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ISBN978-0-626-20745-8SANS719:2008Edition3.1AnyreferencetoSABS719isdeemedtobeareferencetothisstandard(GovernmentNoticeNo.1373of8November2002)SOUTHAFRICANNATIONALSTANDARDElectricweldedlowcarbonsteelpipesforaqueousfluids(largebore)PublishedbyStandardsSouthAfrica1drlateganroadgroenkloofprivatebagx191pretoria0001tel:0124287911fax:0123441568internationalcode+2712©StandardsSouthAfricaThiseStandardisexclusivelyforCCCBotswanaforuseonONEstandalonePC.Toaccessitfromafileserver/IntranetconstitutesaviolationofSABScopyrightrules.NotethatonlyONEprintoutofthestandardmaybemade.SANS719:2008Edition3.1TableofchangesChangeNo.DateScopeAmdt12008AmendedtochangethedesignationofSABSstandardstoSANSstandardsandtoupdatethedefinitionofacceptable.AcknowledgementStandardsSouthAfricawishestoacknowledgethevaluableassistancederivedfrompublicationsofthefollowingorganizations:AmericanPetroleumInstituteBritishStandardsInstituteDeutscherNormenausschussForewordThisSouthAfricanstandardwasapprovedbyNationalCommitteeStanSASC5120.12D,Waterandsanitation–Equipmentandsystems–Copperpipesandsteelpipesandfittings,inaccordancewithproceduresofStandardsSouthAfrica,incompliancewithannex3oftheWTO/TBTagreement.ThisdocumentwaspublishedinFebruary2008.ThisdocumentsupersedesSABS719:2002(edition3).AverticallineinthemarginshowswherethetexthasbeentechnicallymodifiedbyamendmentNo.1.AnnexAformsanintegralpartofthisdocument.AnnexBisforinformationonly.ThiseStandardisexclusivelyforCCCBotswanaforuseonONEstandalonePC.Toaccessitfromafileserver/IntranetconstitutesaviolationofSABScopyrightrules.NotethatonlyONEprintoutofthestandardmaybemade.SANS719:2008Edition3.11ContentsPageAcknowledgementForeword1Scope...............................................................................................................................32Normativereferences.......................................................................................................33Definitions........................................................................................................................34Materialrequirements......................................................................................................45Generalrequirements......................................................................................................56Inspectionandmethodsoftest........................................................................................106.1Inspection................................................................................................................106.2Destructivetests......................................................................................................116.3Hydraulictest..........................................................................................................116.4Coatingsandlinings................................................................................................117Marking............................................................................................................................11Figures1-4.........................................................................................................................12-13AnnexA(normative)Notestopurchasers.......................................................................14AnnexB(informative)Qualityverificationofelectricweldedlowcarbonsteelpipes........15Bibliography........................................................................................................................15ThiseStandardisexclusivelyforCCCBotswanaforuseonONEstandalonePC.Toaccessitfromafileserver/IntranetconstitutesaviolationofSABScopyrightrules.NotethatonlyONEprintoutofthestandardmaybemade.SANS719:2008Edition3.12ThispageisintentionallyleftblankThiseStandardisexclusivelyforCCCBotswanaforuseonONEstandalonePC.Toaccessitfromafileserver/IntranetconstitutesaviolationofSABScopyrightrules.NotethatonlyONEprintoutofthestandardmaybemade.SANS719:2008Edition3.13Electricweldedlowcarbonsteelpipesforaqueousfluids(largebore)1ScopeThisstandardcoversthreegradesofcarbonsteelpipesofsize219,1mmto2230mmusedintheconveyanceofwaterandotheraqueousfluids.2NormativereferencesThefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisstandard.Allstandardsaresubjecttorevision,andsinceanyreferencetoastandardisdeemedtobeareferencetothelatesteditionofthatstandard,partiestoagreementsbasedonthisstandardareencouragedtotakestepstoensuretheuseofthemostrecenteditionsofthestandardsindicatedbelow.InformationoncurrentlyvalidnationalandinternationalstandardscanbeobtainedfromStandardsSouthAfrica.SANS32/EN10240,Internaland/orexternalprotectivecoatingsforsteeltubes–Specificationforhotdipgalvanizedcoatingsappliedinautomaticplants.SANS121/ISO1461,Hot-dipgalvanizedcoatingsonfabricatedironandsteelarticles–Specificationsandtestmethods.SANS1178(SABS1178),Theproductionoflinedandcoatedsteelpipesusingbitumenorcoaltarenamel.SANS1217(SABS1217),Theproductionofpaintedandpowder-coatedsteelpip