Designation:G124−10StandardTestMethodforDeterminingtheCombustionBehaviorofMetallicMaterialsinOxygen-EnrichedAtmospheres1ThisstandardisissuedunderthefixeddesignationG124;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstestapparatusandtechniquestodeterminetheminimumtestgaspressureandsampletempera-turethatsupportsself-sustainedburningandtheregressionrateofthemeltingsurfaceofastandardizedsampleofametallicmaterialthathasbeenignitedusingapromoter.1.2Thedataobtainedfromthistestmethodaredependentontheprecisetestsampleconfigurationandprovideabasisforcomparingtheburningcharacteristicsofmetallicmaterials.Nocriteriaareimpliedforrelatingthesedataforthesuitabilityofamaterial’suseinanyactualsystem.1.3Requirementsforapparatussuitableforthistestmethodaregiven,aswellasanexample.Theexampleisnotrequiredtobeused.1.4Thistestmethodisforgaseousoxygenoranymixtureofoxygenwithinertdiluentsthatwillsupportburning,atanypressureortemperaturewithinthecapabilitiesoftheapparatusused.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2G63GuideforEvaluatingNonmetallicMaterialsforOxy-genServiceG88GuideforDesigningSystemsforOxygenServiceG93PracticeforCleaningMethodsandCleanlinessLevelsforMaterialandEquipmentUsedinOxygen-EnrichedEnvironmentsG94GuideforEvaluatingMetalsforOxygenService3.Terminology3.1Definitions:3.1.1burnlength,n—theburnlengthisthelengthofthesamplethathasbeenconsumedbycombustion.3.1.1.1Discussion—Theburnlengthisdetermine...
