不锈钢钢种发展的一些动向_薄鑫涛

(,200940):,,Mn2N,,,,:;;:TG142.71:A:100821690(2007)04200052005DevelopmentTrendofStainlessSteelsBOXin2tao(SpecialSteelBranch,BaoshanIron&SteelCo.,Shanghai200940)Abstract:Itwasbrieflysummarizedthatthedevelopmenttrendofstainlesssteels,whichincludestheevolutionofausteniticstainlesssteelandsomenewdevelopmentsuchasstainlesssteelcontainingnitrogenreplacingcarbon,Mn2Nseriesstainlesssteel,superferriticstainlesssteel,superausteniticstainlesssteel,supermartensiticstainlesssteelandantibacterialstainlesssteel.KeyWords:developmentofstainlesssteel;stainlesssteelsort;nitrogen2havingstainlesssteel20,,300[1],20907.4%2001,20042005:2006207228:(1941-),,,,,:021-260327987()()Fig.7Sketchmapoftransformfromfail(failure)tosuccess(safe)(2),(3)(),,(4),[1],,.[M].:,2006:129.[2],,,.,[Z].30,2006,6.[3],,.[Z].,2005,5.52007224447522[2],25%1,(1)1,:1A2;F2;M2Fig.1StructurediagramofstainlesssteelsA2austeniteF2ferriteM2martensiteCreq=Cr%+Mo%+0.5(Si+Ti)%+0.5Nb%+3A1%+5v%:Nieq=Ni%+30(C+N)%+0.5Mn%+0.33Cu%(),2,1,Mn2N;2(AISI300)3,70%,65%,1Table1Gradesandpropertiesofpartialandnormalstainlesssteels()Cr1Cr132Cr133Cr134Cr139Cr18(Mo)Cr2Ni1Cr17Ni22Cr13Ni2,,0Cr17(Mo)0Cr281Cr171Cr17Ti,(,475,)1Cr18Ni9(Ti)0Cr18Ni9Cu30Cr17Ni12Mo20Cr25Ni20,,,,200Cr22Ni6Mo3N,,,0Cr17Ni7A1(1727PH)0Cr17Ni4Cu4Nb(1724PH),(,),(CN),:3AISI(,,C0.15%),,,,,,(2%1%,),,,,62007224,,(0.0251),1Cr17Mn6Ni5N(201)(TiCNbC),,1Cr18Ni9Ti(321),(),,0Cr18Ni13Mo3(317),,0Cr18Ni9Cu2,,0Cr18Ni9Si3(302),,,Y1Cr18Ni9(303),,,,,,0Cr17Ni7Al,1Cr18Ni9Ti(321),(),C0.03%,TiNb,TiCNbC,Cr23C6,(),1Cr18Ni9Ti1Cr18Ni9Ti,,,,,TiNTiO2,,,[3],AOD(2)VOD(),(C0.03%),TiNb,[1]3,20,,,240MPa,1.2%900MPa,2.1%1015MPa,400%,[4],,,[3]:(1)(),,(2)(3),Ni(1kgN=622kgNi),,,(4)(5),:PRE=Cr%+3.3Mo%+16N%0Cr18Ni9N(304N)0Cr17Ni12Mo2N(316N),N0.08%0.12%0.06%0.12%,3043160.35N%0.46N%,0.7N%[3](Ni),,2:(1)23Cr24Ni20.1NMo,PRE25;(2)22Cr25Ni23Mo20.17N,PRE35;(3)25Cr,MoN,PRE3039;(4)25Cr27Ni23.7Mo22.7N,PRE40N0.20%(),0.25N%20.35N%()[5]4Cr2Mn2Ni2N(AISI)Ni,Mn2NNi72007224,Cr2Mn2Ni2N,,1Cr17Mn6Ni5N(201)00Cr17Mn6Ni4N(201L)1Cr18Mn8Ni5N(202)00Cr16Mn8Ni3N(204L)2Cr17Mn15Ni2N(205),,,200,,8001100MPa;,;,:(1),,,0Cr18Mn8Ni5N(204)(2)MoNb,0Cr20Mn8Ni6Mo2N(216)(3)Cu,0Cr17Mn6Ni5Cu2N(211)YGA201,2,,,,[6],NiFe217Cr214Mn22Mo2(0.40.5)N[7],Ni,,,Ni2YGA201(,%)Table2ChemicalcompostionofYGA201austeniticstainlesssteel(wt%)CMnSiNiCrCuSPN0.1005.009.500.300.803.505.5016.0019.001.02.00.0500.0400.20,5(AISI400),,;,,(),,0Cr18Ni9(304)400,,,,TiNbZrTa,CuAlV,,(C+N)%4,:(C+N)0.03%,0Cr;0.03%,00Cr;0.02%,000Cr;0.01%,0000Cr000Cr18Mo2Ti000Cr30Mo2[1]400(TCS400)(410L00Cr12)(436L)(444)[2,8,9]6CrMoN,6Mo%(254SMoC0.02%,20Cr%,18Ni%,6Mo%,0.6Cu%),(254SMoPRE45.8),,,,115012007,,,8200722413Cr%17Cr%C(C0.03%0.025%)(S0.01%0.005%),(4Ni%6.5Ni%)(2.5Mo%),,CO2H2S,,,,,332(,%)Table3Gradesandchemicalcompositionsoftwotypicalmartensiticstainlesssteels(wt%)CMnSiCrNiMoCuNVHP13Cr0.030.40.3134.01-0.05-1225220.020.50.212.25.520.20.020.28,(Cu)(),,,,,:1.5Cu%,3Cu%,3.8Cu%,,,2Cu,,2Cu,,100%,99%2Cu,,,2Cu,4[1]4(,%)Table4Chemicalcompositionofantibacterialstainlesssteels(wt%)CSiMnCrNiCuNNSSAM10.010.300.2017.0-1.50.01FNSSAM20.300.500.5013.0-3.00.02MNSSAM30.040.501.8018.09.03.80.03A[10],2005[2]9,,,,,,,,,[1],.[M].:,2005:565.[2].[A].[C].:,2006:3102316.[3],.[A].[C].,2004:1212.[4]U..(),.[M].:,2006:9.[5],.[J].,2006,(4):36238.[6],.Cr2Mn2Ni2Cu2NYGA201[J].,2006,(4):14215.[7]YangKa.Research&DevelopmentofHighNitrogenMedicalGradeAusteniticstainlesssteel[A].[C].,2006:2772281.[8].[J].,2006,(3):35238.[9]JiangZhouhua,.UltraPurityFerricStainlessSteel2Grades,Re2finingOperators.andApplications[A].[C].:,2006:2322238.[10]YangKa..StudyandApplicationProspectonAutibacterialStainlessSteel[A].[C].:,2006:2822286.92007224