【英文标准名称】:StandardSpecificationforLow-AlloySteelDeformedandPlainBarsforConcreteReinforcement
【原文标准名称】:钢筋混凝土用异型和普通低合金钢棒用标准规范
【标准号】:ASTMA706/A706M-2009b
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:A01.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:合金钢;混凝土钢筋;变形(突出);钢棒;混凝土钢筋.规范;变形钢棒.规范;合金钢棒.规范;低合金钢.规范;钢棒(混凝土钢筋).规范
【英文主题词】:alloysteel;concretereinforcement;deformations(protrusions);steelbars;Concretereinforcement--specifications;Deformedsteelbars--specifications;Alloysteelbars--specifications;Low-alloysteel--specifications;Steelbars(concretereinforcement
【摘要】:1.1General8212;Thisspecificationcoversdeformedandplainlow-alloysteelbarsincutlengthsorcoilsforconcretereinforcementintendedforapplicationswhererestrictivemechanicalpropertiesandchemicalcompositionarerequiredforcompatibilitywithcontrolledtensilepropertyapplicationsortoenhanceweldability.ThestandardsizesanddimensionsofdeformedbarsandtheirnumberdesignationsaregiveninTable1.Thetextofthisspecificationreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes,excludingthoseintables,shallnotbeconsideredasrequirementsofthisspecification.1.2Grade8212;Barsareoftwominimumyieldstrengthlevels:namely,60000psi[420MPa]and80000[550],designatedasGrade60[420]andGrade80[550],respectively.Note18212;BarsdesignatedasGrade80[550],whichwereintroducedintheA706/A706Mx2013;09arevision,maybeoutsideconsiderationofconsensusdesigncodesandspecifications.1.3Plainbars,insizesuptoandincluding2x00BD;in.[63.5mm]indiameterincoilsorcutlengths,whenordered,shallbefurnishedunderthisspecification.Forductilityproperties(elongationandbending),testprovisionsofthenearestsmallernominaldiameterdeformedbarsizeshallapply.1.4ControlledTensileProperties8212;Thisspecificationlimitsmechanicalproperties(Table2)toprovidethedesiredyield/tensilepropertiesforcontrolledtensilepropertyapplications.1.5Welding8212;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.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H44
【国际标准分类号】:77_140_15
【页数】:6P.;A4
【正文语种】:


Product Code:SAE AMS2425
Title:Plating, Gold for Thermal Control
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers the requirements for gold deposited on metal surfaces and the propertiesof the deposit.