钢管标准ASTM A276-2008
Designation:A276–08a
StandardSpeci cationfor
StainlessSteelBarsandShapes1
Thisstandardisissuedunderthe xeddesignationA276;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.
1.Scope*
1.1Thisspeci cationcovershot- nishedorcold- nishedbarsexceptbarsforreforging(Note1).Itincludesrounds,squares,andhexagons,andhot-rolledorextrudedshapes,suchasangles,tees,andchannelsinthemorecommonlyusedtypesofstainlesssteels.Thefree-machiningtypes(Note2)forgeneralcorrosionresistanceandhigh-temperatureservicearecoveredinaseparatespeci cation.
NOTE1—Forbarsforreforging,seeSpeci cationA314.
NOTE2—Forfree-machiningstainlessbarsdesignedespeciallyforoptimummachinability,seeSpeci cationA582/A582M.
NOTE3—Therearestandardscoveringhighnickel,chromium,austen-iticcorrosion,andheatresistingalloymaterials.ThesestandardsareunderthejurisdictionofASTMSubcommitteeB02.07andmaybefoundinAnnualBookofASTMStandards,Vol.02.04.
2.2SAEDocument:3
SAEJ1086RecommendedPracticeforNumberingMetalsandAlloys
3.OrderingInformation
3.1Itistheresponsibilityofthepurchasertospecifyallrequirementsthatarenecessaryformaterialorderedunderthisspeci cation.Suchrequirementsmayincludebutarenotlimitedtothefollowing:
3.1.1Quantity(weightornumberofpieces),3.1.2Nameofmaterial:stainlesssteel,3.1.3Form(bars,angles,etc.),3.1.4Condition(Section4.1),
3.1.5Finish(Section8ofSpeci cationA484/A484M),3.1.6Surfacepreparationofshapes(Section8ofSpeci ca-tionA484/A484M),
3.1.7Applicabledimensionsincludingsize,thickness,width,andlength,l.
3.1.8Crosssection(round,square,etc.),3.1.9TypeorUNSdesignation(Table1),
3.1.10ASTMdesignationanddateofissue,and
3.1.11Whetherbarsaretoberolledasbarsorcutfromstriporplate.
3.1.12Testformagneticpermeabilitywhenspeci edbycustomerpurchaseorderwhenorderingTypes201and205.3.1.13Specialrequirements.
NOTE4—Atypicalorderingdescriptionisasfollows:5000lb(2268kg)StainlessSteelBars,AnnealedandCenterlessGround,11 2in.(38.10mm)Round,10to12ft(3.05to3.66m)inlength,Type304,ASTMSpeci cationA276dated______.Enduse:machinedvalveparts.
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2.ReferencedDocuments2.1ASTMStandards:2
A314Speci cationforStainlessSteelBilletsandBarsforForging
A370TestMethodsandDe nitionsforMechanicalTestingofSteelProducts
A484/A484MSpeci cationforGeneralRequirementsforStainlessSteelBars,Billets,andForgings
A582/A582MSpeci cationforFree-MachiningStainlessSteelBars
A751TestMethods,Practices,andTerminologyforChemicalAnalysisofSteelProducts
E527PracticeforNumberingMetalsandAlloysintheUni edNumberingSystem(UNS)
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1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.
Thisspeci cationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.17onFlat-RolledandWroughtStainlessSteel.
CurrenteditionapprovedOct.1,http://www.77cn.com.cnstpreviouseditionapprovedin2008asA276–08.2
ForreferencedASTMstandards,visittheASTMwebsite,http://www.77cn.com.cn,orcontactASTMCustomerServiceatservice@http://www.77cn.com.cn.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.
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*ASummaryofChangessectionappearsattheendofthisstandard.
Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.
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4.Manufacture4.1Condition:
4.1.1BarsshallbefurnishedinoneofthefollowingconditionslistedintheMechanicalRequirementstable:4.1.1.1ConditionA—Annealed
4.1.1.2ConditionH—Hardenedandtemperedatarela-tivelylowtemperature
4.1.1.3ConditionT—Hardenedandtemperedatarelativelyhightemperature
AvailablefromSocietyofAutomotiveEngineers(SAE),400CommonwealthDr.,Warrendale,PA15096-0001,http://www.77cn.com.cn.
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ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.