作者:标准资料网 时间:2024-05-13 19:23:47   浏览:8328   来源:标准资料网

【英文标准名称】:SpecificationforUNSN08367andUNSN08926WeldedPipe
【原文标准名称】:UNSN08367和UNSN08926焊接管规范
【标准号】:ANSI/ASTMB804-1996
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:镍合金;冶金;有缝管
【英文主题词】:seamedpipes;nickelalloys;metallurgy
【摘要】:ThisspecificationcoversUNSN08367andUNSN08926weldedpipeforgeneralcorrosionapplications.(Althoughnorestrictionsareplacedonthesizesofpipethatmaybefurnishedunderthisspecification,commercialpracticeiscommonlylimitedtosizesnotlessthan8in.nominaldiameter.)Sixclassesofpipearecoveredasfollows:Class1pipeshallbedoubleweldedbyprocessesemployingfillermetalinallpassesandshallbecompletelyradiographed.Class2pipeshallbedoubleweldedbyprocessesemployingfillermetalinallpasses.Noradiographyisrequired.Class3pipeshallbedoubleweldedbyprocessesemployingfillermetalinallpassesexcepttheinsiderootweldmaybemadewithouttheadditionoffillermetal.Weldsaretobecompletelyradiographed.Class4pipeshallbedoubleweldedbyprocessesemployingfillermetalinallpassesexcepttheinsiderootweldmaybemadewithouttheadditionoffillermetal.Noradiographyisrequired.Class5pipeshallbesingleweldedbyprocessesemployingfillermetalinallpassesexceptthatthepassexposedtotheinsidepipesurfacemaybemadewithouttheadditionoffillermetal.Weldsaretobecompletelyradiographed.Class6pipeshallbesingleweldedbyprocessesemployingfillermetalinallpassesexceptthatthepassexposedtotheinsidepipesurfacemaybemadewithouttheadditionoffillermetal.Noradiographyisrequired.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section12,ofthisstandard:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H62
【国际标准分类号】:77_150_40
【页数】:
【正文语种】:英语