Designation:A427/A427M−10(Reapproved2015)StandardSpecificationforWroughtAlloySteelRollsforColdandHotReduction1ThisstandardisissuedunderthefixeddesignationA427/A427M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcovershomogeneouswroughthard-enedalloysteelrollsforuseincoldorhotreductionofflatrolledferrousandnonferrousproducts.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A788/A788MSpecificationforSteelForgings,GeneralRe-quirementsA956TestMethodforLeebHardnessTestingofSteelProductsE18TestMethodsforRockwellHardnessofMetallicMa-terialsE92TestMethodforVickersHardnessofMetallicMaterials(Withdrawn2010)3E140HardnessConversionTablesforMetalsRelationshipAmongBrinellHardness,VickersHardness,RockwellHardness,SuperficialHardness,KnoopHardness,Sclero-scopeHardness,andLeebHardnessE448PracticeforScleroscopeHardnessTestingofMetallicMaterials3.OrderingInformation3.1Thepurchasershallspecifyintheinquiry,contract,ororderthecompletedimensions,hardnessrange,surfacefinish,anduse.Anyotherrequirementsshallalsobespecified.3.2MaterialsuppliedtothisspecificationshallconformtotherequirementsofSpecificationA788/A788M,whichout-linesadditionalorderinginformation,manufacturingrequirements,testingandretestingmethodsandprocedures,marking,certification,productanalysisvariat...
