ASME B18.2.3.9M-2001 米制大型六角头法兰螺钉
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【英文标准名称】:MetricHeavyHexFlangeScrewsSupersedesIFI538:1982
【原文标准名称】:米制大型六角头法兰螺钉
【标准号】:ASMEB18.2.3.9M-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001-09-17
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:公差(测量);六角头螺钉;螺钉;法兰螺钉;尺寸;锁定装置及定位装置;米制的;机械性能
【英文主题词】:Dimensions;Flangescrew;Hexagonheadscrews;Lockingandlocatingdevices;Mechanicalproperties;Metric;Screws(bolts);Tolerances(measurement)
【摘要】:ThisStandardcoversthecompletedimensionalandgeneraldataformetricseriesheavyhexflangescrewsrecognizedasAmericanNationalStandard.TheinclusionofdimensionaldatainthisStandardisnotintendedtoimplythatallproductsdescribedarestockproductionitems.Consumersshouldconsultwithsuppliersconcerningavailabilityofproducts.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:24P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasuringtheResiliencyofTurfReinforcementMats(TRMs)
【原文标准名称】:泥碳钢筋网弹力测量的标准试验方法
【标准号】:ASTMD6524-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D35.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:厚度;复原;弹力;TRM;泥碳钢筋网
【英文主题词】:recovery;resiliency;thickness;turfreinforcementmat,TRM
【摘要】:ResiliencymaybeusedtocontrolthequalityofmanyTRMs.ResiliencymaybeindicativeofaTRMrsquo;abilitytoretainoriginalconfigurationafterexposuretothestresseswhichmaybeexertedduringmanufacture,shipping,andinstallation.Resiliencyisnotgenerallyindicativeoffieldperformance.TheresiliencyofTRMsmayvaryconsiderablydependingonthepressureappliedtothespecimenduringloadingcycles.Tominimizevariation,specificsamplesizeandappliedpressureareindicatedinthistestmethodtoensureallresultsarecomparable.TodeterminetheeffectofdifferentpressureloadingsonthefinalthicknessofTRMs,usethistestmethod.ThistestmethodmaybeusedforacceptancetestingofcommercialshipmentsofTRMs,butcautionisadvisedsinceinformationonbetween-laboratoryprecisionisincomplete.Comparativetests,inaccordancewith5.4.1maybeadvisable.5.4.1Inacaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatareformedfromalotofmaterialofthetypeinquestion.Thetestspecimensshouldberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudentrsquo;t-testforunpaireddateandanacceptableprobabilitylevelchosenbythetwobegun.Ifbiasisfound,eitheritscausemustcorrected,orthepurchaserandbefoundandinterpretfuturetestsinsuppliermustagreetothelightoftheknownbias.Note18212;Theusershouldbeawarethatthecompressibilityofthematerials,theirreboundcharacteristics,andthelikewillalsobeaffectedbythethicknessoftheTRMsfollowingthetimewhentheyarerolleduponrollsshippedandstored.1.1Thistestmethodcoverstheresiliencyorrecoveryofturfreinforcementmats(TRMs)aftertheyhavebeensubjectedtothreecyclesofloadingat689kPa(100psi)for1min/percycle.1.2ThistestmethoddoesnotprovideresiliencyvaluesforTRMsundervariablenormalcompressivestresses.Thistestmethoddeterminesnominalresiliency.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P57
【国际标准分类号】:65_020_20
【页数】:3P.;A4
【正文语种】:
基本信息
标准名称: | 化学镀镍溶液分析方法 EDTA容量法测定硫酸镍(或氯化镍)的含量 |
中标分类: |
综合 >>
基础标准 >>
材料防护 |
ICS分类: |
机械制造 >>
表面处理和涂覆 >>
金属镀层
|
替代情况: | HB/Z 5090-1978(一) |
发布日期: | 2001-11-15 |
实施日期: | 2002-02-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 2页 |
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所属分类: 综合 基础标准 材料防护 机械制造 表面处理和涂覆 金属镀层