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1、不锈钢区别（Stainlesssteeldifference）Type302-304withcorrosionresistance,duetotherelativelyhighcarbonintensity.Model303-byaddingasmallamountofsulfurandphosphorus,itiseasiertoprocessthan304.Model304-generalmodel:18/8stainlesssteel.GBis0Cr18Ni9.Model309-bettertemperatureresistancethan3
2、04.Model316-after304,thesecondmostwidelyusedsteelgradesaremainlyusedinthefoodindustryandsurgicalequipment,addingmolybdenumelementstoobtainaspecialstructureofcorrosionresistance.Becauseofitsbetterchloridecorrosionresistancethan304,itisalsousedas"shipsteel".SS316isusuallyusedinn
3、uclearfuelrecoverydevices.Grade18/10stainlesssteelisalsoinlinewiththisapplicationlevel.[1]Model321-exceptfortheriskofcorrosionoftheweldmaterialduetotheadditionoftitanium,otherpropertiesaresimilarto304.400seriesferriticstainlesssteelandmartensiticstainlesssteelModel408-goodheat
4、resistance,weakcorrosionresistance,11%Cr,8%Ni.Model409-thecheapestmodel(YingMei),usuallyusedasanautomotiveexhaustpipe,isaferriticstainlesssteel(GeGang).410typesofmartensite(highstrengthsteel),goodwearresistance,corrosionresistanceispoor.Model416-addingsulfurimprovesthemachinab
5、ilityofthematerial.Type420-"cuttingclass"martensiticsteel,similartoBrandt'sfirsthighchromiumstainlesssteelthis.It'salsousedinsurgicaltools,anditcanbeverybright.Model430-ferriticstainlesssteel,fordecorativepurposes,suchasautomotiveaccessories.Goodformability,butlowtemperaturere
6、sistanceandcorrosionresistance.Type440-highstrengthcuttingtoolsteel,carbonisslightlyhigher,afterappropriateheattreatmenttoobtainahigheryieldstrengthandhardnesscanreach58HRC,whichbelongstothemosthardstainlesssteelcolumn.Themostcommonexampleofapplicationisrazorblades".Thereareth
7、reetypesofcommonlyusedmodels:440A,440B,440C,and440F.500seriesheatresistantchromiumalloysteel.600seriesmartensiticprecipitationhardeningstainlesssteel.Model630-themostcommonlyusedprecipitationhardeningstainlesssteelmodel,usuallyalsocalled17-4;17%Cr,4%Ni.301stainlesssteelband304
8、DDQstainlesssteelbandwiththemosthardness,tensileandcorrosionr
