Designation:D610−08(Reapproved2012)SocietyforProtectiveCoatingsSSPC-VIS-2StandardPracticeforEvaluatingDegreeofRustingonPaintedSteelSurfaces1ThisstandardisissuedunderthefixeddesignationD610;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thispracticecoverstheevaluationofthedegreeofrustingonpaintedsteelsurfaces.Thevisualexampleswhichdepictthepercentageofrustinggiveninthewrittenspecifica-tionsformpartofthestandard.Intheeventofadispute,thewrittendefinitionprevails.Thesevisualexamplesweredevel-opedincooperationwithSSPC:TheSocietyforProtectiveCoatingstofurtherstandardizationofmethods.Thephoto-graphscanbeusedtoestimatethepercentageofothercoatingdefectsonvarioussubstrates.Thisstandarddoesnotincludeevaluationofrustpropagationaroundaninitiallypreparedscribe,score,orholiday.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMAdjunct/SSPC:TheSocietyforProtectiveCoat-ings:SSPC-VIS2/ASTMD610StandardMethodofEvaluatingDegreesofRustingonPaintedSteelSurfaces23.SignificanceandUse3.1Theamountofrustingbeneathorthroughapaintfilmisasignificantfactorindeterminingwhetheracoatingsystemshouldberepairedorreplaced.Thispracticeprovidesastandardizedmeansforquantifyingtheamountanddistributionofvisiblesurfacerust.3.2Thedegreeofrustingisevaluatedusingazerototenscalebasedonthepercentageofvisiblesurfacerust.3.3Thedistributionoftherustisclassifiedasspotrust,generalrust,pinpointrustorhybridrust.4.Interferences4.1Thevisualexamplesthatarepartofthispracticeandtheassociatedrust-gradescalecoveronlyrustingevid...
