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【英文标准名称】:Plainwashers.Normalseries.ProductgradeA
【原文标准名称】:平垫圈.标准系列.产品等级A级
【标准号】:BSENISO7089-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-09-15
【实施或试行日期】:2000-09-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;垫圈;硬度;优先尺寸;等级(质量);尺寸公差;可拆零件;直径;孔;尺寸规格
【英文主题词】:Deliveryconditions;Designations;Dimensions;Fasteners;Productgrades;Properties;Separatingparts;Shallow;Tolerances(measurement);Washers
【摘要】:ThisInternationalStandardspecifiesthecharacteristicsofnormal-series,product-grade-Aplainwashersinthe200HVand300HVhardnessclassesandofnominalsizes(nominalthreaddiameters)rangingfrom1,6mmto64mminclusive.Washersofhardnessclass200HVaresuitablefor—hexagonboltsandscrewsofproductgradesAandBinpropertyclassesuptoandincluding8.8;—hexagonnutsofproductgradesAandBinpropertyclassesuptoandincluding8;—hexagonbolts,screwsandnutsofstainlesssteelofsimilarchemicalcomposition;—case-hardenedthreadrollingscrews.Washersofhardnessclass300HVaresuitablefor—hexagonboltsandscrewsofproductgradesAandBinpropertyclassesuptoandincluding10.9;—hexagonnutsofproductgradesAandBinpropertyclassesuptoandincluding10.IfdimensionsotherthanthoselistedinthisInternationalStandardarerequired,theyshouldbeselectedfromthosegiveninISO887.Whensoftmaterialpiecesareclamped,orlargeclearanceholesintheworkpieceareused,theusershouldcheckthetechnicalsuitabilityofthistypeofwasher.
【中国标准分类号】:J13
【国际标准分类号】:21_060_30
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Liquefiedpetroleumgasandlighthydrocarbons-Determinationofdensityorrelativedensity-Pressurehydrometermethod(ISO3993:1984);GermanversionENISO3993:1995
【原文标准名称】:液化石油气和轻质烃类.密度或相对密度的测定.压力液体比重测定法(ISO3993:1984);德文版本ENISO3993:1995
【标准号】:DINENISO3993-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;石油密度计法;测定;试验;轻质烃;液化石油气;定义;压力;蒸气压力;烃类;密度测量;密度
【英文主题词】:Definition;Definitions;Density;Densitymeasurement;Determination;Hydrocarbons;Hydrometermethod;Hydrometers;Lighthydrocarbons;Liquefiedpetroleumgas;Liquidfuels;Petroleumproducts;Physicaltesting;Pressure;Relativedensity;Testequipment;Testing;Tests;Vapourpressure
【摘要】:Thedocumentspecifiesamethodforthedeterminationofdensityorrelativedensityofliquefiedpetroleumgasesandotherlighthydrocarbons.Theprescribedapparatusshallnotbeusedformaterialshavinggaugevapourpressureshigherthan1,4MPa(14bar)(absolutevapourpressure1,5MPa)atthetesttemperature.
【中国标准分类号】:E46
【国际标准分类号】:75_160_30
【页数】:7P.;A4
【正文语种】:德语