您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM B926-2009 用灯标表测定铝及铝合金平箔中气泡的标准方法

作者:标准资料网 时间:2024-05-24 15:25:03  浏览:9650   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardMethodforPinholeDeterminationinAluminumandAluminumAlloyPlainFoilbyMeansofaLightTable
【原文标准名称】:用灯标表测定铝及铝合金平箔中气泡的标准方法
【标准号】:ASTMB926-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:B07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Aluminumalloys--specifications;Aluminumfoil;Lighttabletest;Pinholetest
【摘要】:Foilinthicknessofabout0.002in.(0.05mm)andheavierisvirtuallyfreeofpinholes.Withdecreaseinthickness,thenumberofpinholesmayincrease.Thismethodisprovidedtodevelopandmaintainuniformityinthemethodsofevaluatingpinholesinaluminumfoil.Thepinholedataprovidesassessmentsofprocesscapabilityandqualitylevelsofthefoilaswell.1.1Thismethodcoverstheidentificationandcountingofpinholes,includingrollholes,inplainfoilusingalighttable,andinspectorwithnormal20/20orcorrected20/20vision,andadarkenedinspectionarea.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thismethodmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H12
【国际标准分类号】:77_120_10
【页数】:2P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Guidefortheprocurementofpowerstationequipment-Turbineauxiliaries-Deaerators
【原文标准名称】:发电站设备采购指南.涡轮机辅助设备.空气分离器
【标准号】:BSEN45510-6-1-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【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】:发电站;安全措施;采购;技术写作;投标;组装;技术文献;验证;蒸汽冷凝器;涡轮机部件;定货;设计;维修;涡轮机;性能;规范;消费者与供货者的关系;选择;寿命;质量保证
【英文主题词】:Deaerator;Definitions;Deliveryconditions;Design;Documentations;Efficiency;Electricpowerstations;Equipment;Evaluations;Guidebooks;Guidelines;Interfaces(dataprocessing);Maintenance;Manufacturing;Operatingconditions;Performanceinservice;Procurements;Qualityassurance;Qualityrequirements;Specification(approval);Specifications;Stress;Supplyschedule;Supplying;Turbineauxiliaries
【摘要】:Thisstandardgivesguidanceonwritingthetechnicalspecificationfortheprocurementofdeaeratorsassociatedwithsteamgeneratingplantandsteamturbineplantforuseinelectricitygeneratingstations(powerstations).ThisGuideforprocurementisnotapplicabletoequipmentforuseinthenuclearreactorplantareaofnuclearpowerstations.OtherpossibleapplicationsofsuchequipmenthavenotbeenconsideredinthepreparationofthisGuide.ThisGuidecoversalltypesofdeaeratorsinstalledinpowerplantswhosefunctionistoacceptcondensatefromtheLP(lowpressure)feedtrain,toheatanddeaeratethewatertoaspecifiedlevelandthensupplyitasfeedtothefeedpumps.Thefeedwaterstoragetankprovidesareservoirofdeaeratedfeedwatertosatisfysystemtransientandfeedpumpsuctionrequirements.ItalsoactsasareceivingvesselforHP(highpressure)heaterdrainsandfeedpumprecirculationflows.Thetermdeaeratorinthiscontextistakentoincludethedeaeratingtowerordome,thefeedwaterstoragetankandassociatedplant.TheequipmentcoveredbythisGuideisdefinedbyitsfunctionratherthandesigntype.Therefore,theguidancetothespecificationisstatedinperformancetermsratherthanbeingspecifiedbyadetaileddescriptionoftheequipmenttobesupplied.ThisGuideindicatestopotentialpurchasershowtheirspecificationshouldbepreparedsothat:-theequipmenttypeandcapacityinterfacescorrectlywithotherelementsofthesystems;-predictedperformanceisachieved;-ancillaryequipmentisproperlysized;-reliability,availabilityandsafetyrequirementsareachieved;-properconsiderationisgiventotheevaluationprocessandthequalitymeasurestobeapplied.ThisGuidedoesnotdeterminethetypeofspecification(e.g.detailed,performance,functional)ortheextentofsupplyforanygivencontractwhichisnormallydecidedonthebasisofthepurchaser'sprojectstrategy.Itdoesnotcover:-anycommercial,contractualorlegalissueswhicharenormallyinseparatepartsofanenquiry;-anyallocationofresponsibilitieswhicharedeterminedbythecontract.ThisGuidedoesnotprescribethearrangementofthedocumentsintheenquiry.NOTEAsacomprehensiveEuropeanenvironmentalpolicyisstillunderpreparation,thisGuidedoesnotaddresstheenvironmentalimplicationsoftheequipment.
【中国标准分类号】:F20
【国际标准分类号】:27_040;27_100
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:Combinationwrencheswithequalopenings;testtorqueseriesAandC
【原文标准名称】:开口相同的组合扳手.A和C系列的检验扭矩
【标准号】:DIN3113-1984
【标准状态】:作废
【国别】:德国
【发布日期】:1984-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:环形扳手;曲柄的;浅;手工工具;尺寸;钥匙;长度;深;直的;螺母扳手;试验条件;旋具和螺母扳手;扭矩;架设(施工作业);双头环形扳手;扳手;额定值;工具;开口扳手;双头螺母板手;作标记;双;头的高度
【英文主题词】:
【摘要】:
【中国标准分类号】:J47
【国际标准分类号】:25_140_30
【页数】:2P;A4
【正文语种】:德语