您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM B749-2003(2009) 铅和铅合金带材、薄板材和板材产品的标准规范

作者:标准资料网 时间:2024-05-17 15:59:56  浏览:9054   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforLeadandLeadAlloyStrip,Sheet,andPlateProducts
【原文标准名称】:铅和铅合金带材、薄板材和板材产品的标准规范
【标准号】:ASTMB749-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:B02.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:leadplate;leadsheet;leadstrip;wroughtlead;Attenuation;Chemicalplants;Dampening;Flashing;Industrialmetals/alloys--specifications;Leadmetals/alloys--specifications;Radiationshielding;Roofingmembranes--specifications;Soundattenuation;T
【摘要】:1.1Thisspecificationcoversleadsheet,strip,andplateofvariousalloysintendedforuseinchemicalplants,soundattenuation,roofing,vibrationdampening,flashingandweatherstripping,waterproofing,andradiationshielding.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H62
【国际标准分类号】:77_150_60
【页数】:4P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforThermalEnduranceofFlexibleElectricalInsulatingVarnishes
【原文标准名称】:柔性电绝缘漆耐热性的标准试验方法
【标准号】:ASTMD1932-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D09.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dielectricstrength;glassfiberfabric;thermalendurance;varnish;Dielectricbreakdownvoltage;Electricalinsulatingvarnishes;Thermalendurance--electricalinsulatingmaterials
【摘要】:Amajorfactoraffectingthelongtermperformanceofinsulatingmaterialsisthermaldegradation.Otherfactors,suchasmoistureandvibration,maycausefailuresafterthematerialhasbeenweakenedbythermaldegradation.Anelectricalinsulatingvarnishiseffectiveinprotectingelectricalequipmentonlyaslongasitretainsitsphysicalandelectricalintegrity.Thethermaldegradationofthevarnishresultsinweightloss,porosity,crazing,andgenerallyareductioninflexibility.Degradationofthevarnishcanbedetectedbyadecreaseindielectricstrength,whichisthereforeusedasthefailurecriterionforthistestmethod.Electricalinsulatingvarnishesundergoflexinginserviceduetovibrationandthermalexpansion.Forthisreason,thisfunctionaltestincludesflexingandelongationoftheinsulation.Theelectrodesusedinthistestmethodaredesignedtoelongatetheoutersurfaceofthespecimen2%withrespecttotheneutralaxisofthebasefiberwhilebeingtestedfordielectricbreakdown.1.1Thistestmethodcoversthedeterminationoftherelativethermalenduranceofflexibleelectricalinsulatingvarnishesbydeterminingthetimenecessaryatelevatedtemperaturestodecreasethedielectricbreakdownofthevarnishtoanarbitrarilyselectedvaluewhenappliedtoastandardglassfiberfabric.1.2Thistestmethoddoesnotapplytovarnishesthatloseahighpercentageoftheirdielectricbreakdownvoltagewhenflexedbeforeelevatedtemperatureexposureasprescribedinthescreeningtest(Section9).Examplesofsuchvarnishesarethoseusedforhighspeedarmaturesandlaminatedstructures.Also,thistestmethodisnotapplicabletovarnisheswhichdistortsufficientlyduringthermalelevatedtemperatureexposuresothattheycannotbetestedusingthecurvedelectrodeassembly.1.3Thermalenduranceisexpressedintermsofatemperatureindex.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Note18212;ThereisnoequivalentIECorISOstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:K15
【国际标准分类号】:29_035_60
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:Germanstandardmethodsfortheexaminationofwater,wastewaterandsludge;gaseouscomponents(groupG);determinationoffreechlorineandtotalchlorine(G4)
【原文标准名称】:德国对水.废水和淤泥的统一检验法.气态组份(G组).游离氯和总氯的测定
【标准号】:DIN38408-4-1984
【标准状态】:作废
【国别】:德国
【发布日期】:1984-06
【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】:含量测定;测量;定义;水;分析;水质试验;水质分析;氯;试验;化学分析和试验;标准方法
【英文主题词】:
【摘要】:
【中国标准分类号】:Z23;P41
【国际标准分类号】:13_060_40
【页数】:15P;A4
【正文语种】:德语