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【英文标准名称】:StandardPracticeforSamplingandAcceptanceofThermalInsulationLots
【原文标准名称】:批量预制的隔热材料的抽样和验收的标准实施规程
【标准号】:ASTMC390-2008e1
【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】:C16.31
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:batts;blanket;block;board;pipe;preformed;samplingandacceptance;thermalinsulation;Acceptancecriteria/testing;Preformedthermalinsulation;Samplingthermalinsulatingmaterials;Thermalinsulatingmaterials
【摘要】:Thesamplingandinspectionprescribedinthisstandardaffordthepurchaserapracticallevelofqualityassuranceonincomingmaterial.Theyarebasedoncost/riskrelationshipsconsideredtypicalforpreformedthermalinsulationsofferedforgeneraluse.Inallcases,thepurchasershouldreviewthisstandardanddetermineitssuitabilityintermsofhisspecificneeds.Thisprocedureisintendedprimarilyfortheinspectionofacontinuingstreamoflots,andthereisnotahighprobabilityofrejectingoccasionalofflots.Consumerprotectionisbasedoneconomicpressureontheproducer,throughgreaterriskoflotrejection,tomaintaintheprocessaverageat90%conformanceorbetter.OperatingcharacteristiccurvesforthesamplingplansemployedcanbefoundinPracticeE2234,TableX-CthroughTableX-F.Itisnottheintentofthisproceduretoestimatelotquality,controlthequalityofproduction,relievethesupplierofresponsibilityforthequalityofmaterialoffered,ordeterminethedispositionofmaterialfoundtobedefectiveafterreceiptbythepurchaser.1.1Thisstandardprovidescriteriaforestablishingtheacceptabilityoflotsofshipmentsofpreformedboard,preformedblockandpipe,andbattsandblanketthermalinsulationbasedonsamplingandinspection.1.2ThisstandardisintendedforuseinconjunctionwithappropriateASTMmaterialspecificationsthatclassifyanddescribethespecificphysicalrequirementsfortheproductintermsofqualificationrequirementsandinspectionrequirements.Determinationofnonconformityshallbebasedonthetolerancesforindividualsampletestvaluesprescribedinthematerialspecification.1.3Thisstandardmayrequireinspectionsubstantiallydifferentfromthatperformedinthenormalcourseofproduction.Ifthepurchaserrequiressamplingandacceptanceinspectioninaccordancewiththispractice,heshallsospecifyintheorderorcontract.1.4Thevalesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:4P.;A4
【正文语种】:英语