BS 7371-4-1994 金属紧固件涂层.第4部分:电镀镍,镍/铬和铜/镍/铬涂层规范
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【英文标准名称】:Coatingsonmetalfasteners-Specificationforelectroplatednickel,nickel/chromiumandcopper/nickel/chromiumcoatings
【原文标准名称】:金属紧固件涂层.第4部分:电镀镍,镍/铬和铜/镍/铬涂层规范
【标准号】:BS7371-4-1994
【标准状态】:现行
【国别】:英国
【发布日期】:1994-06-15
【实施或试行日期】:1994-06-15
【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】:长度;平行螺纹;尺寸公差;厚度测量;镍;直径;厚度;螺纹紧固件;螺距;耐腐蚀性;防腐蚀;表面处理;金属涂层;电镀;涂层;金属;防护覆层;铬;紧固件;铜
【英文主题词】:length;parallelthreads;dimensionaltolerances;thicknessmeasurement;nickel;diameter;thickness;threadedfasteners;threadpitch;corrosionresistance;corrosionprotection;surfacetreatment;metalcoatings;electroplating;coatings;metals;protectivecoatings;chromium;fasteners;copper
【摘要】:ThisPartofBS7371specifiesrequirementsforcoatingsappliedbytheelectrolysisofsolutionsofcopper,nickelorchromium.Thecoatingsconsistprincipallyofcopper,nickelorchromiumandarenotusuallylubricated.NOTE1.Thecorrosionresistanceforhighergradecoatingscanbeimprovedbyusingtwolayer(duplex)nickelcoatingsorspecialtypesofchromiumdeposit.NOTE2.Thesurfacesmoothnessandbrightnessofthesubstratewillinfluencetheappearanceandcorrosionprotectionafterplating.InadditiontotherequirementsinthisPartofBS7371,therequirementsinPart1ofthestandardwhichareapplicabletocopper,nickelandchromiumelectroplatedcoatingsapply.ThisPartofBS7371alsospecifiesrequirementsforthefollowing:a)thecoatingthicknessofcomponentmetalsinthecoating;b)thetypeandthicknessofchromiumcoatingtobeapplied,ifrequired;c)qualityassessmentofthecorrosionresistanceofunusedcoatedpartswhensubjectedtoneutralsaltspraytestingorcopperaceticsaltspraytesting(seeforexampleBS7479:1991);d)adhesiontest.Annexesincludetablesindicatingsuitablecoatinggradesforstandardscrewthreadsandmethodsofdeterminationofcoatingthickness.
【中国标准分类号】:A29
【国际标准分类号】:21_060_01;25_220_40
【页数】:16P.;A4
【正文语种】:英语
【原文标准名称】:金属紧固件涂层.第4部分:电镀镍,镍/铬和铜/镍/铬涂层规范
【标准号】:BS7371-4-1994
【标准状态】:现行
【国别】:英国
【发布日期】:1994-06-15
【实施或试行日期】:1994-06-15
【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】:长度;平行螺纹;尺寸公差;厚度测量;镍;直径;厚度;螺纹紧固件;螺距;耐腐蚀性;防腐蚀;表面处理;金属涂层;电镀;涂层;金属;防护覆层;铬;紧固件;铜
【英文主题词】:length;parallelthreads;dimensionaltolerances;thicknessmeasurement;nickel;diameter;thickness;threadedfasteners;threadpitch;corrosionresistance;corrosionprotection;surfacetreatment;metalcoatings;electroplating;coatings;metals;protectivecoatings;chromium;fasteners;copper
【摘要】:ThisPartofBS7371specifiesrequirementsforcoatingsappliedbytheelectrolysisofsolutionsofcopper,nickelorchromium.Thecoatingsconsistprincipallyofcopper,nickelorchromiumandarenotusuallylubricated.NOTE1.Thecorrosionresistanceforhighergradecoatingscanbeimprovedbyusingtwolayer(duplex)nickelcoatingsorspecialtypesofchromiumdeposit.NOTE2.Thesurfacesmoothnessandbrightnessofthesubstratewillinfluencetheappearanceandcorrosionprotectionafterplating.InadditiontotherequirementsinthisPartofBS7371,therequirementsinPart1ofthestandardwhichareapplicabletocopper,nickelandchromiumelectroplatedcoatingsapply.ThisPartofBS7371alsospecifiesrequirementsforthefollowing:a)thecoatingthicknessofcomponentmetalsinthecoating;b)thetypeandthicknessofchromiumcoatingtobeapplied,ifrequired;c)qualityassessmentofthecorrosionresistanceofunusedcoatedpartswhensubjectedtoneutralsaltspraytestingorcopperaceticsaltspraytesting(seeforexampleBS7479:1991);d)adhesiontest.Annexesincludetablesindicatingsuitablecoatinggradesforstandardscrewthreadsandmethodsofdeterminationofcoatingthickness.
【中国标准分类号】:A29
【国际标准分类号】:21_060_01;25_220_40
【页数】:16P.;A4
【正文语种】:英语
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