【英文标准名称】:StandardSpecificationforStaticallyCastChilledWhiteIron-GrayIronDualMetalRollsforPressureVesselUse
【原文标准名称】:压力容器用静态铸造的激冷白口铁-灰口铁双金属轧辊的标准规范
【标准号】:ASTMA748/A748M-1987(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1987
【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】:A04.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:statically;cast;dual;core;journals;Castiron--specifications;Rolls;Statically-castmaterials/applications
【摘要】:1.1Thisspecificationcoversstaticallycastdualmetalrollswiththeouterlayeroftherollbodybeingchilledwhiteironofdifferentchemicalcompositionthanthecoreandjournalsoftherollwhichisgraycastiron.Thecastingsaresuitableforpressurecontainingparts,thedesignstrengthofwhichisbasedonthegrayironportionofthecylinder.Thecastingsaresuitableforserviceattemperaturesupto450x00B0;F[232x00B0;C].1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thefollowingsafetyhazardsstatementpertainsonlytothetestmethodportion,9,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H44
【国际标准分类号】:77_140_80
【页数】:2P.;A4
【正文语种】:英语