ASTM A 706/A 706M-2008 混凝土增强用变形低合金钢和光面钢筋的标准规范

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【英文标准名称】:StandardSpecificationforLow-AlloySteelDeformedandPlainBarsforConcreteReinforcement
【原文标准名称】:混凝土增强用变形低合金钢和光面钢筋的标准规范
【标准号】:ASTMA706/A706M-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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:合金钢;混凝土;变形;增强;钢;结构钢
【英文主题词】:Alloysteels;Concretes;Deformation;Reinforcement;Steels;Structuralsteels
【摘要】:1.1General—Thisspecificationcoversdeformedandplainlow-alloysteelbarsincutlengthsorcoilsforconcretereinforcementintendedforapplicationswhererestrictivemechanicalpropertiesandchemicalcompositionarerequiredforcompatibilitywithcontrolledtensilepropertyapplicationsortoenhanceweldability.ThestandardsizesanddimensionsofdeformedbarsandtheirnumberdesignationsaregiveninTable1.Thetextofthisspecificationreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes,excludingthoseintables,shallnotbeconsideredasrequirementsofthisspecification.1.2Grade—Barsareofasingleminimumyieldstrengthlevel:namely,60000psi[420MPa],designatedasGrade60[420].1.3Plainrounds,insizesuptoandincluding21?2in.[63.5mm]indiameterincoilsorcutlengths,whenordered,shallbefurnishedunderthisspecification.Forductilityproperties(elongationandbending),testprovisionsofthenearestsmallernominaldiameterdeformedbarsizeshallapply.1.4ControlledTensileProperties—Thisspecificationlimitsmechanicalproperties(Table2)toprovidethedesiredyield/tensilepropertiesforcontrolledtensilepropertyapplications.1.5Welding—Thisspecificationlimitschemicalcomposition(6.2)andcarbonequivalent(6.4)toenhancetheweldabilityofthematerial.Whensteelistobewelded,aweldingproceduresuitableforthechemicalcompositionandintendeduseorserviceshouldbeused.TheuseofthelatesteditionofAWSD1.4/D1.4Misrecommended.Thisdocumentdescribestheproperselectionofthefillermetals,preheat/interpasstemperatures,aswellas,performanceandprocedurequalificationrequirements.1.6Thisspecificationisapplicableforordersineitherinch-poundunits(SpecificationA706)orinSIunits[SpecificationA706M].1.7Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththisspecification.
【中国标准分类号】:
【国际标准分类号】:77_140_15
【页数】:5P;A4
【正文语种】:英语