AS 1816.1-2007 Metallic materials—Brinell hardness

AS1816.1—2007AustralianStandard®Metallicmaterials—BrinellhardnesstestMethod1:Testmethod(ISO6506-1:2005,MOD)PREFACEThisStandardwaspreparedbytheStandardsAustraliaCommitteeMT-006,MechanicalTestingofMetalstosupersedeAS1816.1—2002,Metallicmaterials—Brinellhardnesstest,Method1:Testmethod.ThisStandardisanadoptionwithnationalmodificationsandisreproducedfromISO6506-1:2005,Metallicmaterials—Brinellhardnesstest,Part1:Testmethod.VariationstotheISOtextforAustraliaaresetoutinAppendixZZ.ChangestotheISOtextareindicatedbyamarginalbar.ThisStandardmodifiesISO6506-1toconformwithestablishedAustralianpracticesforhardnesstesting.ThisStandardisoneofaseriesofStandardscoveringtherangeofhardnesstestingmethods.Theseriescomprisesofthefollow:AS1815Metallicmaterials—Rockwellhardnesstest1815.1Method1:Testmethod(scalesA,B,C,D,E,F,G,H,K,N,T)1815.2Method2:Verificationandcalibrationoftestingmachines(scalesA,B,C,D,E,F,G,H,K,N,T)1815.3Method3:Calibrationofreferenceblocks(scalesA,B,C,D,E,F,G,H,K,N,T)(ISO6508-3:2005,MOD)1816Metallicmaterials—Brinellhardnesstest1816.1Method1:Testmethod(ISO6506-1:2005,MOD)(thisStandard)1816.2Method2:Verificationandcalibrationoftestingmachines1816.3Method3:Calibrationofreferenceblocks1816.4Method4:Tableofhardnessvalues1817Metallicmaterials—Vickershardnesstest1817.1Method1:Testmethods(ISO6507-1:1994,MOD)1817.2Method2:Verificationoftestingmachines1817.3Method3:Calibrationofreferenceblocks5016Metallicmaterials—ConversionofhardnessvaluesAsthisStandardisreproducedfromaninternationalstandard,thefollowingapplies:(a)Itsnumberappearsonthecoverandtitlepagewhiletheinternationalstandardnumberappearsonlyonthecover.(b)Inthesourcetext‘thispartofISO6506’shouldread‘thisAustralianStandard’.(c)Afullpointsubstitutesforacommawhenreferringtoadecimalmarker.AS1816.1—2007i:ReferencetoInternationalStandardAustralianStandardISOAS4498Sinteredmetalmaterials,excludinghardmetals—Determinationofapparenthardness—4498-1Part1:Materialsofessentiallyuniformsectionhardness6506Metallicmaterials—Brinellhardnesstest1816Metallicmaterials—Brinellhardnesstest6506-2Part2:Verificationandcalibrationoftestingmachines1816.2Method2:Verificationandcalibrationoftestingmachines6506-4Part4:Tableofhardnessvalues1816.4Method4:TableofhardnessvaluesTheterms‘normative’and‘informative’havebeenusedinthisStandardtodefinetheapplicationoftheannexorappendixtowhichtheyapply.A‘normative’annexorappendixisanintegralpartofastandard,wherean‘informative’annexorappendixisonlyforinformationandguidance.ii(E)©ISO2005–Allrightsreserved1Metallicmaterials—Brinellhardnesstest—Part1:Testmethod1ScopeThispartofISO6506specifiesthemethodfortheBrinellhardnesstestformetallicmaterialsandisapplicableuptothelimitof650HBW.Forspecificmaterialsand/orproducts,particularInternationalStandardsexist(i.e.ISO4498-1).2NormativereferencesThefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.ISO4498-1,Sinteredmetalmaterials,excludinghardmetals—Determinationofapparenthardness—Part1:MaterialsofessentiallyuniformsectionhardnessISO6506-2:2005,Metallicmaterials—Brinellhardnesstest—Part2:VerificationandcalibrationoftestingmachinesISO6506-4,Metallicmaterials—Brinellhardnesstest—Part4:Tableofhardnessvalues3PrincipleAnindenter(hardmetalballwithdiameterD)isforcedintothesurfaceofatestpieceand,afterremovaloftheforceF,thediameteroftheindentationdleftinthesurfaceismeasured.TheBrinellhardnessisproportionaltothequotientobtainedbydividingthetestforcebythecurvedsurfaceareaoftheindentation.Theindentationisassumedtoretaintheshapeoftheball,anditssurfaceareaiscalculatedfromthemeanindentationdiameterandtheballdiameter.1(E)2©ISO2005–Allrightsreserved4Symbolsandabbreviatedterms4.1SeeFigure1andTable1.Table1—SymbolsandabbreviatedtermsSymbol/AbbreviatedtermDesignationUnitDFdd1,d2hHBW0,102×F/D2DiameteroftheballTestforceMeandiameteroftheindentation122ddd+=Indentationdiametersmeasuredat90°Depthofindentation22(11)2DhdD=−−BrinellhardnessTestforceConstantSurfaceareaofindentation=×222)2HBW0,102(11/FDdDπ=×−−force-diameterratiommNmmmmmmN/mm2NOTE1Constant0,1029,80665=≈,where9,80665istheconversionfactorfromkgftoN.4.2ThefollowingisanexampleofthedesignationofBrinellhardness,HBW.EXAMPLENOTEInformerstandards,incaseswhenasteelballhadbeenused,theBrinellhardnesswasdenotedbyHBorHBS.2(E)©ISO2005–Allrightsreserved3Forsymbols,seeTable1.Figure1—Principleoftest5Apparatus5.1Testingmachine,capableofapplyingapredeterminedtestforceorforceswithintherangeof9,807Nto29,42kN,inaccordancewithISO6506-2.5.2Indenter,apolishedhardmetalball,asspecifiedinISO6506-2.5.3Measuringdevice,asspecifiedinISO6506-2.NOTEAsuggestedprocedureforperiodicchecksbytheuserisgiveninAnnexA.6Testpiece6.1Thetestshallbe