Designation:A367−11StandardTestMethodsofChillTestingofCastIron1ThisstandardisissuedunderthefixeddesignationA367;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodsofchilltestingapplytograyironsthataretobefreeofchillinthecastingandtochilledironsthataretohaveaspecificdepthofchillinthecasting.Twotestmethodsofdeterminingthechillingtendenciesofcastironarecoveredasfollows.Formanyapplicationseithertestmethodwillbesatisfactoryiftestpiecesoftheproperdimensionsareselected.1.1.1TestMethodA,WedgeTest—Thistestisgenerallybetteradaptedtothehigherstrengthgrayirons.Theacceleratedcoolingratetoinducetheformationofachillisbroughtaboutthroughthedesignofthetestspecimen.ThistestmethodissimplerthanTestMethodBsincemaintenanceofchillblocksorplatesisnotnecessary.1.1.2TestMethodB,ChillTest—Thistestisbetteradaptedtothesoftergradesofgrayironandshouldbeusedifthecastingistohaveaspecifieddepthofchill.Thechillinthistypeoftestisinducedbycastingoneedgeofthetestspecimenagainstametalorgraphitechilledplateorblock.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.2.1ThemetricequivalencychartsinFigs.1and2areprovidedforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.TESTMETHODA—WEDGETEST2.Application2.1Selectionofatestspecimenofappropriatedimensionswillallowmeasurementofchillingtendenciesofallgrayironcompositions,withtheexceptionofthosehavingsiliconcontentsmuchover2.50%togetherwithcarboncontentsover3.50%.3.TestSpecimens3.1Thepatterns...
