ASTME415-2008

Designation:E415–08StandardTestMethodforAtomicEmissionVacuumSpectrometricAnalysisofCarbonandLow-AlloySteel1ThisstandardisissuedunderthefixeddesignationE415;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthesimultaneousdeterminationof20alloyingandresidualelementsincarbonandlow-alloysteelsintheconcentrationrangesshown(Note1).ConcentrationRange,%ElementApplicableRange,%AQuantitativeRange,%BAluminum0to0.0750.02to0.075Arsenic0to0.10.05to0.1Boron0to0.0070.002to0.007Calcium0to0.0030.001to0.003Carbon0to1.10.08to1.1Chromium0to2.250.02to2.25Cobalt0to0.180.008to0.18Copper0to0.50.04to0.5Manganese0to2.00.10to2.0Molybdenum0to0.60.03to0.6Nickel0to5.00.02to5.0Niobium0to0.0850.02to0.085Nitrogen0to0.0150.004to0.015Phosphorous0to0.0850.02to0.085Silicon0to1.150.07to1.15Sulfur0to0.0550.01to0.055Tin0to0.0450.01to0.045Titanium0to0.20.004to0.2Vanadium0to0.30.004to0.3Zirconium0to0.050.02to0.05AApplicablerangeinaccordancewithGuideE1763forresultsreportedinaccordancewithPracticeE1950.BQuantitativerangeinaccordancewithPracticeE1601.NOTE1—Theconcentrationrangesoftheelementslistedhavebeenestablishedthroughcooperativetesting2ofreferencematerials.Included,inadditiontotheoriginaldataofTestMethodE415–71,aredatafromcooperativetestingofabroaderrangeofreferencematerialstoexpandtheelementconcentrationranges.1.2Thistestmethodcoversanalysisofspecimenshavingadiameteradequatetooverlaptheboreofthesparkstandopening(toeffectanargonseal).Thespecimenthicknesscanvarysignificantlyaccordingtothedesignofthespectrometerstand,butathicknessbetween10mmand38mmhasbeenfoundtobemostpractical.1.3Thistestmethodcoverstheroutinecontrolanalysisinironandsteelmakingoperationsandtheanalysisofprocessedmaterial.Itisdesignedforchill-cast,rolled,andforgedspecimens.Betterperformanceisexpectedwhenreferencematerialsandspecimensareofsimilarmetallurgicalconditionandcomposition.However,itisnotrequiredforallapplica-tionsofthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:3E135TerminologyRelatingtoAnalyticalChemistryforMetals,Ores,andRelatedMaterialsE158PracticeforFundamentalCalculationstoConvertIntensitiesintoConcentrationsinOpticalEmissionSpec-trochemicalAnalysis4E305PracticeforEstablishingandControllingAtomicEmissionSpectrochemicalAnalyticalCurvesE350TestMethodsforChemicalAnalysisofCarbonSteel,Low-AlloySteel,SiliconElectricalSteel,IngotIron,andWroughtIronE406PracticeforUsingControlledAtmospheresinSpec-trochemicalAnalysisE1019TestMethodsforDeterminationofCarbon,Sulfur,Nitrogen,andOxygeninSteelandinIron,Nickel,andCobaltAlloysE1329PracticeforVerificationandUseofControlChartsinSpectrochemicalAnalysisE1601PracticeforConductinganInterlaboratoryStudytoEvaluatethePerformanceofanAnalyticalMethodE1763GuideforInterpretationandUseofResultsfromInterlaboratoryTestingofChemicalAnalysisMethodsE1806PracticeforSamplingSteelandIronforDetermi-nationofChemicalComposition1ThistestmethodisunderthejurisdictionofASTMCommitteeE01onAnalyticalChemistryforMetals,OresandRelatedMaterialsandisthedirectresponsibilityofSubcommitteeE01.01onIron,Steel,andFerroalloys.CurrenteditionapprovedJune1,2008.PublishedJuly2008.Originallyapprovedin1971.Lastpreviouseditionapprovedin2005asE415–99a(2005).2SupportingdatahavebeenfiledatASTMInternationalHeadquartersandmaybeobtainedbyrequestingResearchReportRR:E2-1004.3ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.4Withdrawn.1Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.E1950PracticeforReportingResultsfromMethodsofChemicalAnalysis3.Terminology3.1Fordefinitionsoftermsusedinthistestmethod,refertoTerminologyE135.4.SummaryofTestMethod4.1Acapacitordischargeisproducedbetweentheflat,groundsurfaceofthediskspecimenandaconicallyshapedelectrode.Thedischargeisterminatedatapredeterminedintensitytimeintegralofaselectedironline,oratapredeter-minedtime,andtherelativeradiantenergiesoftheanalyticallinesarerecorded.Themostsensitivelinesofarsenic,boron,carbon,nitrogen,phosphorus,sulfur,andtinlieinthevacuumultravioletregion.Theabsorptionoftheradiationbyairinthisregionisovercomebyevacuatingthespectrometerandflush-ingthesparkchamberwithargon.5.SignificanceandUse5.1Thistestmethodforthespectrometricanalysisofmetalsandalloysisprimarilyintendedtotestsuchmaterialsforcompliancewithcompositionalspecifications.Itisassumedthatallwhousethistestmethodwillbeanalystscapableofperformingcommonlaboratoryproceduresskillfullyandsafely.Itisexpectedth