Designation:D4417−14StandardTestMethodsforFieldMeasurementofSurfaceProfileofBlastCleanedSteel1ThisstandardisissuedunderthefixeddesignationD4417;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscoverthedescriptionoftechniquesformeasuringtheprofileofabrasiveblastcleanedsurfacesinthelaboratory,field,orinthefabricatingshop.Thereareadditionaltechniquessuitableforlaboratoryusenotcoveredbythesetestmethods.1.2MethodBmayalsobeappropriatetothemeasurementofprofileproducedbyusingpowertools.1.3SSPCstandardSSPCPA17providesadditionalguid-ancefordeterminingconformancewithsurfaceprofilerequire-ments.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D7127TestMethodforMeasurementofSurfaceRoughnessofAbrasiveBlastCleanedMetalSurfacesUsingaPor-tableStylusInstrumentE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod2.2SSPCStandard:3SSPCPA17ProcedureforDeterminingConformancetoSteelProfile/SurfaceRoughness/PeakCountRequire-ments3.SummaryofTestMethod3.1Themethodsare:3.1.1MethodA—Theblastedsurfaceisvisuallycomparedtostandardspreparedwithvarioussurfaceprofiledepthsandtherangedetermined.3.1.2MethodB—Thedepthofprofileismeasuredusingafinepointedprobeatanumberoflocationsandthearithmeticmeanofthemaximumpeak-to-valleydistancesisdetermined.3.1.3MethodC—Acomposit...
