:100225855(2008)0320015204:(1976-),,,1,2(11,110026;21,110142),;;;;:TG142171:AAusteniticstainlesssteelusedforcryogenicvalveLIANGJing1,LIANGXu2fa2(11ShenyangEquipmentManufactureEngineeringSchool,Shenyang110026,China;21ShenyangShengshiHighandMediumPressurevalveCo.,Ltd,Shenyang110142,China)Abstract:Analyzesthekeypointsofmaterialselectionforcryogenicvalve,introducestheproperties,selectingandprocessingofausteniticstainlesssteel.Keywords:cryogenicvalve;materialselection;austeniticstainlesssteel;properties;subzerotreat2ment1,,,2211,,,-270,()-272-153-150,-100,-100100,212,,,,(1),,,,,(2),,,,5120083(3),,,(),,(4),(Co-Cr-W),(),,,,,9%-196,,3311,,Cr-Ni,300(1),F304F304LF316F316L,(),,F3101Wt%CCrNiMnPSSiMoNb+TaTiF30401080181020108101110210001045010301100F304L01030181020108101310210001045010301100F310012502410261019102210210001045010301100F31601080161018101010141021000104501030110021003100F316L01030161018101010151021000104501030110021003100F321010801710191091012102100010450103011005C0170F3470108017101910910131021000104501030110010C111:F304F304LF316F316LN0110%1-254,,SUS304LSUS316L(F304LF316L)-269,SUS304SUS316(F304F316)-254,SUS304SUS316,,312,(2),,,,,,,,,,,,(),(3),27J(97/23/EC),313,,,,ASTMA351CF6120083(4)4ASTMA351JISG5121()JISB8243ANSIB3113CF8SCS13A-196-254CF8MSCS14A-196-254CF3SCS19A-196-254CF3MSCS16A-196-254CF8CSCS21-196-198314Cr-Mn-NCr-Mn-N,03Cr13Ni5NMn19(-253)07Cr21Mn7Ni5N(-269)Cr-Ni,Cr-Mn-N-Mn,,Cr-Mn-N4411,,,,TiNb,,,,,,,,,412Cr-Ni,(),MsMsMs,,,,,7120083(),Ms,,,(),,12h,,,,5,-196,,,,1.M.:,1991.2,,.M.:,2004.3.M.:,2003.4.M.:,1983.5.J.,1992(1).6,.J.,1984(3).7ASTMA182/A182M-2005,S.(:2007112128)(12)QT,NQT=dFbTpdF,mmM2,NmM2,5,1.M.:,1992.2,.M.:,1994.(:2007112127)(14)n1=n+2H0H0=nt+115dt,mm5,,,,,,,(),,DN140011M1:,1992.21M1:,2001.(:2007109127)8120083