SAE AS7470 Bolts and Screws, Steel, Corrosion and Moderate Heat Resistant Heat Treated, Roll Threaded

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Product Code:SAE AS7470
Title:Bolts and Screws, Steel, Corrosion and Moderate Heat Resistant Heat Treated, Roll Threaded
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope: This procurement specification covers aircraft quality bolts and screws made from a corrosion and moderate heat resistant martensitic iron base alloy of the type identified under the Unified Numbering System as UNS S41800 and of 140 000 psi and 152 000 psi tensile strengths at room temperature. Primarily for aerospace propulsion system applications where corrosion and moderate heat resistant is required.
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【英文标准名称】:Methodsoftestingplastics-Thermalproperties-Flammabilityofasmall,inclinedtestpieceexposedtoanalcoholflame(laboratorymethod)
【原文标准名称】:塑料试验方法.热性能.小型倾钭试片置于酒精火焰上的可燃性(实验室法)
【标准号】:BS2782-1Method140E-1982
【标准状态】:现行
【国别】:英国
【发布日期】:1982-05-31
【实施或试行日期】:1982-05-31
【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】:试验设备;塑料和橡胶技术;高聚物;乙醇;燃烧试验;试样制备;塑料;设计;尺寸;试样;易燃性
【英文主题词】:Design;Dimensions;Ethylalcohol;Firetests;Flammability;Plastics;Plasticsandrubbertechnology;Polymers;Specimenpreparation;Testequipment;Testspecimens
【摘要】:Thismethoddescribesaprocedurefordeterminingthedegreeofflammabilityofplasticsforproductioncontrolpurposes.Themethodissuitableforthosematerialsthatarelightandbulkyandwhichcanbetestedintheformofapanelnotexceeding50mminthickness.Itisnotsuitableformaterialsthatmeltratherthanchar.
【中国标准分类号】:G31
【国际标准分类号】:13_220_40;83_080_01
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforCaptureandContainmentPerformanceofCommercialKitchenExhaustVentilationSystems
【原文标准名称】:商用厨房排气通风系统的吸气和控制性能的标准试验方法
【标准号】:ASTMF1704-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:F26.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;通风系统;厨房工程;通风
【英文主题词】:captureandcontainment;commercialkitchenventilation;exhaustairflowrates;hoodperformance;testmethod
【摘要】:ThresholdofCaptureandContainment8212;Thistestmethoddescribesflowvisualizationtechniquesthatareusedtodeterminethethresholdofcaptureandcontainment(Cx0026;C)foridleandspecifiedheavycookingconditions.ThethresholdofCx0026;Ccanbeusedtoestimateminimumflowratesforhood/appliancesystems.ParametricStudies8212;Thistestmethodalsocanbeusedtoconductparametricstudiesofalternativeconfigurationsofhoods,appliances,andreplacementairsystems.Ingeneral,thesestudiesareconductedbyholdingconstantallconfigurationandoperationalvariablesexceptthevariableofinterest.Thistestmethod,therefore,canbeusedtoevaluatethefollowing:5.2.1Theoverallsystemperformancewithvariousappliances,whileholdingthehoodandreplacementairsystemcharacteristicsconstant.5.2.2Entirehoodsorcharacteristicsofasinglehood,suchasendpanels,canbevariedwithappliancesandreplacementairconstant.5.2.3Replacementaircharacteristics,suchasmake-upairlocation,direction,andvolume,canbevariedwithconstantapplianceandhoodvariables.1.1Characterizationofcaptureandcontainmentperformanceofhood,appliance(s),andreplacementairsystemduringcookingandnon-cookingconditions(idle):1.2Parametricevaluationofoperationalordesignvariationsinappliances,hoods,orreplacementairconfigurations.1.3Thetestmethodtodetermineheatgaintospacefromcommercialkitchenventilation/appliancesystemshasbeenre-designatedasTestMethodF2474.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y68
【国际标准分类号】:91_140_30;97_040_99
【页数】:10P.;A4
【正文语种】: