ASTM A182A182M-18 英文版

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1、ThisinternationalstandardwasdevelopedinaccordancewithinternationallyrecognizedprinciplesonstandardizationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecommendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee

2、.Designation:A182/A182M−18EndorsedbyManufacturersStandardizationSocietyoftheValveandFittingsIndustryUsedinUSDOE-NEStandardsStandardSpeciÞcationforForgedorRolledAlloyandStainlessSteelPipeFlanges,ForgedFittings,andValvesandPartsforHigh-Temperature1ServiceThisstandardisissuedunder

3、theÞxeddesignationA182/A182M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreap

4、proval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.6ThevaluesstatedineitherSIunitsorinch-poundunits2aretoberegardedseparatelyasthestandard.Withinthetext,1.1ThisspeciÞcationcoversforgedlowalloyandstainlesstheSIunitsareshowninbrackets.Thevalu

5、esstatedineachsteelpipingcomponentsforuseinpressuresystems.Includedsystemmaynotbeexactequivalents;therefore,eachsystemareßanges,Þttings,valves,andsimilarpartstospeciÞedshallbeusedindependentlyoftheother.Combiningvaluesdimensionsortodimensionalstandards,suchastheASMEfromthetwosy

6、stemsmayresultinnon-conformancewiththespeciÞcationsthatarereferencedinSection2.standard.1.2Forbarsandproductsmachineddirectlyfrombar(other1.7Thisinternationalstandardwasdevelopedinaccor-thanthosedirectlyaddressedbythisspeciÞcation;see6.4),dancewithinternationallyrecognizedprinc

7、iplesonstandard-refertoSpeciÞcationsA479/A479MandA739forthesimilarizationestablishedintheDecisiononPrinciplesforthegradesavailableinthosespeciÞcations.ProductsmadetothisDevelopmentofInternationalStandards,GuidesandRecom-speciÞcationarelimitedtoamaximumweightof10000lbmendationsi

8、ssuedbytheWorldTradeOrganizationTechnical[4540kg].Forl