ASTM A780-2001(2006) 热浸镀锌层的损坏区域及无覆层区域的检修标准实施规程

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【英文标准名称】:StandardPracticeforRepairofDamagedandUncoatedAreasofHot-DipGalvanizedCoatings
【原文标准名称】:热浸镀锌层的损坏区域及无覆层区域的检修标准实施规程
【标准号】:ASTMA780-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:A05.13
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:覆层;钢;锌覆层;检修
【英文主题词】:coatings-zinc;galvanizedcoatingrepair;galvanizedcoatings;touch-up;zinccoatingrepair;zinccoatings
【摘要】:1.1Thispracticedescribesmethodsthatmaybeusedtorepairdamagedhot-dipgalvanizedcoatingsonhardware,structuralshapes,andotherproductsfabricatedpriortohot-dipgalvanizing,anduncoatedareasremainingafterinitialhot-dipgalvanizing.Thedamagemaybetheresultofweldingorcutting(flame),inwhichcasethecoatingwillbedamagedpredominantlybyburning.Thispracticecanalsobeusedtorepairhot-dipgalvanizedcoatingsdamagedbyexcessivelyroughhandlingduringshippingorerection.Requirementsconcerningtherenovationofuncoatedareasremainingafterinitialhot-dipgalvanizingarecontainedwithintheapplicablematerialspecification.1.2Thispracticedescribestheuseoflowmeltingpointzincalloyrepairrodsorpowdersmadespecificallyforthispurpose,theuseofpaintscontainingzincdust,andtheuseofsprayedzinc(metallizing).1.3Theextentofrepairshallbelimitedtoanareamutuallyagreeabletothecontractingparties.Similarly,contractingpartiesshallagreetotherepairmethodtobeused.Thisstandarddoesnotpurporttoaddressthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:3P.;A4
【正文语种】: