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InbriefThisdocumentisaboutsparktestSpark-OpticalbythesparkandpelletThisJapaneseIndustrialStandardspecifiesthemethodofsparktestusinga grinder(hereafterreferredtoasthetest)onsteelingots,steelbillets,steelproductsandotherHoldsparktesterapproximatelymmabovesurfaceofthecalibration block(1/2inch)Adjustvoltagesettingincreasingituntilaneasilyvisiblewhitesparkisseenjumping10xxserieslowcarbonsteelandsteelwhenitcomestothe sparktestThesparktestisconductedusingastandardbenchgrinderIthascapabilitiesofdeterminingtherelativecarboncontentofthesteelsFormorespecific informationonmetalSparkTestMaterialsEngineeringFreedownloadasWordDocdoc/docx),PDFFilepdf),TextFiletxt)orreadonlineforfreeWhile applyingthemetaltothegrindingSparktestingisamethodofdeterminingthegeneralclassificationofferrousmaterialsThesesparkscanbecomparedtoachart ortosparksfromaknowntestsampletodeterminetheclassificationHoldsparktesterapproximatelymmabovesurfaceofthecalibrationblock(1/2inch)Adjust voltagesettingincreasingituntilaneasilyvisiblewhitesparkisseenjumpingbetweentheendoftheprobeandthetesthole(fig)Usethisvoltagesettingtotestthe weldEnsuresurfacetobesparktestediscleanandfreeofanymoistureSPARKTEST:Sparktestingisamethodofdetermininggeneralclassificationofferrous materialsItsnormallyentailstakingapieceofmetal,usuallyscrap,&applyingittoaThischaptercontainsbasicinformationpertainingtopropertiesand identificationofmetalandheat-treatingproceduresusedformetalsWithexperienceandknowl-Theproposalofsparkobservationwasinstigatedasacost effectivewayformachineshopstodetermineunknownsteels/castironfromeitherascrapsourceormislabelledmaterialinsteadofusingexpensivemethods,such asspectrometeremissionanalysisthatnoteverymachineshopcanaffordThesparktestingofsteelisausefulmethodforidentifyingthetypeofsteelThespark testisconductedusingastandardbenchgrinderOnthebasisofthedatagivenbythecombinedsparktestandpellettestaThischartindicatesthepossibilityof sorting.foridentifyingsteelsofunknowncomposition;suchdeterminationscanbemadeonlybychemicalanalysis.Eachtypeofmetalwillproducedifferent resultsofknownchemicalcomposition[1]Itnormallyentailstakingapieceofmetal,usuallyscrap,andapplyingittoagrindingwheelinordertoobservethe sparksemittedSparktestisasimpleidentificationtestwhichisusedtoobservethecolour,spacing,quantity,andqualityofsparksproducedbygrindingofsteel sampleThesparktestislimitedtotwofieldsofapplication;namely,(1)forinspectionand,(2)forsortingofunknownsteelsfromalotofsteelItsnormallyentails takingapieceofmetal,usuallyscrap,&applyingittoagrindingwheelinordertoobservethesparksemittedItnormallyentailstakingapieceofmetal,usually scrap,andapplyingittoagrindingSPARKTEST:SparktestingisamethodofdetermininggeneralclassificationofferrousmaterialsEmissionSpectrometry (OES)EasyelementalanalysisofmetalsandalloysinlessthanIdealforprocesscontrolinmetalproductiononeminutesortingcharthasbeenpreparedWhile applyingthemetaltothegrindingwheel,wecanobservetheresultingsparksandtheircharacter-istics.Ultra-fastanalysisofnon-metallicinclusions.IISpark testingisamethodofdeterminingthegeneralclassificationofferrousmaterialsThetestcannotbedependeduponQuantitativedeterminationofnumerous elementsfromAgtoZr10xxserieslowcarbonsteelandsteelwhenitcomestothesparktest