Designation:A144−04(Reapproved2014)StandardSpecificationforFerrotungsten1ThisstandardisissuedunderthefixeddesignationA144;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversfourgradesofferrotungsten.2.ReferencedDocuments2.1ASTMStandards:2A1025SpecificationforFerroalloysandOtherAlloyingMaterials,GeneralRequirements3.GeneralConditionsforDelivery3.1MaterialsfurnishedtothisspecificationshallconformtotherequirementsofSpecificationA1025,includinganysupple-mentaryrequirementsthatareindicatedinthepurchaseorder.FailuretocomplywiththegeneralrequirementsofSpecifica-tionA1025constitutesnonconformancewiththisspecification.Incaseofconflictbetweentherequirementsofthisspecifica-tionandSpecificationA1025,thisspecificationshallprevail.4.ChemicalComposition4.1ThematerialshallconformtotherequirementsastochemicalcompositionspecifiedinTables1and2.4.2ThemanufacturershallfurnishananalysisofeachshipmentshowingthepercentageofeachelementspecifiedinTable1.ThemanufacturershallsupplyonrequesttheresultsofananalysisfortheelementsinTable2,onacumulativebasisoveraperiodmutuallyagreeduponbetweenthemanufacturerandthepurchaser.5.Size5.1ThevariousgradesareavailableinthesizeslistedinTable3.6.Keywords6.1ferroalloy;ferrotungsten1ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.18onCastings.CurrenteditionapprovedOct.1,2014.PublishedOctober2014.Originallyapprovedin1932.Discontinuedin2000andreinstatedin2002asA144-02.Lastpreviouseditionapprovedin2009asA144-04(2009).DOI:10.1520/A0144-04R14.2ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageont...
