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ASTM F1941M-2007 螺纹紧固件电镀层的标准规范(米制)

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【英文标准名称】:StandardSpecificationforElectrodepositedCoatingsonThreadedFasteners[Metric]
【原文标准名称】:螺纹紧固件电镀层的标准规范(米制)
【标准号】:ASTMF1941M-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F16.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:覆层;电解镀层;紧固件;表面处理;螺纹零件
【英文主题词】:chromatefinish;electrodepositedcoating;fasteners;hydrogenembrittlementrelief;hydrogenembrittlementtesting;surfacetreatment;Electrodepositedcoatings;Screwthread;Threadedfasteners;Unifiedinchscrewthreads(UN/UNR)
【摘要】:1.1Thisspecificationcoversapplication,performanceanddimensionalrequirementsforelectrodepositedcoatingsonthreadedfastenerswithmetricscrewthreads.Itspecifiescoatingthickness,supplementaryhexavalentchromateortrivalentchromitefinishes,corrosionresistance,precautionsformanagingtheriskofhydrogenembrittlementandhydrogenembrittlementreliefforhigh-strengthandsurface-hardenedfasteners.Italsohighlightsthedifferencesbetweenbarrelandrackplatingandmakesrecommendationsastotheapplicabilityofeachprocess.1.2Thefollowingprecautionarystatementpertainstothetestmethodportiononly,Section9,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J13;A29
【国际标准分类号】:25_220_40
【页数】:12P.;A4
【正文语种】:


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【英文标准名称】:Opticalfibres-Part1-31:Measurementmethodsandtestprocedures;Tensilestrength(IEC60793-1-31:2001);GermanversionEN60793-1-31:2002
【原文标准名称】:光纤.第1-31部分:测量方法和试验程序.抗张强度(IEC60793-1-31:2001);德文版本EN60793-1-31:2002
【标准号】:DINEN60793-1-31-2002
【标准状态】:作废
【国别】:德国
【发布日期】:2002-10
【实施或试行日期】:2002-10-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数学计算;玻璃纤维电缆;抗拉强度;规范(验收);测量技术;特性;尺寸;总规范;光波导;光学测量;规范;电气工程;光纤;抗拉试验;试验设备;试验;电缆;导电体
【英文主题词】:Dimensions;Electriccables;Electricconductors;Electricalengineering;Fibreoptics;Genericspecification;Glassfibrecables;Mathematicalcalculations;Measuringtechniques;Opticalmeasurement;Opticalwaveguides;Properties;Specification;Specification(approval);Tensilestrength;Tensiletesting;Tensiletests;Testequipment;Testing
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:8P.;A4
【正文语种】:德语


【英文标准名称】:StandardClassificationSystemforPoly(MethylMethacrylate)(PMMA)MoldingandExtrusionCompounds
【原文标准名称】:聚甲基丙烯酸酯(PMMA)模制和挤压化合物的标准分类系统
【标准号】:ASTMD788-2006
【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】:D20.15
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:丙烯酸酯;化合物;挤压;异丁烯酸酯;模制材料;塑料
【英文主题词】:acrylic;acrylicplastic;acrylicresins;clearweatherableplastics;linecallout;plastic;plasticmaterials;PMMA;poly(methylmethacrylate);recycled;transparentplastics
【摘要】:1.1ThepurposeofthisclassificationsystemistoprovideamethodofadequatelyidentifyingPMMAmaterialsusingasystemconsistentwiththatofClassificationSystemD4000.Itfurtherprovidesameansforspecifyingthesematerialsbytheuseofasimplelinecalloutdesignation.1.2Thisclassificationsystemcoverspoly(methylmethacrylate)moldingandextrusioncompounds.Thesecompoundsarepolymersbasedonmethylmethacrylate,andatleast70%ofthepolymershallbepolymerizedfrommethylmethacrylate.1.3Thepropertiesinthisclassificationsystemarethoserequiredtoidentifythecompositionscovered.Theremaybeotherrequirementsnecessarytoidentifyparticularcharacteristicsimportanttospecificapplications.TheseshallbedescribedbyusingthesuffixesasgiveninSection5.1.4Acrylicmoldingandextrusioncompoundsareusedfrequentlyinapplicationswhereextremeclarityandtheabilitytoretainthatclarityandcolorundersevereweatheringandotherenvironmentalexposuresareofprimarysignificance.Whilethetestspecimenpropertiesofthisdocumentmaybeusedtoevaluatenonvirginmaterials,theusershouldtakeprecautionstoensurethatpartsmadefromthesematerialsmeetthedesiredend-userequirements.Accordingly,thisspecificationallowsfortheuseofthoseacrylicplasticmaterialsthatcanberecycled,reconstituted,andregroundedprovidedthefollowing:1.4.1Therequirementsasstatedinthisspecificationaremet,1.4.2Thematerialhasnotbeenmodifiedinanywaytoalteritsconformancetofoodcontactregulationsorsimilarrequirements,and1.4.3Therequirementsoftheparticularend-useapplicationaremet.1.5Thisclassificationsystemandsubsequentlinecallout(specification)arenotintendedfortheselectionofmaterials,butonlyasameanstocalloutplasticmaterialstobeusedforthemanufactureofparts.Theselectionofthesematerialsistobemadebypersonnelwithexpertiseintheplasticsfieldinwhichtheenvironment,inherentpropertiesofthematerials,performanceoftheparts,partdesign,manufacturingprocess,andeconomicsareconsidered.Note1-ThisclassificationsystemissimilartoISO8257-1:1987intitleonly.Thetechnicalcontentissignificantlydifferent.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_140_99
【页数】:6P.;A4
【正文语种】: