ASTM--D2996

Designation:D2996–01AnAmericanNationalStandardStandardSpecificationforFilament-Wound“Fiberglass’’(Glass-Fiber-ReinforcedThermosetting-Resin)Pipe1ThisstandardisissuedunderthefixeddesignationD2996;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecification2coversmachine-madereinforcedthermosettingresinpressurepipe(RTRP)manufacturedbythefilamentwindingprocessupto24in.nominalsize.Includedareaclassificationsystemandrequirementsformaterials,mechanicalproperties,dimensions,performance,methodsoftest,andmarking.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section8,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.NOTE1—Theterm“fiberglasspipe”asdescribedinSection3ofthisspecificationappliestobothreinforcedthermosettingresinpipe(RTRP)andreinforcedpolymermortarpipe(RPMP).Thisspecificationcoversonlyreinforcedthermosettingresinpipe(RTRP).NOTE2—ThisspecificationisapplicabletoRTRPwheretheratioofoutsidediametertowallthicknessis10:1ormore.NOTE3—ThereisnosimilarorequivalentISOStandard.NOTE4—Forthepurposesofthisstandard,polymerdoesnotincludenaturalpolymers.2.ReferencedDocuments2.1ASTMStandards:D618PracticeforConditioningPlasticsforTesting2D638TestMethodforTensilePropertiesofPlastics2D883TerminologyRelatingtoPlastics2,3D1598TestMethodforTime-to-FailureofPlasticPipeUnderConstantInternalPressure3D1599TestMethodforShort-TimeHydraulicFailurePres-sureofPlasticPipe,Tubing,andFittings3D1600TerminologyforAbbreviatedTermsRelatingtoPlastics2,3D2105TestMethodforLongitudinalTensilePropertiesof“Fiberglass”(Glass-Fiber-ReinforcedThermosetting-Resin)PipeandTube3D2143TestMethodforCyclicPressureStrengthofRein-forced,ThermosettingPlasticPipe3D2310ClassificationforMachine-Made“Fiberglass”(Glass-Fiber-ReinforcedThermosetting-Resin)Pipe3D2412TestMethodforDeterminationofExternalLoadingCharacteristicsofPlasticPipebyParallel-PlateLoading3D2992PracticeforObtainingHydrostaticorPressureDe-signBasisfor“Fiberglass”(Glass-Fiber-ReinforcedThermosetting-Resin)PipeandFittings3D3567PracticeforDeterminingDimensionsof“Fiber-glass”(Glass-Fiber-ReinforcedThermosetting-Resin)PipeandFittings3F412TerminologyRelatingtoPlasticPipingSystems43.Terminology3.1Definitions:3.1.1General—DefinitionsareinaccordancewithTermi-nologiesD883andF412andabbreviationsareinaccordancewithTerminologyD1600,unlessotherwiseindicated.TheabbreviationforreinforcedthermosettingresinpipeisRTRP.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1coating—aresinlayer,withorwithoutfillerorrein-forcement,orboth,appliedtotheexteriorsurfaceofthepipestructuralwall.3.2.2fiberglasspipe—atubularproductcontainingglass-fiberreinforcementsembeddedinorsurroundedbycuredthermosettingresin;thecompositestructuremaycontainaggregate,granularorplateletfillers,thixotropicagents,pig-ments,ordyes;thermoplasticorthermosettinglinersorcoat-ingsmaybeincluded.3.2.3filamentwinding—aprocessusedtomanufacturetubulargoodsbywindingcontinuousfibrousglassstrand1ThisspecificationisunderthejurisdictionofASTMCommitteeD20onPlasticsandisthedirectresponsibilityofSubcommitteeD20.23onReinforcedPlasticPipingSystemsandChemicalEquipment.CurrenteditionapprovedJune10,2001.PublishedAugust2001.OriginallypublishedasD2996–71.LastpreviouseditionD2996–00.2ThisspecificationwasrevisedtoincludeanISOequivalencystatementandasectiononkeywords.3AnnualBookofASTMStandards,Vol08.01.4AnnualBookofASTMStandards,Vol08.04.1*ASummaryofChangessectionappearsattheendofthisstandard.Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.(subsequentheatingmayberequiredtopolymerizetheresinsystem)ontotheoutsideofamandrelinapredeterminedpatternundercontrolledtension;theinsidediameter(ID)ofthepipeisfixedbythemandreloutsidediameterandtheoutsidediameter(OD)ofthepipeisdeterminedbytheamountofmaterialthatiswoundonthemandrel.3.2.4liner—theinnerportionofthewallatleast0.005in.(0.13mm)inthickness,asdeterminedin8.3.2,whichdoesnotcontributetothestrengthinthedeterminationofthehydro-staticdesignbasis.3.2.5reinforcedpolymermortarpipe(RPMP)—afiberglasspipewithaggregate.3.2.6reinforcedthermosettingresinpipe(RTRP)—afiber-glasspipewithoutaggregate.3.2.7reinforcedwallthickness—thetotalwallthicknessminusthelinerorexteriorcoatingthickness,orboth.4.Classification4.1General—Pipemeetingthisspecificationisclassifiedbytype,grade,class,andhydrostaticdesignbasis