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इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 2335 (2005): Method of Drift Expanding Test on Metallic Tubes [MTD 3: Mechanical Testing of Metals] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS2335 :2005 ISO8493 :1998 ~~ ~ ~ ~ tlfrafUT 'ti1&fDl - - JffiR (~~afUT ) Indian Standard METALLIC MATERIALS - TUBE - DRIFT EXPANDING TEST ( Second Revision) ics 77.040.10 C BIS2005 BUREAU OF INDIAN STANDARDS MANAK BHAVAN. 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 May 2005 Price Group 2 MechanicalTestingofMetalsSectional Committee, MTD3 NATIONALFOREWORD ThisIndianStandard(SecondRevision)whichisidenticalwithISO8493:1998'Metallicmaterials Tube- Drift-expanding tesf'issuedbytheInternationalOrganizationforStandardization(ISO)was adopted by the Bureau of Indian Standards on the recommendations of the MechanicalTesting of MetalsSectional CommitteeandapprovaloftheMetallurgicalEngineering DivisionCouncil. ThisIndianStandardwasoriginallypublishedin1963 andsubsequentlyrevisedin1985.Thisrevision ofthestandard hasbeentakenuptoalignitwithISO8493byadoption.underdual numberingsystem. The text of the ISO Standard has been approved as suitable for publication as an Indian Standard without deviations. Certain terminologyandconventions are. however.notidentical to those used in IndianStandards. Attention isparticularlydrawntothefollowing: a) Whereverthewords'InternationalStandard'appear,referring tothisstandard. theyshouldbe asreadas'Indian Standard'. b) Comma(•)hasbeenusedasadecimalmarkerwhileinIndianStandards,thecurrent practice istouseapoint (.)asthedecimal marker. Inreporting the results ofatest oranalysis madeinaccordancewiththisstandard. ifthefinal value. observed orcalculated.istoberoundedoff.itshallbedoneinaccordancewithIS2:1960'Rulesfor roundingoffnumerical values(revised)'. Indian Standard METALLIC MATERIALS - TUBE - DRIFT EXPANDING TEST ( SecondRevision) 1 Scope ThisInternationalStandardspecifiesamethodfordeterminingtheabilityofmetallictubesofcircularcross-section toundergoplasticdeformationindriftexpansion. ThisInternationalStandardisintendedfortubeshavinganoutsidediameternogreaterthan150mm(100mmfor lightmetals)andathicknessnogreaterthan10mmalthoughtherangeof\'heoutsidediameterorthethicknessfor whichthisInternationalStandardIsapplicablemaybemOreexactlyspecifiedintherelevantproductstandard. 2 Symbols,designation.andunits Symbols,designationsandunitsforthedrift-expandingtestoftubesaregivenintable1andareshowninfigure1. T8ble1 Symbol DeIIgn8tIon Unit as Wallthicknessofthetube mm 0 Originaloutsidediameterofthetube mm D Maximumoutsidediameteraftertesting mm u L Lengthofthetestpiecebeforetesting mm {J Angleoftheconicalmandrel degree S ThesymbolTisalsousedinsteeltubestandards. o FlguN1 18 2331:200& ISO 8483:'118 3 PrInciple outs. Expanaionoftheendofthetestpiececutfromthetube,bymeansofaconicalmandrel,untilthemaximum diameteroftheexpendedtuber88ChIathevalueepecifiedIntherelevantproductstandard(-figure1). 4 Teatlngequipment 4.1 V..............orun~tiltingmachine. 4.1 ConIc8II111ftCh1,whichahallhaveanangleasspeclfledIntherelevantproductstandardandItssurfacesh4 bemadeofpoIiIhedmaterialofIUfficIenthardneu. • Preferredanglesfortheconicalmandrelare30°,45°and60°. 