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Product Code:SAE AMS2670
Title:Brazing, Copper
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers the engineering requirements for producing brazed joints using copper as the brazing filler metal.【英文标准名称】:StandardPracticeforUseofApparatusfortheDeterminationofLengthChangeofHardenedCementPaste,Mortar,andConcrete
【原文标准名称】:硬化水泥浆、灰浆和混凝土长度变化测定用仪器使用的标准实施规程
【标准号】:ASTMC490/C490M-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C01.95
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:cementpaste;comparator;concrete;lengthchangeapparatus;molds;mortar;Cementmortars;Cementpastes;Changeinlength;Concrete;Hardenedconcrete;Volumetricmeasurement--cement/concrete
【摘要】:Thispracticeisintendedtoprovidestandardrequirementsforapparatuscommontomanytestmethodsusedinconnectionwithcementandconcreteandstandardizedproceduresforitsuse.Thedetailedrequirementsastomaterials,mixtures,specimens,conditioningofspecimens,numberofspecimens,agesatwhichmeasurementsaretobemade,interpretationofresults,andprecisionandbiasarelefttobedealtwithinspecifictestmethods.1.1Thispracticecoverstherequirementsfortheapparatusandequipmentusedtopreparespecimensforthedeterminationoflengthchangeinhardenedcementpaste,mortar,andconcrete,theapparatusandequipmentusedforthedeterminationoftheselengthchanges,andtheproceduresforitsuse.1.2Methodsforthepreparationandcuringoftestspecimens,conditionsoftestingandcuring,anddetailedproceduresforcalculatingandreportingtestresultsarecontainedinapplicabletestmethods.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【中国标准分类号】:P96
【国际标准分类号】:91_100_10
【页数】:5P.;A4
【正文语种】:英语