Designation:B688−96(Reapproved2014)StandardSpecificationforChromium-Nickel-Molybdenum-Iron(UNSN08366andUNSN08367)Plate,Sheet,andStrip1ThisstandardisissuedunderthefixeddesignationB688;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverschromium-nickel-molybdenum-ironUNSN08366andUNSN083672plate,sheet,andstripforuseincorrosiveserviceandheat-resistingapplications.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:3E8/E8MTestMethodsforTensionTestingofMetallicMa-terialsE10TestMethodforBrinellHardnessofMetallicMaterialsE18TestMethodsforRockwellHardnessofMetallicMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE38MethodsforChemicalAnalysisofNickel-ChromiumandNickel-Chromium-IronAlloys(Withdrawn1989)4E140HardnessConversionTablesforMetalsRelationshipAmongBrinellHardness,VickersHardness,RockwellHardness,SuperficialHardness,KnoopHardness,Sclero-scopeHardness,andLeebHardnessE354TestMethodsforChemicalAnalysisofHigh-Temperature,Electrical,Magnetic,andOtherSimilarIron,Nickel,andCobaltAlloys3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1sheet,n—materialunder3⁄16in.(5mm)inthicknessand24in.(610mm)andoverinwidth.3.1.2strip,n—material...
