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【英文标准名称】:StandardSpecificationforBlackandHot-DippedZinc-Coated(Galvanized)WeldedandSeamlessSteelPipeforFireProtectionUse
【原文标准名称】:消防用黑色和热浸镀锌焊接钢管及无缝钢管用标准规范
【标准号】:ASTMA795/A795M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:A01.09
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:blacksteelpipe;seamlesssteelpipe;steelpipe;weldedsteelpipe;zinccoatedsteelpipe;Blacksteelpipe--specifications;Firefightingsystems--speicfications;Standpipes;Weldedsteelpipe--specifications;Zinc-coatedsteelpipe--specifications
【摘要】:1.1Thisspecificationcoversblackandhot-dippedgalvanizedweldedandseamlesssteelpipeinNPS1/2toNPS10,inclusive[DN15toDN250,inclusive](Note1),withwallthicknessesasgiveninTable1andTable2.PipehavingotherwallthicknessesmaybefurnishedprovidedsuchpipecomplieswithallotherrequirementsofthisspecificationandtheoutsidediameterisasgiveninTable2.Pipeorderedunderthisspecificationisintendedforuseinfireprotectionsystems.Thepipemaybebent,butitisnotintendedforbendingmadeatambienttemperaturewhereintheinsidediameterofthebendislessthantwelvetimestheoutsidediameterofthepipebeingbent(Note2).Note18212;ThedimensionlessdesignatorsNPS(nominalpipesize)andDN(nominaldiameter)havebeensubstitutedinthisstandardforsuchtraditionaltermsasx201C;nominaldiameter,x201D;x201C;size,x201D;andx201C;nominalsize.x201D;Note28212;Successfulbendingofpipeisafunctionofequipmentandtechniqueaswellaspipeproperties.1.2Thispipeissuitableforjoiningbythefollowingmethods:1.2.1Light-WeightFireProtectionPipe8212;Rolledgroove,welding,andfittingsforplainendpipe.SeeTable1fordimensions.1.2.2Standard-WeightFireProtectionPipe8212;Cutorrolledgroove,threading,welding,andfittingsforplainendpipe.SeeTable2fordimensions.1.2.3ForpipehavingdimensionsotherthanthoseofTable1andTable2,thejoiningmethodmustbecompatiblewiththepipedimensions.AcompletelistingofstandardlightweightdimensionsappearsinASMEB36.10andB36.19.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Sections8,9,and10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:7P.;A4
【正文语种】:英语