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SAE AMS4116 Aluminum Alloy, Bars, Rods, and Wire, 1.0Mg - 0.60Si - 0.30Cu - 0.20Cr (6061-T4), Cold Finished, Solution He

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Product Code:SAE AMS4116
Title:Aluminum Alloy, Bars, Rods, and Wire, 1.0Mg - 0.60Si - 0.30Cu - 0.20Cr (6061-T4), Cold Finished, Solution Heat Treated and Naturally Aged
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of bars, rods, and wire.These products have been used typically for parts requiring moderate ductility, formability, and response to precipitation heat treatment, but usage is not limited to such applications.
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【英文标准名称】:Industrial-processcontrolvalves.Noiseconsiderations.Controlvalveaerodynamicnoisepredictionmethod
【原文标准名称】:工业过程控制阀.噪声问题.控制阀的气动噪声预测法
【标准号】:BSEN60534-8-3-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-06-30
【实施或试行日期】:2011-06-30
【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】:
【英文主题词】:Acousticmeasurement;Aerodynamicflow;Airbornenoise;Controlvalves;Correctingunits;Definitions;Direction-controlvalves;Electricalengineering;Fluidengineering;Laboratorytesting;Laboratorytests;Liquidflow;Mathematicalcalculations;Measurement;Measurementofairbornenoise;Measuringtechniques;Methodsofcalculation;Noise;Noiseemissions;Noisemeasurements;Pipelines;Processcontrol;Processmeasuringandcontroltechnology;Soundpressurelevel;Testing;Valves
【摘要】:ThispartofIEC60534establishesatheoreticalmethodtopredicttheexternalsoundpressurelevelgeneratedinacontrolvalveandwithinadjacentpipeexpandersbytheflowofcompressiblefluids.Thismethodconsidersonlysingle-phasedrygasesandvapoursandisbasedontheperfectgaslaws.Thisstandardaddressesonlythenoisegeneratedbyaerodynamicprocessesinvalvesandintheconnectedpiping.Itdoesnotconsideranynoisegeneratedbyreflectionsfromexternalsurfacesorinternallybypipefittings,mechanicalvibrations,unstableflowpatternsandotherunpredictablebehaviour.Itisassumedthatthedownstreampipingisstraightforalengthofatleast2mfromthepointwherethenoisemeasurementismade.Thismethodisvalidonlyforsteelandsteelalloypipes(seeEquations(21)and(23)in5.5).Themethodisapplicabletothefollowingsingle-stagevalves:globe(straightpatternandanglepattern),butterfly,rotaryplug(eccentric,spherical),ball,andvalveswithcagetrims.SpecificallyexcludedarethefullboreballvalveswheretheproductFpCexceeds50%oftheratedflowcoefficient.Forlimitationsonspeciallownoisetrimsnotcoveredbythisstandard,seeClause8.WhentheMachnumberinthevalveoutletexceeds0,3forstandardtrimor0,2forlownoisetrim,theprocedureinClause7isusedTheMachnumberlimitsinthisstandardareasfollows:
【中国标准分类号】:J16
【国际标准分类号】:17_140_20;23_060_40;25_040_40
【页数】:52P.;A4
【正文语种】:英语


【英文标准名称】:PLASTICS.IMPACT-RESISTANTACRYLONITRILE/STYRENMOULDINGANDEXTRUSIONMATERIALS(ASA,AES,ACS),EXCLUDINGBUTADIENE-MODIFIEDMATERIALS.PART1:DESIGNATION.
【原文标准名称】:塑料.铸模和挤压用抗冲击的无1,2-丁二烯的丙腈/苯乙烯基热塑料
【标准号】:NFT53-037-1-1991
【标准状态】:作废
【国别】:法国
【发布日期】:1991-12
【实施或试行日期】:1991-11-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;挤压件;数据块;数据代码;热塑性树脂;热塑性聚合物;苯乙烯;丙烯腈;塑料;抗震性;冲击强度;塑料模压;模制;挤压
【英文主题词】:
【摘要】:
【中国标准分类号】:G32
【国际标准分类号】:
【页数】:5P;A4
【正文语种】:其他