ASTM_D_2997_-_21.pdf

Designation:D299721Standard Specification forCentrifugally Cast“Fiberglass”(Glass-Fiber-ReinforcedThermosetting-Resin)Pipe1This standard is issued under the fixed designation D2997;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers machine-made glass-fiber-reinforced thermosetting-resin pressure pipe manufactured bythe centrifugal casting process.Included are a classificationsystem and requirements for materials,mechanical properties,dimensions,performance,test methods,and marking.NOTE1The term“fiberglass pipe”as described in Section 3 applies toboth reinforced thermosetting resin pipe(RTRP)and reinforced polymermortar pipe(RPMP).NOTE2Pipe covered by this specification has been found suitable forconveying gases,petroleum products,or corrosive fluids.NOTE3For the purposes of this standard,polymer does not includenatural polymers.1.2 The values given in parentheses are for informationonly.NOTE4There is no known ISO equivalent to this standard.1.3 The following precautionary caveat pertains only to thetest method portion,Section 7,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C33 Specification for Concrete AggregatesD618 Practice for Conditioning Plastics for TestingD883 Terminology Relating to PlasticsD1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD1599 Test Method for Resistance to Short-Time HydraulicPressure of Plastic Pipe,Tubing,and FittingsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2105 Test Method for Longitudinal Tensile Properties of“Fiberglass”(Glass-Fiber-Reinforced Thermosetting-Resin)Pipe and TubeD2143 Test Method for Cyclic Pressure Strength ofReinforced,Thermosetting Plastic PipeD2412 Test Method for Determination of External LoadingCharacteristics of Plastic Pipe by Parallel-Plate LoadingD2992 Practice for Obtaining Hydrostatic or Pressure De-sign Basis for“Fiberglass”(Glass-Fiber-ReinforcedThermosetting-Resin)Pipe and FittingsD3567 Practice for Determining Dimensions of“Fiberglass”(Glass-Fiber-Reinforced Thermosetting Resin)Pipe andFittingsF412 Terminology Relating to Plastic Piping Systems3.Terminology3.1 DefinitionsDefinitions are in accordance with Termi-nologies D883 and F412 and abbreviations with TerminologyD1600,unless otherwise indicated.3.2 Definitions of Terms Specific to This Standard:3.2.1 aggregate,na siliceous sand conforming to therequirements of Specification C33,except that the require-ments for gradation shall not apply.3.2.2 centrifugal casting,na manufacturing process usedto produce tubular goods by applying resin and reinforcementto the inside of a mold that is rotated and heated,subsequentlypolymerizing the resin system.The outside diameter(OD)ofthe finished pipe is fixed by the inside diameter(ID)of themold tube.The inside diameter of the pipe is determined by theamount of material introduced into the mold.3.2.3 fiberglass pipe,na tubular product containing glassfiber reinforcements embedded in or surrounded by curedthermosetting resin;the composite structure may containaggregate,granular or platelet fillers,thixotropic agents,1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.23 on ReinforcedThermosetting Resin Piping Systems and Chemical Equipment.Current edition approved May 1,2021.Published June 2021.Originallyapproved in 1971.Last previous edition approved in 2015 as D2997 15.DOI:10.1520/D2997-21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the Worl