基本信息
| 标准名称： | 冶金劳动定员定额(生活后勤)标准 |
| 中标分类： |
冶金 >>
冶金综合 >>
经济管理 |
| 发布日期： | |
| 实施日期： | 1994-02-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
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所属分类： 冶金 冶金综合 经济管理
【英文标准名称】:StandardSpecificationforDeformedandPlainCarbon-SteelBarsforConcreteReinforcement
【原文标准名称】:变形和普通钢筋混凝土碳钢钢筋的标准规范
【标准号】:ASTMA615/A615M-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】:钢筋混凝土;变形(突出);钢棒;混凝土钢筋.规范;变形钢棒.规范;钢棒和钢坯.规范;钢棒(混凝土钢筋.规范)
【英文主题词】:concretereinforcement;deformations(protrusions);steelbars;Concretereinforcement--specifications;Deformedsteelbars--specifications;Steelbarsandbillets--specifications;Steelbars(concretereinforcement--specifications
【摘要】:1.1Thisspecificationcoversdeformedandplaincarbon-steelbarsforconcretereinforcementincutlengthsandcoils.Steelbarscontainingalloyadditions,suchaswiththeAmericanIronandSteelInstituteandtheSocietyofAutomotiveEngineersseriesofalloysteels,arepermittediftheresultingproductmeetsalltheotherrequirementsofthisspecification.ThestandardsizesanddimensionsofdeformedbarsandtheirnumberdesignationsaregiveninTable1.Thetextofthisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintables)shallnotbeconsideredasrequirementsofthespecification.1.2Barsareoffourminimumyieldstrengthlevels:namely,40000[280MPa],60000[420MPa],75000psi[520MPa],and80000[550MPa],designatedasGrade40[280],Grade60[420],Grade75[520],andGrade80[550],respectively.1.3Plainbars,insizesuptoandincluding2x00BD;in.[63.5mm]indiameterincoilsorcutlengths,whenorderedshallbefurnishedunderthisspecificationinGrade40[280],Grade60[420],Grade75[520],andGrade80[550].Forductilityproperties(elongationandbending),testprovisionsofthenearestsmallernominaldiameterdeformedbarsizeshallapply.Requirementsprovidingfordeformationsandmarkingshallnotbeapplicable.Note18212;Weldingofthematerialinthisspecificationshouldbeapproachedwithcautionsincenospecificprovisionshavebeenincludedtoenhanceitsweldability.Whensteelistobewelded,aweldingproceduresuitableforthechemicalcompositionandintendeduseorserviceshouldbeused.TheuseofthelatesteditionofAWSD1.4/D1.4Misrecommended.Thisdocumentdescribestheproperselectionofthefillermetalsandpreheat/interpasstemperatures,aswellasperformanceandprocedurequalificationrequirements.1.4Thisspecificationisapplicableforordersineitherinch-poundunits(asSpecificationA615)orinSIunits(asSpecificationA615M).1.5Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】: