310S不锈钢
Theausteniticstainlesssteel310S(UNSS31008/AISI310S)hasabout25%Cr,0,6%Siand20%Ni.Thisgradeisknownforitsbehaviorofcorrosionresistanceathightemperature.Theadditionsofcarbonareoptimizedinordertoimproveitscreepdeformationresistance.Thesteelcaneasilybewelded.AISI310Sisprojectedforhightemperatureapplications,upto1100°C,inoxidatingatmospheres.
310Sstainlesssteelchemicalcomposition%:
C(max):0.08,Mn(max):2.00,P(max):0.045,S(max):0.030,Si(max):1.50,Cr:24.0-26.0,Ni:19.0-22.0
310Sstainlesssteelmechanicalproperties:
Tensilestrength(min):515Mpa,Yieldstrength(min):205Mpa,Elongationin2in.or50mm,min,%:40,Hardness:HB(max):217,HRB(max):95
310Sstainlesssteelapplication:
GradeAISI310Sismainlyusedathightemperatureduetoitscorrosionresistance.ThetypicalworkingtemperaturesforanatmospherewithmaximumSulfurcontentof2g/m3are1050℃(continuousservice)and1100℃(peaktemperature).Sulfurcontentshigherthan2g/m3decreasemaximumtemperatureto950℃.
Afteralongperiodofexposuretohightemperature,grade310Scanbesusceptibletointergranularcorrosionduetoprecipitationofchromiumcarbides.Anyway,thisgradeisresistanttoelectrochemicalcorrosionduetoitshighcontentofchromiumandnickel.
310Sstainlesssteelwelding:
Grade310Scanbeweldedusingthemajorityofweldingprocesses:TIG,MIG,plasma,submergedarc,coatedelectrodeandtubularwire.TheelectrodesAWS/ASMEE310-15orwiresAWS/ASMEER310arecommonlyused.Fortheweldingofthefinishingpass,theuseofAWS/ASMEE309-15orwiresAWS/ASMEER309isrecommended.Ifthefluidityoftheweldpoolisaproblem,theuseoffillermetalswithsilicon(ER309LSiorER309Si)arerecommended.
Themechanicalpropertiesoftheweldedjointsareimprovedforprocessesofsubmergedarcweldingusingbasicflowandforprocesseswithargonshieldinggas.
HenanbeboninternationalCo.,Ltdisaprofessional310Sstainlesssteelsupplier.Wecanprovidehighquality310Sstainlesssteelgoodswiththemostcompetitivepriceforyou.Ifyouhaveanyneedfor310Sstainlesssteel,pleasecontactwithus!
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