SAE AMS4375 Sheet and Plate, Magnesium Alloy, 3.0Al - 1.0Zn - 0.20Mn (AZ31B-0) Annealed and Recrystallized
时间:2024-05-22 06:09:20 来源: 标准资料网 作者：标准资料网 阅读：8151
Product Code:SAE AMS4375
Title:Sheet and Plate, Magnesium Alloy, 3.0Al - 1.0Zn - 0.20Mn (AZ31B-0) Annealed and Recrystallized
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers a magnesium alloy in the form of sheet and plate.
【英文标准名称】:ULStandardforSafetyTestsofFireResistiveGreaseDuctEnclosureAssembliesCOMMENTSDUE:MAY8,2007
【原文标准名称】:油脂输送管外户套配件耐火试验UL安全性标准.评议提交截止日期:2007年5月8日
【标准号】:UL2221BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-03-09
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Thesetestsareintendedtodeterminethefireresistanceofgreaseductenclosureassemblies.Theserequirementslimitthecombustibility,thesurfaceflammability,andthesmokegenerationpotentialofthecoveringsusedtoenclosethegreaseduct.Inaddition,theserequirementsevaluatetheeffectivenessofthecombinationofthegreaseductandtheenclosureasafireratedenclosuresystemandthroughpenetrationfirestopsystem,aswellastheenclosure''seffectonthegreaseduct.1.2Thefireenduranceratingsforgreaseductenclosureassembliesareintendedtoregisterperformanceduringtheperiodoffireexposureandarenotintendedtobeinterpretedashavingdeterminedtheacceptabilityofthegreaseductassemblyforusebeforeorafterfireexposure.Theintentofthesemethodsistodevelopdatatoassistothersindeterminingthesuitabilityofthegreaseductassemblywherefireresistanceisrequired.1.3Theserequirementsareintendedtoevaluatetheabilityofgreaseductenclosureassembliesspecifiedin1.1tocontainaninternalfireorrepelanexternalfireduringpredeterminedtestexposures.Thetestevaluatesthegreaseductassembly'sresistancetofire,heat,andtoahosestream.1.4RequirementscoveringtheconstructionandperformancerequirementsofproprietarygreaseductsarecontainedintheStandardforGreaseDucts,UL1978.Allducts,bothproprietaryandnon-proprietary,shallcomplywithinstallationrequirementsoftheStandardforVentilationControlandFireProtectionofCommercialCookingOperations,NFPA96,andtheInternationalMechanicalCode.1.5Undertheserequirementsagreaseductenclosureassemblyissubjectedtostandardinternalandexternalfireexposurescontrolledtoachievespecifiedtemperaturesthroughoutaspecifiedtimeperiod.1.6Duringtheinternalfireexposure,oneoftwoinstallationconditionmethodsistobeselectedtomeasuretemperaturesnearoronthesurfaceofthegreaseductenclosurematerialawayfromthegreaseduct.Onemethodoftemperaturemeasurementisintendedforallinstallationsexceptforinstallationswithinnon-ventilatedcombustibleenclosures.Thesecondmethodoftemperaturemeasurementisintendedforinstallationswithinnon-ventilatedcombustibleenclosures.1.7Theseexposuresbythemselvesarenotintendedtoberepresentativeofallfireconditions;conditionsvarywithchangesintheamount,nature,anddistributionoffireloading,ventilation,compartmentsizeandconfiguration,andheatsinkcharacteristicsofthecompartment.1.8Theserequirementscoverthemeasurementofthetransmissionofheatthroughthegreaseductassemblyandthepassageofheatandgaseshotenoughtoignitecottonwaste.1.9Theserequirementsprovidearelativemeasureoffireperformanceunderthesespecifiedfireexposureconditions.Anyvariationfromtheconstructionorconditionsthataretested,suchasmethodofassemblyandmaterials,isnotwithinthescopeofthistestmethod.1.10Theresultsofthesetestsrepresentonefactorinassessingfireperformanceofgreaseductassemblies.Theserequirementsprescribestandardfireexposuresforassessingtheperformanceofgreaseductassemblies.Applicationofthesetestresultstopredicttheperformanceofactualbuildingconstructionrequirescarefulevaluationoftestdata.
【中国标准分类号】:P94
【国际标准分类号】:91_140_30
【页数】:
【正文语种】:英语
【英文标准名称】:Ferrulesandassemblywiresforbraidedrubbercordassembliesforaerospaceuse
【原文标准名称】:航空航天用的编织橡胶绳组件的外用套管和组合金属丝
【标准号】:BS3SP168-169-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-09-27
【实施或试行日期】:2002-09-27
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:金属线;钢;尺寸;飞行器部件;编织绳;软索;橡胶;箍
【英文主题词】:Aircraftcomponents;Braidedcords;Cords;Dimensions;Ferrules;Rubber;Steels;Wires
【摘要】:ThisBritishStandardspecifiesthematerials,dimensionsandfinishforsteelwireferrules(BS3SP168)andassociatedassemblywires(BS3SP169)forusewithbraidedrubbercordsconformingtoBSF70andBSF71andforfinishedassembliesspecifiedinBSSP170-171,foraerospaceapplications.
【中国标准分类号】:V11
【国际标准分类号】:49_035
【页数】:8P.;A4
【正文语种】:英语