Designation:G110−92(Reapproved2015)StandardPracticeforEvaluatingIntergranularCorrosionResistanceofHeatTreatableAluminumAlloysbyImmersioninSodiumChloride+HydrogenPeroxideSolution1ThisstandardisissuedunderthefixeddesignationG110;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheproceduresforimmersiontestsinsodiumchloride+hydrogenperoxidesolution.Itisprimar-ilyfortestsofwroughtheattreatablealuminumalloys(2XXXand7XXX)butmaybeusedforotheraluminumalloys,includingcastings.Itsetsforththespecimenpreparationproceduresandtheenvironmentalconditionsofthetestandthemeansforcontrollingthem.1.2Thispracticeisintendedforevaluationsduringalloydevelopmentandforevaluatingproductionwhereitmayserveasacontroltestonthequalityofsuccessivelotsofthesamematerial(seeMIL-H-6088andU.S.FederalTestMethodStd.151b).Thereforestricttestconditionsarestipulatedformaxi-mumassurancethatvariationsinresultsareattributabletolot-to-lotdifferencesinthematerialbeingtested.NOTE1—Thispracticedoesnotaddresssamplingorinterpretationorsignificanceofresults.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterE3GuideforPreparationofMetallographicSpecimensE407PracticeforMicroetchingMetalsandAlloysG1PracticeforPreparing,Cleaning,andEvaluatingCorro-sionTestSpecimensG15TerminologyRelatingtoCorrosionandCorrosionTest-ing(Withdrawn2010)3G67TestMethodforDeterminingtheSusceptibilitytoIntergranularCorrosionof5XXXSeriesAluminumAl-loysb...