1.1 Thelengthofthetestpiecedependsontheangleoftheconeofthedrlft-expansionconicalmandrel.Whenthi angleIeequaltoorteaathan3()0, thelengthofthetestpieceshallbeapproximatelyL• 2D.Whenthisanglei greaterthan3()0,thelengthofthetestpieceshallbeapproximatelyL• 1,5D. Theteatpiecemaybeshorterprovidedthattheremainingcylindricalpartofthetestpieceafterexpansionisatleas 0,5D. 1.1 Bothendsofthetestpieceshallbeintheplaneperpendiculartotheaxisofthetube.Theedgesoftheendte beteltedmayberoundedbyfilingorchamferedbyothermethods. NOTE- Non·roundedornon-ehamferededges818perrnieaiMiftheteatresunmeetstheteatrequirements. 1.3 Whenweldedtubesaresubjectedtothetest,theinternalweldflashmayberemoved. 8 Procedure 1.1 Ingeneral,thetestlhallbe carriedoutatambienttemperaturewithinthelimitsof10°Cto35OCtThetest carriedoutundercontrolledconditionsshallbemadeatatemperatureof23°C±5°C. 1.2 Forcetheconicalmandrelintothetestpiece,withoutshock,untiltherequiredoutsidediameterisreached.The axiloftheconicalmandrelshallbealignedwiththeaxisofthetube. Themaximumoutsidediameteroftheexpandedpartofthetestpiece,Du'orrelativeexpansionasapercentageof the originaldiameter,D,shallbespecifiedIntherelevantproductstandard.Theangle oftheconicalmandrel,fj, maybespecifiedintherelevantproductstaftdard. Whenlongitudinallyweldedtubesaresubjectedtothetest,theconicalmandrelmaybeprovidedwithagrooveto accommodateanintemalweldflash. 1.3 Theconicalmandrelmaybelubricated.Itshallnotrotaterelativetothet_tpieceduringthetest. 1.4 Incaseofdispute,therateofpenetrationoftheconicalmandrellhalnotexceed50nvnImin. 1.1 Interpretation ofthe drtft-expandlng teat IhaII becarried out inaccordancewIIh therequirementa ofthe relevantproduct8tandard.Whenthe8erequirementsarenotapecifted,theteetpieceshallbeconsideredtohave puaedtheteatifnocrack8....visiblewithouttheuseofmagnifyingaida.SlightcrackingattheedgesIhaIInotbe consideredcauseforrejection. IS 2336:2006 ISO 8493:1998 7 Tiltreport Atestreportshaltbeprovidedwhen80specifiedIntherelevantproductstandard.Inthiscase.theteatreportshall includeatleastthefollowinginfonnation: a) referencetothisIntemationalStandard,i.e.ISO8493; b) identificationofthetestpiece; c) dimensionsoftheteatpiece; d) maximumoutsidediameteroftheexpandedpartofthetestpiece,Du•orrelativeexpansionasapercentageof theoriginaldiameter,D; e) angleoftheconicalmandrel; f) resultofthetest. Bureau of Indian Standards BISisastatutoryinstitutionestablishedundertheBureauofIndianStandardsAct,1986topromote harmonious developmentofthe activitiesof standardization, marking and qualitycertification of goods andattendingtoconnectedmattersinthecountry. Copyright BIShasthecopyrightofallitspublications.Nopartofthesepublicationsmaybereproducedinany formwithoutthepriorpermissioninwritingofBIS.Thisdoesnotprecludethefreeuse,inthecourse of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiriesrelatingtocopyrightbeaddressedtothe Director(Publications), BIS. Review of Indian Standards Amendmentsareissued tostandardsastheneedarises onthebasisofcomments.Standardsare also reviewed periodically; a standard along with amendments is reaffirmed when such review indicatesthat nochangesareneeded; ifthereview indicatesthatchangesareneeded,itistaken upforrevision.Users ofIndianStandardsshould ascertainthattheyareinpossessionofthelatest amendmentsoreditionbyreferringtothelatestissueof 'BISCatalogue'and'Standards:Monthly Additions'. This Indian Standardhasbeen developedfrom Doc: No. MTD3(4430 ). 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