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【英文标准名称】:StandardTestMethodforCoatingWeight(Mass)ofMetallicCoatingsonSteelbyX-RayFluorescence
【原文标准名称】:X射线荧光涂层厚度的标准试验方法
【标准号】:ASTMA754/A754M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:A05.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aluminumzinc-coating;coating;coatingweight(mass);coatings-metallic;metalliccoated;sheet;steelsheet;tinmillproducts;X-rayfluorescence;zinccoating;zinc-5%aluminumcoating;Aluminumcoatings;Coatingweight;Electrodepositedco
【摘要】:1.1ThistestmethodcoverstheuseofX-rayfluorescence(XRF)fordeterminingthecoatingweight(mass)ofmetalliccoatingsonsteelsheet.Thetestmethodisintendedtobeusedforx201C;on-linex201D;measurementsofcoatingoncontinuousproductionlines.1.2ThistestmethodisapplicabletothecoatingscoveredbythefollowingASTMspecifications:A599/A599M,A623,A623M,A653/A653M,A792/A792M,A875/A875M,A879/A879M,A918,andA924/A924M.Itmaybeapplicabletoothercoatings,providingthattheelementalnatureofthecoatingandsubstratearecompatiblewiththetechnicalaspectsofXRFsuchastheabsorptioncoefficientofthesystem,primaryradiation,fluorescentradiation,typeofdetection.1.3Thistestmethodincludestheprocedurefordevelopingasinglestandarddeterminationofcoatingweight(mass).1.4ThistestmethodincludesproceduresforbothX-raytubeandisotopecoatingweight(mass)measuringinstruments.1.5Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:17_040_20
【页数】:8P.;A4
【正文语种】:英语