NF A50-610-3-2008 铝和铝合金.冷拉杆材/棒材和管材.第3部分:圆棒材的尺寸和形状公差
时间:2024-05-05 14:33:04 来源: 标准资料网 作者：标准资料网 阅读：8660
【英文标准名称】:Aluminiumandaluminiumalloys-Colddrawnrod/barandtube-Part3:roundbars,tolerancesondimensionsandform.
【原文标准名称】:铝和铝合金.冷拉杆材/棒材和管材.第3部分:圆棒材的尺寸和形状公差
【标准号】:NFA50-610-3-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-06-01
【实施或试行日期】:2008-06-28
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铝;铝合金;铝管;棒材;冷拔(拉);尺寸公差;尺寸;拉拔;形状公差;极限偏差;有色金属合金;有色金属;管;杆材;圆棒材;半成品;公差(测量)
【英文主题词】:Aluminium;Aluminiumalloys;Aluminiumpipes;Bars(materials);Cold-drawn;Dimensionaltolerances;Dimensions;Drawn;Formtolerances;Limitdeviations;Non-ferrousalloys;Non-ferrousmetals;Pipes;Poles;Roundrods;Semi-finishedproducts;Tolerances(measurement)
【摘要】:
【中国标准分类号】:H61
【国际标准分类号】:77_150_10
【页数】:9P;A4
【正文语种】:其他
【英文标准名称】:StandardSpecificationforSteelSheetPiling
【原文标准名称】:薄钢板桩的标准规范
【标准号】:ASTMA328/A328M-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:A01.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:carbon;cofferdams;dockwalls;excavations;seawalls;sheetpiling;steel;structuralsteel
【摘要】:1.1Thisspecificationcoverscarbonsteelsheetpilingofstructuralqualityforuseintheconstructionofdockwalls,seawalls,cofferdams,excavations,andlikeapplications(seeSpecificationA572/A572M).1.2Whenthesteelistobewelded,itispresupposedthataweldingproceduresuitableforthegradeofsteelandintendeduseorservicewillbeutilized.SeeAppendixX3ofSpecificationA6/A6Mforinformationonweldability.1.3Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththisspecification.1.4Forsheetpilingproducedfromcoilandfurnishedwithoutheattreatmentorwithstressrelievingonly,theadditionalrequirements,includingadditionaltestingrequirementsandthereportingofadditionaltestresults,ofSpecificationA6/A6Mapply.
【中国标准分类号】:H46
【国际标准分类号】:77_140_70
【页数】:2P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforBaseNumberofPetroleumProductsbyPotentiometricPerchloricAcidTitration
【原文标准名称】:用高氯酸电位滴定法对石油产品碱值的标准试验方法
【标准号】:ASTMD2896-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D02.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:碱值;润滑剂;石油产品;试验;滴定法
【英文主题词】:basenumber;perchloricacid;petroleumproducts;potentiometrictitration
【摘要】:Newandusedpetroleumproductscancontainbasicconstituentsthatarepresentasadditives.Therelativeamountsofthesematerialscanbedeterminedbytitrationwithacids.Thebasenumberisameasureoftheamountofbasicsubstanceintheoil,alwaysundertheconditionsofthetest.Itissometimesusedasameasureoflubricantdegradationinservice;however,anycondemninglimitsmustbeempiricallyestablished.1.1Thistestmethodcoversthedeterminationofbasicconstituentsinpetroleumproductsbytitrationwithperchloricacidinglacialaceticacid.1.2ProceduresAandBusedifferenttitrationsolventvolumesandsampleweights.Note1-Aroundrobinonaseriesofnewandusedoilsandadditiveconcentrateshasshownthatthetwoproceduresgivestatisticallyequivalentresults.1.3AppendixX2providestheuseofanalternativesolventsystemwhicheliminatestheuseofchlorobenzeneinthistestmethod.Theuseofthealternativesolventgivesstatisticallyequivalentresults;however,theprecisionisworse.Paragraphprovidesguidancewhencomparingresultsusingthetwodifferentsolvents.1.4Theconstituentsthatmaybeconsideredtohavebasiccharacteristicsincludeorganicandinorganicbases,aminocompounds,saltsofweakacids(soaps),basicsaltsofpolyacidicbases,andsaltsofheavymetals.Note2-ThistestmethodisapplicabletobothfreshoilsandusedoilsasdescribedinSections16,17,and19andAppendixX1.1.5Thistestmethodcanbeusedtodeterminebasenumber>300mgKOH/g.However,theprecisionstatementinSectionhasbeenobtainedonlyonbasenumber300mgKOH/g.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,seeSection7,Section10,andX2.2.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:9P.;A4
【正文语种】: