Designation:A100−07(Reapproved2012)StandardSpecificationforFerrosilicon1ThisstandardisissuedunderthefixeddesignationA100;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversgradesofferrosiliconforsteelmakingandfoundryuses.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetricequivalentsofinch-poundunits(SIunits)giveninparenthesesmaybeapproximate.2.ReferencedDocuments2.1ASTMStandards:2A1025SpecificationforFerroalloysandOtherAlloyingMaterials,GeneralRequirementsE11SpecificationforWovenWireTestSieveClothandTestSievesE360TestMethodsforChemicalAnalysisofSiliconandFerrosilicon(Withdrawn2006)33.GeneralConditionsofDelivery3.1MaterialsfurnishedtothisspecificationshallconformtotherequirementsofSpecificationA1025,includinganysupple-mentaryrequirementsthatareindicatedinthepurchaseorder.FailuretocomplywiththegeneralrequirementsofSpecifica-tionA1025constitutesnonconformancewiththisspecification.Incaseofconflictbetweentherequirementsofthisspecifica-tionandSpecificationA1025,thisspecificationshallprevail.4.ChemicalComposition4.1ThevariousgradesshallconformtotherequirementsastochemicalcompositionprescribedinTable1.4.2Themanufacturershallfurnishananalysisofeachshipmentshowingthesiliconcontentandwhenrequired,suchoftheotherelementsspecifiedinTable1.5.Size5.1ThevariousgradesareavailableinsizesaslistedinTable2.5.2ThesizeslistedinTable2aretypicalasshippedfromthemanufacturer’splant.Thesealloysexhibitvaryingdegreesoffriability;therefore,someattritionmaybeexpectedintransit,storage,andhandling.Aquantitativetestisnotavail-ableforratingrelativefriabilityofferroalloys.Acodesystemhasbeendeveloped,therefore,forthispurpose,andanumberratingforeachproducttypeisshowninthelastcolumnofTable2.DefinitionsapplicabletothesecodenumbersaregiveninSpeci...
