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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】: