基本信息
| 标准名称： | 16kgf/cm2法兰青铜截止阀 |
| 中标分类： |
船舶 >>
船舶管路附件 >>
船用阀件 |
| 替代情况： | 被CB/T 4015-2005代替 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1993-09-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2005-07-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
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引用标准
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所属分类： 船舶 船舶管路附件 船用阀件
【英文标准名称】:StandardTestMethodsforSieveAnalysisandWaterContentofRefractoryMaterials
【原文标准名称】:耐火材料筛析和含水量的标准试验方法
【标准号】:ASTMC92-1995(2010)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:C08.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:干筛析;耐火材料;含水量;湿筛析;耐火材料(一般);筛析;水含量
【英文主题词】:drysieveanalysis;refractories;watercontent;wetsieveanalysis;Refractories(general);Sieveanalysis;Watercontent
【摘要】:Particlesizedistributionhasamajoraffectuponmostoftherefractoryproperties.Thesetestmethodsprovideameansofmeasuringthedistributionforthepurposeofcomparisontothedesireddistribution.Thesetestmethodsalsocoverdeterminationofthewatercontentofrefractorymaterialsinthewetconditionandofair-driedsamplesreceived,sothatthesieveanalysiscanbecalculatedonthedrybasis.Thesemethodscanproducedataforspecificationacceptance,designpurposes,manufacturingcontrol,andresearchanddevelopment.Areferencesetofstandardmatchedorcalibratedsievesshallbeprovidedforuseincheckingthesetofsievesusedintheactualsieveanalysisofsamples.ThesievesforuseinsieveanalysismayalsobestandardmatchedsievesormaybeunmatchedsievesconformingtotheSpecificationTableinSpecificationE11,providedthatsuchsieveswillgiveresultsthatdifferbynomorethan5%fromthoseobtainedwiththereferencesetwhenthetwosetsarecomparedinaccordancewiththesectionofTestMethodC429ontestingofsievesandsamplessplitters.1.1Thesetestmethodscoverawetandadrymethodforsieveanalysisofrefractorymaterials.1.1.1WetSieveAnalysis8212;Waterpromotestheslakingofclaysandhelpstoseparatefineparticles,washingthemfromthelargergrains.Thismethodisrecommendedforusewithmaterialsthatrequirewateraddition,andthatslakeinnormalindustrialuse.1.1.2DrySieveAnalysis8212;Thedrymethodisnotaseffectiveasthewetmethodindeterminingtheamountofmaterialpresentinthesmallerparticlesizes.Itisrecommended(1)forclays,whentheslakingactionofwaterisundesirable,(2)whenthematerialisintheformofcoarselygroundgrogandcalcine,and(3)whentheclayistobeusedinsuchawaythattheultimateparticlesizeisofsecondaryimportance.1.2Thesetestmethodsalsocoverdeterminationofthewatercontentofrefractorymaterialsinthewetconditionandofair-driedsamplesasreceived,sothatthesieveanalysiscanbecalculatedonthedrybasis.Includedisamethodforobtainingthewatercontentofotherrefractorymaterials,suchasplasticrefractoriesandwetmixes.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:4P.;A4
【正文语种】: