(a)Design verification.(b)Fabr
35、ication inspection(c)In-service inspection.3.3Inspectora person, acceptable to the competent person or body, who ensures and certifies that all the inspections specified herein have been carried out and that the cylinders comply with all the requirements of this Standard.4CARBON STEEL4.1Cylinder hal
36、ves4.1.1Steelmaking processThe steel shall be made by the open hearth, basic oxygen, or an electric process. Rimmed steels shall not be used for arc welded components.NOTE: Rimmed steels are considered not suitable for arc welded components because of problems associated with welding of the slit edg
37、e due to the possibility of lamination and segregation problems.4.1.2Cast analysisThe cast analysis shall conform to Table 1, except that where resistance-welded attachments are to be added to the cylinder the maximum carbon content of the pressure-retaining portion of the joint shall be 0.15%.COPYR
38、IGHTTABLE1CAST ANALYSISElements (other than iron)Cast analysis (max.), percentCarbon0.25Manganese1.70Silicon0.40Micro-alloying elements(total)0.15Licensed to Ladas D Taylor on 18 Dec 2001. Single user licence only. Storage, distribution or use on network prohibited.Sulfur0.040Phosphorus0.040NOTES:1
39、Grain-refining elements, i.e. titanium (up to 0.040%) and aluminium (up to 0.1%), may be added.2 Examples of micro-alloying elements are titanium (where greater than 0.040%), niobium, and vanadium.3 AS 1594 and equivalent overseas Standards specify some acceptable grade of steel with conforming cast
40、 analyses.4 Residual elements up to the following individual amounts or a sum of 0.7% of all listed elements are considered to be incidental:Chromium . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.30% Copper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.35% M
41、olybdenum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.10% Nickel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.35%4.1.3Residual elementsElements not shown in Table 1 shall not be intentionally added to the steel, other than for the purpose of finishing the hea
42、t.All reasonable precautions shall be taken to prevent the addition of such elements during manufacture, and the quantities present shall not be detrimental to the application of steel for a welded gas cylinder.4.1.4WeldabilityThe steel shall be of a weldable quality.4.1.5Mechanical propertiesWhen a
43、 completed gas cylinder is tested in accordance with Clause 8.3, the yield and tensile strength values obtained shall be not less than the values used in the equations in Clause 5.1.1.When determined in accordance with Clause 8.3, the elongation shall be not less than20% minus one percentage unit fo
44、r each increment of 50 MPa by which the measured tensile strength exceeds 350 MPa, but in any case not less than 16%.4.2AttachmentsAttachments shall be of steel complying with the requirements of Clause 4.1, except that for resistance-welded attachments the steel of both components of the joint shal
45、l be weldable and be subject to a maximum carbon content of 0.15%.5DESIGN AND CONSTRUCTION5.1Minimum thickness5.1.1Cylinder halvesThe wall thickness of a cylindrical half shall be not less than1.75 mm, nor less than the greater of those calculated from the following equations:. . . 5.1.1(1)Licensed to Ladas D Taylor on 18 Dec 2001. Single user licence only. Storage, distribution or use on network prohibited. . . 5.1.1(2)wheret= minimum finished thickness of the cylinder, in millimetresDi