EN 10305-3-2002 精密装置钢管.交货技术条件.第3部分:焊接冷分级管

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【英文标准名称】:Steeltubesforprecisionapplications-Technicaldeliveryconditions-Part3:Weldedcoldsizedtubes;GermanversionEN10305-3:2002
【原文标准名称】:精密装置钢管.交货技术条件.第3部分:焊接冷分级管
【标准号】:EN10305-3-2002
【标准状态】:现行
【国别】:
【发布日期】:2003-02
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:有缝管;内部覆层;生产方法;技术装置;无缝的;钢管;精整;生产过程;定义;符号;管道;精密钢管;试验;包装件;机械性能;抽样方法;交货条件;尺寸;化学成分;管;规范(验收);作标记
【英文主题词】:Chemicalcomposition;Definition;Definitions;Deliveryconditions;Dimensions;Finishes;Innercoatings;Manufacturingprocess;Marking;Mechanicalproperties;Methodsofmanufacture;Packages;Pipelines;Pipes;Precisionsteeltubes;Samplingmethods;Seamedpipes;Seamless;Size-rolled;Specification(approval);Steelpipes;Steeltubes;Symbols;Technicalinstallations;Testing
【摘要】:
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:24P.;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforPerformingAcceleratedOutdoorWeatheringofNonmetallicMaterialsUsingConcentratedNaturalSunlight
【原文标准名称】:使用集中自然光对非金属材料进行加速室外候化的标准实施规程
【标准号】:ASTMG90-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:G03.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:durability;exposure;fresnel-reflector;weathering;Acceleratedaging/testing--buildingmaterials;Acceleratedweathering;Durability--paints/relatedmaterials;Exposuretests--atmospheric;Fresnel-reflectorsystem;Mirrors;Nonmetallicmaterials;Outdoo
【摘要】:Resultsobtainedfromthispracticecanbeusedtocomparetherelativedurabilityofmaterialssubjectedtothespecifictestcycleused.Noacceleratedexposuretestcanbespecifiedasatotalsimulationofnaturalorfieldexposures.Resultsobtainedfromthispracticecanbeconsideredasrepresentativeofnaturalorfieldexposuresonlywhenthedegreeofcomparativeperformancehasbeenestablishedforthespecificmaterialsbeingtested.TherelativedurabilityofmaterialsinnaturalorfieldexposurecanbeverydifferentdependingonthelocationoftheexposurebecauseofdifferencesinUVradiation,timeofwetness,temperature,pollutants,andotherfactors.Therefore,evenifresultsfromaspecificacceleratedtestconditionarefoundtobeusefulforcomparingtherelativedurabilityofmaterialsexposedinaparticularexteriorlocation,itcannotbeassumedthattheywillbeusefulfordeterminingrelativedurabilityforadifferentlocation.Theuseofasingleaccelerationfactorrelatingtherateofdegradationinthisacceleratedexposuretotherateofdegradationinaconventionalexteriorexposureisnotrecommendedbecausetheaccelerationfactorvarieswiththetypeandformulationofthematerial.Eachmaterialandformulationmayresponddifferentlytotheincreasedlevelofirradianceanddifferencesintemperatureandhumidity.Thusanaccelerationfactordeterminedforonematerialmaynotbeapplicabletoothermaterials.Becauseofvariabilityintestresultsunderbothacceleratedandconventionalexteriorexposuresresultsfromasufficientnumberoftestsmustbeobtainedtodetermineanaccelerationfactorforamaterial.Further,theaccelerationfactorisapplicabletoonlyoneexteriorexposurelocationbecauseresultsfromconventionalexteriorexposurescanvaryduetoseasonalorannualdifferencesinimportantclimaticfactors.Variationsinresultsmaybeexpectedwhenoperatingconditionsvarywithinthelimitsofthispractice.Forexample,therecanbelargedifferencesintheamountofdegradationinasinglematerialbetweenseparate,althoughsupposedlyidentical,exposurescarriedoutforthesamedurationornumberofexposurecycles.Thispracticeisbestusedtocomparetherelativeperformanceofmaterialstestedatthesametimeinthesamefresnelreflectordevice.Becauseofpossiblevariabilitybetweenthesametypeofexposuredeviceandvariabilityinirradiance,temperatureandmoisturelevelsatdifferenttimes,comparingtheamountofdegradationinmaterialsexposedforthesamedurationorradiantenergyatseparatetimesisnotrecommended.Thispracticeshouldnotbeusedtoestablishax201C;pass/failx201D;approvalofmaterialsafteraspecificperiodofexposureunlessperformancecomparisonsaremaderelativetoacontrolmaterialexposedsimultaneously,orthevariabilityinthetestisdefinedsothatstatisticallysignificantpass/failjudgementscanbemade.Itisstronglyrecommendedthatatleastonecontroltestspecimenbeexposedwitheachtest.ThecontroltestspecimenshouldmeettherequirementsofTerminologyG113,andbechosensothatitsfailuremodeisthesameasthatofthetestspecimen.Itispreferabletousetwocontroltestspecimens,onewithrelativelygooddurabilityandonewithrelativelypoordurability.Theuseofatleasttworeplicatesofeachcontroltestspecimenandeachmaterialbeingevaluatedisrecommended.ConsultGuideG169forperformingstatisticalanalysis.1.1Fresnel-reflectingconcentratorsusingthesunassourceareutilizedintheacceleratedoutdoorexposuretestingofnonmetallicmaterials.......
【中国标准分类号】:H25
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforSamplingofZincandZincAlloysforOpticalEmissionSpectrometricAnalysis
【原文标准名称】:光发射光谱测定分析用锌和锌合金取样的标准实施规程
【标准号】:ASTME634-2005
【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】:E01.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:合金;分析;发射分光光度测定法;精整;金属;工艺;抽样方法;光谱测定法;表面;锌;锌合金
【英文主题词】:opticalemission;sampling;spectrochemicalanalysis;zincandzincalloys
【摘要】:Thispractice,usedinconjunctionwithanappropriatequantitativeopticalemissionspectrochemicalmethod,issuitableforuseinmanufacturingcontrol,materialorproductacceptance,anddevelopmentandresearch.1.1Thispracticecoversthesamplingofzincandzincalloystoobtainasamplesuitableforquantitativeopticalemissionspectrochemicalanalysis.Includedareproceduresforobtainingrepresentativesamplesfrommoltenmetal,fromfabricatedorcastproductsthatcanbemelted,andfromotherformsthatcannotbemelted.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H13
【国际标准分类号】:77_120_60
【页数】:4P.;A4
【正文语种】: