молибдена стержней и бары

1.Theappearanceareclassifiedintosub-forgingmolybdenumrodandpolishedmolybdenumrod.Sub-forgingmolybdenumrod'ssurfaceallowsmildoxidativeseeandforgingmarks;polishedmolybdenumrod'ssurfaceisofmetalliclusterandnosignificantoxidation. 2. Appearance:Divideforgingmolybdenumrodandpolishedmolybdenumrod;Forgingmolybdenumfodsurfaceisallowedtohaveoxidizefilmandslightforginghammermark;Polishedmolybdenumrodsurfacepresentsmetalliclusterandhasnooxidizedphenomenonnotably;Thetwosurfaceshavenodefects,suchasdividedlayer,crackle,burrandverticalcrackle,etc. PurityMo>=99.95% Dimension16>Φ>0.8×L(mm).ThedeviationofdiameterandlengthareconsultedbybothpartiesaccordingtoGB4188-84standardoruser’sdemand. Impuritycontentmax% Grade Fe Ni Al Si Mg C N O Mo-1 0.010 0.005 0.002 0.010 0.002 0.010 0.003 0.008 Mo-2 0.010 0.005 0.005 0.010 0.005 0.010 0.003 0.020 . 3.Use GMPM.1isforthemanufactureofelectricvacuumparts,rod,electrode,exportlines,heatingandotherelectroniccomponents.GMHI.M,2,GMHYM.3isforthemanufactureoftubes,electriclightLeadstrut,siderods,corelines. 4.Specificationandtoleranceforgingmolybdenumrodpolishedmolybdenumrodmm Item specification standard ApplicationArea Mosheet/plate 1-30×100-600MM×L GB3876/ASTMB386-91 meltingpoint2617°C density;10.2g/cm3 vacuumcoating; all-electricmeltingandelectricboostingglasskiln,alsoinrare-earthindustry. Mofoil/strip (0.03-0.09)×300×L GB3876/ASTMB386-91 TZMplate (0.7-20)×(60-600)*1200(mm). GB/T3876-2007. Molybdenumelectrodeplate GB/T3876-2007 Mobar (Φ3-Φ130)×L Q/XY1202-2002GB4188-84/ASTM Molybdenumelectrodebar (Φ16-Φ120)×2000(mm). GB/T17792-1999 TZMrod (Φ10-Φ20)×L100-2600MM ASTMB387-90 5.ThechemicalcompositioniscarriedoutaccordingtothenationalstandardGB,T3462-2007"Mo,MoandMoslab"ofthetechnicalrequirementsforimplementation. Indexmainfeaturesareasfollows: Cardnumber IndexNameGMPM.1GMHLM.2GMHYM.3 MaincontentM.%≥9990≥9945≥9945 RE%January1101-0501-05 Impuritiesin%(01(005(005 W%≤001≤001≤001 Variousotherimpurities%≤0005≤0005≤0005 GMHI.M.12,GMHYM.3isahightemperaturerareearthlanthanum,yttriummolybdenum,andrareearthelementsdonotaccountforimpurities. 6.Packaging Eachbeamiscomposedofthemolybdenumrodsofthesamegrade,batchcompositionandspecification.3-5partsaretiedbysoftplasticropesorwiresandthenarewrappedbymoisture-proofpaper.AtlasttheyarepackagedinwoodenorcardboardboxeswithVibrationisolationfoamplacedin.Iftherearespecialrequirements,bothsidescannegotiate. 7.Duringstorageandtransportation,molybdenumrodshouldbeprotectedfrommoistureandviolentcollision.Productsshouldbestoredinaventilatedanddryacid-freeatmospheretopreventoxidation.Storagehadbetternotbemorethan6months. Black-Surfaceis"asswaged"or"asdrawn";retainingacoatingofprocessinglubricantsandoxides. Ground-Surfaceisprocessedbygrindingmachinetoremoveallcoatingandtoachieveprecisediametercontrol. Mainapplication:mainlyusedforelectricvacuumcomponentsandelectriclightsourceparts