Designation:A308/A308M−10StandardSpecificationforSteelSheet,Terne(Lead-TinAlloy)CoatedbytheHot-DipProcess1ThisstandardisissuedunderthefixeddesignationA308/A308M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecificationcoverssheetsteelincoilsandcutlengthscoatedwithlead-tinalloy(ternemetal,see3.2.3)bythehot-dipprocess.Thismaterialiscommonlyknownasterneandisusedwhereeaseofsolderabilityandadegreeofcorrosionresistancearedesirable.Itisespeciallysuitablewhereresis-tancetogasolineisrequired.Terne-coatedsheetisalsousedforstamping,wherethecoatingactsasalubricantinthedie,lesseningdifficultiesindrawing.Theweightofcoating,alwaysexpressedastotalcoatingonbothsides,shallbespecifiedinaccordancewithTable1.1.2Materialfurnishedunderthisspecificationshallcon-formtotheapplicablerequirementsofthelatestissueofSpecificationA924/A924M,unlessotherwiseprovidedherein.1.3Terne-coatedsteelisavailableinanumberofdesigna-tions,types,andgrades.1.4Thisspecificationisapplicabletoordersineitherinch-poundunits(asA308)orSIunits(asA308M).Valuesininch-poundandSIunitsarenotnecessarilyequivalent.Withinthetext,SIunitsareshowninbrackets.Eachsystemshallbeusedindependentlyoftheother.1.5Unlesstheorderspecifiesthe“M”designation(SIunits),theproductshallbefurnishedtoinch-poundunits.1.6Thetextofthisspecificationreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes,excludingthoseintablesandfigures,shallnotbeconsideredasrequirementsofthisspecification.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.Refere...
