GB/T 13808-1992 铜及铜合金挤制棒
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来源:标准资料网
基本信息
| 标准名称： | 铜及铜合金挤制棒 |
| 英文名称： | Wrought copper and copper alloys－Extruded rods and bars |
| 中标分类： |
冶金 >>
有色金属及其合金产品 >>
重金属及其合金 |
| ICS分类： |
冶金 >>
有色金属 >>
铜和铜合金
|
| 替代情况： | 代替GB 4423-1984 |
| 发布部门： | 国家技术监督局 |
| 发布日期： | 1992-01-01 |
| 实施日期： | 1993-06-01 |
| 首发日期： | 1992-11-05 |
| 作废日期： | 2008-05-01 |
| 主管部门： | 中国有色金属工业协会 |
| 归口单位： | 全国有色金属标准化技术委员会 |
| 起草单位： | 洛阳铜加工厂 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 1900-01-01 |
| 页数： | 平装16开， 页数：11， 字数：18千字 |
适用范围
本标准规定了铜及铜合金挤制棒的分类、技术要求、试验方法、检验规则及标志、包装、运输和贮存。本标准适用于圆形、方形和六角形铜及铜合金挤制棒。
前言
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引用标准
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所属分类： 冶金 有色金属及其合金产品 重金属及其合金 冶金 有色金属 铜和铜合金
Product Code:SAE AS9534
Title:Bolt, Machine - Steel AMS 6322, Cadmium Plate, Drilled, 1 Hole, Hexagon Head, .500-20 UNJF-3A
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.【英文标准名称】:StandardTestMethodsforMeasurementofSyntheticPolymerMaterialFlammabilityUsingaFirePropagationApparatus(FPA)
【原文标准名称】:用火焰蔓延仪(FPA)测量合成聚合物材料易燃性的标准试验方法
【标准号】:ASTME2058-2006
【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】:E05.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:仪器;特性;燃烧;有效的;火灾;火焰蔓延;防火安全;燃烧试验;易燃性;燃烧热;聚合材料;蔓延;安全;纺织纤维;向上
【英文主题词】:effectiveheatofcombustion;firepropagationapparatus;flammabilitycharacteristics;upwardfirepropagation
【摘要】:Thesetestmethodsareanintegralpartofexistingteststandardsforcablefirepropagationandcleanroommaterialflammability,aswellas,inanapprovalstandardforconveyorbelting(1-3).3Refs(1-3)usethesetestmethodsbecausefire-test-responseresultsobtainedfromthetestmethodscorrelatewithfirebehaviorduringreal-scalefirepropagationtests,asdiscussedinX1.4TheIgnition,Combustion,orFirePropagationtestmethod,oracombinationthereof,havebeenperformedwithmaterialsandproductscontainingawiderangeofpolymercompositionsandstructures,asdescribedinX1.7.TheFirePropagationtestmethodisdifferentfromthetestmethodsintheASTMstandardslistedin2.1byvirtueofproducinglaboratorymeasurementsofthechemicalheatreleaserateduringupwardfirepropagationandburningonaverticaltestspecimeninnormalair,oxygen-enrichedair,orinoxygen-vitiatedair.Testmethodsfromotherstandards,forexample,TestMethodE1321,whichyieldsmeasurementsduringlateral/horizontalordownwardflamespreadonmaterialsandTestMethodsE906,E1354,andE1623,whichyieldmeasurementsoftherateofheatreleasefrommaterialsfullyinvolvedinflamingcombustion,generallyuseanexternalradiantflux,ratherthantheflamesfromtheburningmaterialitself,tocharacterizefirebehavior.Thesetestmethodsarenotintendedtoberoutinequalitycontroltests.Theyareintendedforevaluationofspecificflammabilitycharacteristicsofmaterials.Materialstobeanalyzedconsistofspecimensfromanend-useproductorthevariouscomponentsusedintheend-useproduct.Resultsfromthelaboratoryproceduresprovideinputtofirepropagationandfiregrowthmodels,riskanalysisstudies,buildingandproductdesigns,andmaterialsresearchanddevelopment.1.1Thisfire-test-responsestandarddeterminesandquantifiessyntheticpolymermaterialflammabilitycharacteristics,relatedtothepropensityofmaterialstosupportfirepropagation,bymeansofafirepropagationapparatus(FPA).Materialflammabilitycharacteristicsthatarequantifiedincludetimetoignition(tign),chemical(Qchem),andconvective(Qc)heatreleaserates,masslossrate(m)andeffectiveheatofcombustion(EHC).1.2Thefollowingtestmethods,capableofbeingperformedseparatelyandindependently,areincludedherein:1.2.1IgnitionTesttodeterminetignforahorizontalspecimen;1.2.2CombustionTesttodetermineQchem,Qc,m,andEHCfromburningofahorizontalspecimen;and,1.2.3FirePropagationTesttodetermineQchemfromburningofaverticalspecimen.1.3DistinguishingfeaturesoftheFPAincludetungsten-quartzexternal,isolatedheaterstoprovidearadiantfluxofupto65kW/m2tothetestspecimen,whichremainsconstantwhetherthesurfaceregressesorexpands;provisionforcombustionorupwardfirepropagationinprescribedflowsofnormalair,airenrichedwithupto40%oxygen,airoxygenvitiated,purenitrogenormixturesofgaseoussuppressionagentswiththeprecedingairmixtures;and,thecapabilityofmeasuringheatreleaseratesandexhaustproductflowsgeneratedduringupwardfirepropagationonaverticaltestspecimen0.305mhigh.1.4TheFPAisusedtoevaluatetheflammabilityofsyntheticpolymermaterialsandproducts.Itisalsodesignedtoobtainthetransientresponseofsuchmateri......
【中国标准分类号】:G31;C80
【国际标准分类号】:13_220_40;59_060_20;13_220_40;59_060_20
【页数】:31P.;A4
【正文语种】:
