BS 7371-7-1994 金属紧固件涂层.采用机械法施加锌涂层规范

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【英文标准名称】:Coatingsonmetalfasteners-Specificationformechanicallyappliedzinccoatings
【原文标准名称】:金属紧固件涂层.采用机械法施加锌涂层规范
【标准号】:BS7371-7-1994
【标准状态】:作废
【国别】:英国
【发布日期】:1994-03-15
【实施或试行日期】:1994-03-15
【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】:金属;名称与符号;耐腐蚀性;紧固件;厚度;金属覆层;铬酸盐;识别方法;覆层工艺;螺纹紧固件;尺寸;覆层;锌
【英文主题词】:Chromates;Coatingprocesses;Coatings;Corrosionresistance;Designations;Dimensions;Fasteners;Identificationmethods;Metalcoatings;Metals;Thickness;Threadedfasteners;Zinc
【摘要】:ThisPartofBS7371specifiesrequirementsforcoatingsappliedbymechanicallyimpactingzincpowderontothecomponentsurface.Thecoatingsconsistprincipallyofzincandcanbelubricatedtogivecontrolledtorque/clampingforcepropertieswhenrequired(seeforexampleBS7371:Part2:1993).InadditiontotherequirementsinthisPartofBS7371,therequirementsinPart1ofthestandardwhichareapplicabletomechanicallyappliedzinccoatingsapply.ThisPartofBS7371alsospecifiesrequirementsforthefollowing:a)thecoatingthickness;b)thetypeofchromateconversiontreatmenttobeapplied;c)qualityassessmentofthecorrosionresistanceofunusedcoatedpartswhensubjectedtoneutralsaltspraytesting(seeforexampleBS7479:1991);d)adhesiontest.Annexesincludetablesindicatingsuitablecoatinggradesforstandardscrewthreadsandmethodsofdeterminationofcoatingthickness.
【中国标准分类号】:A29;J13
【国际标准分类号】:21_060_01;25_220_40
【页数】:12P;A4
【正文语种】:英语