资源描述:
《GM 6046M-2005 Corrosion Protective Coatings Fluorocarbon Type》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、ENGINEERINGMaterialSpecificationGM6046MSTANDARDSMetalsCorrosionProtectiveCoatingsFluorocarbonTypefastenerslargerthan12mmindiameter,dueto1Scopeobjectionableappearancesthatmayresult.Thisspecificationcoversthebasicrequirementsforfluorocarbonposttreatments.Itissuppliedin2Referencesblackcolorunl
2、essotherwisespecified.Note:Onlythelatestapprovedstandardsare1.1MaterialDescription.Thecoatingsystemisapplicableunlessotherwisespecified.freeofhexavalentchromate,withnohexavalent2.1ExternalStandards/Specifications.chromateinfinalproductperGMW3059require-ASTMD2714SAE/USCAR-1ments.GMW3034willb
3、eusedasarefereetest.SAEJ1960SAE/USCAR-5Thecoatingcanbeappliedoveranycombinationofzincphosphate,zincplate,ironphosphateor2.2GMStandards/Specifications.gritblastpretreatments.Substratepretreatment9985129GMW3001requirements,wheretheyexist,aretobeshownGM4298PGMW3034separatelyondrawingsorapplica
4、bledocuments.GM4465PGMW30591.2TypicalApplication.ThecoatingissuitableGM9071Pforsimpleformedmetalparts,castings,fasten-ers,clips,andotherferrouspartswhicharenotadverselyaffectedbybakingtemperaturesinthe3Requirementsrangeof150to190°C.Thesecoatingsmayalso3.1Appearance.Thecoatingshallhaveauni-b
5、eusedtoreducefrictionandwearonmaterialformblackappearanceandshallbefreefromsurfacesorasananti-scufftypefinish.Thistears,sags,streaks,andexcesscoatingthataf-specificationcovers3thicknessesofcoatings.fectappearanceandperformance.ThecoatingThethicknessisspecifiedonthepartdrawingbyshalldrytothe
6、touchandshallnotdiscolororasuffixcodeaslistedinTable1.affectpaintedsurfaces.DuringnormalhandlingTable1practice,partsshallnotleaveparticulateresidueonequipment,hands,orgloves.BasicGMSuffixHourstoApproximate3.2Thickness.Whenappliedtothreadedprod-NumberRedThicknessucts,thecoatingshallnothavean
7、adverseeffectCorrosionµmonnormalinstallationandremovalpractices.GM6046M18T336336183.2.1Unlessotherwisespecified,thecoatingGM6046M13T24024013thicknessshallbeaccordingtoTable1.GM6046M8T969683.2.2Themaximumthicknessofcoatingwhichmaybeappliedtothreadsonthrea