SAE AMS4122 Aluminum Alloy Bars, Rods, and Wire Rolled or Cold Finished, and Rings, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7075
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来源:标准资料网
Product Code:SAE AMS4122
Title:Aluminum Alloy Bars, Rods, and Wire Rolled or Cold Finished, and Rings, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7075-T6), Solution and Precipitation Heat Treated
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of rolled or cold finished bars, rods, and wire, and of flash welded rings.
【英文标准名称】:Dimensionsoflow-voltageswitchgearandcontrolgear.Standardizedmountingonrailsformechanicalsupportofelectricaldevicesinswitchgearandcontrolgearinstallations
【原文标准名称】:低压开关设备和控制设备尺寸开关设备和控制设备成套装置中电气器件在机械支承导轨上的标准化安装
【标准号】:IEC60715-1981
【标准状态】:现行
【国别】:国际
【发布日期】:1981
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC17B
【标准类型】:()
【标准水平】:()
【中文主题词】:固定件;低电压技术;控制装置;电气设备;开关设备;开关设备;规范(验收);尺寸;电气工程;安装;安装轨;低电压;低压设备;电气装置;低压开关设备
【英文主题词】:Controldevices;Dimensions;Electricalappliances;Electricaldevice;Electricalengineering;Fixings;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Low-voltagetechnology;Mounting;Mountingrails;Specification(approval);Switchgear;Switchgears
【摘要】:Appliestodimensionalandfunctionalrequirementsforthecompatiblemountingofelectricaldevicessuchascircuit-breakers,switches,contactors,relays,etc.andrelatestoseveralshapesoftheusedrailsandmethodsoffixingthedevicesonthem.
【中国标准分类号】:K05;K31
【国际标准分类号】:29_130_20
【页数】:41P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforVaporPressureofGasolineandGasoline-OxygenateBlends(DryMethod)
【原文标准名称】:汽油和汽油元氧混合物蒸气压力的标准试验方法(干燥法)
【标准号】:ASTMD4953-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽油;试验;蒸气压力
【英文主题词】:
【摘要】:Vaporpressureisanimportantphysicalpropertyofliquidspark-ignitionenginefuels.Itprovidesanindicationofhowafuelwillperformunderdifferentoperatingconditions.Forexample,vaporpressureisafactorindeterminingwhetherafuelwillcausevaporlockathighambienttemperatureorathighaltitude,orwillprovideeasystartingatlowambienttemperature.Petroleumproductspecificationsgenerallyincludevaporpressurelimitstoensureproductsofsuitablevolatilityperformance.Note38212;Vaporpressureoffuelsisregulatedbyvariousgovernmentagencies.1.1Thistestmethodcoversandisapplicabletogasolinesandgasoline-oxygenateblendswithavaporpressurerangefrom35to100kPa(5to15psi)(seeNote2).Thistestmethod,amodificationofTestMethodD323(ReidMethod),providestwoprocedurestodeterminethevaporpressure(Note1)ofgasolineandgasoline-oxygenateblends.Note0Becausetheexternalatmosphericpressureiscounteractedbytheatmosphericpressureinitiallypresentintheairchamber,thisvaporpressureisanabsolutepressureat37.8176;C(100176;F)inkilopascals(pounds-forcepersquareinch).Thisvaporpressurediffersfromthetruevaporpressureofthesampleduetosomesmallvaporizationofthesampleandairintheconfinedspace.Note0Vaporpressureofgasolineorgasoline-oxygenateblendsbelow35kPa(5psi)orgreaterthan100kPa(15psi)canbedeterminedwiththistestmethodbuttheprecisionandbias(Section)donotapply.Formaterialswithavaporpressuregreaterthan100kPa(15psi),usea0to200kPa(0to30psi)gaugeasspecifiedintheannexofTestMethodD323.1.2Somegasoline-oxygenateblendsmayshowahazewhencooledto0to1176;C.Ifahazeisobservedin9.4,itshallbeindicatedinthereportingofresults.Theprecisionandbiasstatementsforhazysampleshavenotbeendetermined(seeNote7).1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificwarningsaregivenin7.5,8.4.1,8.5.1,9.1,A1.1,andA1.1.3.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:8P.;A4
【正文语种】:
