Designation:C860−15StandardTestMethodforDeterminingtheConsistencyofRefractoryCastableUsingtheBall-In-HandTest1ThisstandardisissuedunderthefixeddesignationC860;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1ThistestmethodcoverstheproceduresfordeterminingtheconsistencyofacastableusingtheBall-in-HandTest.Theamountofwaterusedinacastablehasasignificantinfluenceonitsperformance.1.2ThistestmethodappliestocastablerefractoriesthataredescribedinClassificationC401.Italsoappliestosuchcastablescontainingmetalfibers.1.3Thistestmethodisnotintendedtodeterminetheproperconsistencyforgunning,pumping,orselfflowapplications.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregu-latorylimitationspriortouse.(See6.2.3foraspecificsafetywarning.)2.ReferencedDocuments2.1ASTMStandards:2C401ClassificationofAluminaandAlumina-SilicateCastableRefractories3.SignificanceandUse3.1Thistestmethodisusedtodetermineifafreshlymixedrefractorycastableisoftheproperconsistencytoprovideoptimumperformance.Therearetimeswhenthemanufactur-er’sspecifiedwatercontentandconsistencywillpurposelynotleadtothecorrectballinhandbutshouldbeusedtoprovideoptimumperformance.Contactthemanufacturerwhenindoubt.Thistestmethodcanalsobeusedtoestimatethecorrectwateradditionrateofacastablewheneitherthemanufacturer’sspecifiedwatercontentisnotavailableorwhenuniquecircumstanceshaverenderedthatrecommendationunusable.3.2Th...
