ASTM D7376-2010a 镀层金属盘材的潮湿堆放储存条件的室外评估的标准实施规程
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【英文标准名称】:StandardPracticeforOutdoorEvaluationofWetStackStorageConditionsonCoil-CoatedMetals
【原文标准名称】:镀层金属盘材的潮湿堆放储存条件的室外评估的标准实施规程
【标准号】:ASTMD7376-2010a
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D01.53
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:blistering;coil-coated;corrosion;wetstack;Metals--coil-coated;Outdoorevaluation;Storagecontainers/tanks;Wetstack
【摘要】:Thispracticeprovidesforperiodictestingforresistancetowetconditionsduringstoragetocomparetherelativeperformanceofspecificcombinationsofcoatings,substrates,and/orpretreatmentsusedoncoil-coatedmetal.Theresultsmustbeconsideredrelativeanddonotindicateabsoluteperformance.Whenstoredimproperly,coil-coatedbuildingpanelstackscanbeexposedtorainwater,whichflowsintogapsbetweenpanelsbycapillaryactionorgravity,andremainsinthegapsbecauseofpoordrainageconditions.Suchaconditionisknownasax201C;wetstackx201D;andmaycauseblisteringandcorrosionofthepaintedsurfaces.Thispracticesimulatessuchimproperstorageconditions.Becausetheoutdoorenvironmentshowsyear-to-yearseasonalandgeographicclimatevariation,theabsoluteamountofdegradationbasedoncorrosionandblisteringmayvary(seeAppendixX1).Temperature,rain,humidity,andstoragepracticesareimportantfactorsinwetstackcorrosion.Corrosionandblisteringwillacceleratewithincreasedtemperature.Thepreferredtestlocationissouthof27x00B0;NlatitudeinFlorida.Otherlocationsmaybeused,butdifferencesintemperatureandmoisturemustbeconsidered,andtheamountofcorrosionandblisteringareexpectedtovaryconsiderablywithclimate.TestsitesmusthavetheinstrumentationtomeasureandrecordambienttemperatureandrainfallasinPracticeG7.Thispracticeisnotmeanttosupportthefieldstorageofcoil-coatedmetalinanywayotherthanwhatisrecommendedbythemanufacturer.1.1Thispracticeisusedtodeterminetheresistancetocorrosionandblisteringofcoil-coatedmetalproductsrelativetooneanotherwhenstackedoutdoorsunderdirectweatheringconditionsinwhichtheyarewettedbyrainanddew.1.2Thecoil-coatedproductvariablesevaluatedmayinclude,butarenotlimitedto,substrates,pretreatments,primers,topcoats,andbackers.1.3Thistestsimulatesastackedbuildingpanelbundlestoredatajobsiteinwetoutdoorconditions.Theresultsfrompanelstestedduringthesametimeperiodatthesamephysicallocationmaybeusedtocompareproductsasanindicatorofrelativefieldperformance.Environmentswithhighertemperatureandmoisturelevelsacceleratecorrosionandblistering.1.4Thisstandarddoesnotendorsethestorageoflevel(thatis,0x00B0;fromhorizontal)buildingpanelsstacksinwetoutdoorconditions.Levelstorageofbuildingpanelsisnotrecommendedandisusedinthisstandardforevaluationonly.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:3P.;A4
【正文语种】:英语
【原文标准名称】:镀层金属盘材的潮湿堆放储存条件的室外评估的标准实施规程
【标准号】:ASTMD7376-2010a
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D01.53
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:blistering;coil-coated;corrosion;wetstack;Metals--coil-coated;Outdoorevaluation;Storagecontainers/tanks;Wetstack
【摘要】:Thispracticeprovidesforperiodictestingforresistancetowetconditionsduringstoragetocomparetherelativeperformanceofspecificcombinationsofcoatings,substrates,and/orpretreatmentsusedoncoil-coatedmetal.Theresultsmustbeconsideredrelativeanddonotindicateabsoluteperformance.Whenstoredimproperly,coil-coatedbuildingpanelstackscanbeexposedtorainwater,whichflowsintogapsbetweenpanelsbycapillaryactionorgravity,andremainsinthegapsbecauseofpoordrainageconditions.Suchaconditionisknownasax201C;wetstackx201D;andmaycauseblisteringandcorrosionofthepaintedsurfaces.Thispracticesimulatessuchimproperstorageconditions.Becausetheoutdoorenvironmentshowsyear-to-yearseasonalandgeographicclimatevariation,theabsoluteamountofdegradationbasedoncorrosionandblisteringmayvary(seeAppendixX1).Temperature,rain,humidity,andstoragepracticesareimportantfactorsinwetstackcorrosion.Corrosionandblisteringwillacceleratewithincreasedtemperature.Thepreferredtestlocationissouthof27x00B0;NlatitudeinFlorida.Otherlocationsmaybeused,butdifferencesintemperatureandmoisturemustbeconsidered,andtheamountofcorrosionandblisteringareexpectedtovaryconsiderablywithclimate.TestsitesmusthavetheinstrumentationtomeasureandrecordambienttemperatureandrainfallasinPracticeG7.Thispracticeisnotmeanttosupportthefieldstorageofcoil-coatedmetalinanywayotherthanwhatisrecommendedbythemanufacturer.1.1Thispracticeisusedtodeterminetheresistancetocorrosionandblisteringofcoil-coatedmetalproductsrelativetooneanotherwhenstackedoutdoorsunderdirectweatheringconditionsinwhichtheyarewettedbyrainanddew.1.2Thecoil-coatedproductvariablesevaluatedmayinclude,butarenotlimitedto,substrates,pretreatments,primers,topcoats,andbackers.1.3Thistestsimulatesastackedbuildingpanelbundlestoredatajobsiteinwetoutdoorconditions.Theresultsfrompanelstestedduringthesametimeperiodatthesamephysicallocationmaybeusedtocompareproductsasanindicatorofrelativefieldperformance.Environmentswithhighertemperatureandmoisturelevelsacceleratecorrosionandblistering.1.4Thisstandarddoesnotendorsethestorageoflevel(thatis,0x00B0;fromhorizontal)buildingpanelsstacksinwetoutdoorconditions.Levelstorageofbuildingpanelsisnotrecommendedandisusedinthisstandardforevaluationonly.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:3P.;A4
【正文语种】:英语
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