Designation:B760−07(Reapproved2013)StandardSpecificationforTungstenPlate,Sheet,andFoil1ThisstandardisissuedunderthefixeddesignationB760;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverswroughtunalloyedtungstenplate,sheet,andfoil.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thefollowingprecautionarycaveatpertainsonlytothetestmethodportionsofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications3.Terminology3.1LotDefinitions:3.1.1ingot,n—nodefinitionrequired.3.1.2Amanufacturinglotshallconsistofamaterialofthesamesize,shape,condition,andfinishproducedfromtheingotorpowderblendbythesamerollingreductionscheduleandthesameheattreatmentparameters.Unlessotherwiseagreedbetweenmanufacturerandpurchaser,alotshallbelimitedtotheproductofan8hperiodforfinalcontinuousanneal,ortoasinglefurnaceloadforfinalbatchanneal.3.1.3Achemicalanalysislotshallconsistofasinglepowderblendinthecaseofproductsmanufacturedfrompressedandsinteredpowdermetallurgyshapes,orasingleingotinthecaseofproductsmanufacturedfromingot.3.2ProductForms:3.2.1foil,n—aflatproductlessthan0.005in.(0.13mm)inthickness.3.2.2plate,n—aflatproduct0.188in.(4.75mm)ormoreinthickness.3.2.3sheet,n—aflatproductfrom.005in.(0.13mm)to0.187in.(4.75mm)inthickness.4.OrderingInformation4.1Ordersformaterialunderthisspecificationshallincludethef...
