?????????????????

????????GB221-2000?????漲???й?????????????ú??????????????????????????????

??????????1????

????Q195-Q195F??Q195b??Q195

????Q215-Q215AF??Q215Ab??Q215A??Q215BF??Q215Bb??Q215B

????Q235-Q235AF??Q235Ab??Q235A??Q235BF??Q235Bb??Q235B??Q235C??Q235D

????Q255-Q255A??Q255B

????Q275-Q275

??????????????????????????ù????????

??????????????????

????GB/T221-2000???????????????????????????????????????????GB/T1591-94??????????????GB70-88???????????????????γ????й???????????????????????????????????????????????????????

????1)?????????????????????

????Q295-Q295A??Q295B

????Q345-Q345A??Q345B??Q345C??Q345D??Q345E

????Q390-Q390A??Q390B??Q390C??Q390D??Q390E

????Q420-Q420A??Q420B??Q420C??Q420D??Q420E

????Q460-Q460C??Q460D??Q460E

????2)????????????????

???????????????????????????ζ???????????????????Q?????????????(??λ?MPa)?????????????β????????????????????????????磬?????????????????Q345R??????????????Q295HP????紙????????????????Q390g??????????????Q420q?????

????3)??????????????????????:

????08F??10F??15F??08??10??15??20??25??30??35??40??45??50??55??60??65??70??75??80??85??15Mn??20Mn??25Mn??30Mn??35Mn??40Mn??45Mn??50Mn??60Mn??65Mn??70Mn??31????

????4.???????и?

???????н??????????и??????????и???????и????????и???????????и????

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???????????У?Y12??Y12Pb??Y15??Y15Pb??Y20??Y30??Y35??Y40Mn??Y45Ca??9??????

????5??????

?????????????????????????????????????????????????????(д??)????????????????п????????????????????????????????

???????????У?

????20Mn2??30Mn2??35Mn2??40Mn2??45Mn2??50Mn2??20MnV??27MnSi??35MnSi??42MnSi??20SiMn 2Mo??25SiMn2MoVV??37SiMn2MoV??40B??45B??50B??40MnB??45MnB??20MnMoB??15MnVB??20MnV B??40MnVB??20MnTiB??25MntiBRE??15Cr??15CrA??20Cr??30Cr??35Cr??40Cr??45Cr??50Cr??38CrSi??12CrMo??15CrMo??20CrMo??30CrMo??30CrMoA??35CrMo??42CrMo??12CrMoV??35CrMo V??12Cr1MoV??25Cr2MoVA??25Cr2Mo1V??38CrMoAl??40CrV??50CrVA??15CrMn??20CrMn??40C rMn??20crmnsi??25CrMnsi??30crmnsi??30crmnsiA??35CrMnsia??20CrMnMo??40CrMnMo??20crmnti??40CrMnti??20CrNi??40CrNi??45CrNi??50CrNi??12CrNi2??12CrNi3??20CrNi3??30CrNi3??37CrNi3??12Cr2Ni4??20Cr2Ni4??20CrNiMo??40CrNiMoA??18crnimnmo??45CrNi MoVA??18Cr2Ni4WA????77??Cr2Ni4WA??

????6?????

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????6?????

?????????????????????????????????????????????????????????????

???????????У?65??70??85??65Mn??55Si2Mn??55Si2MnB??55SiMnVB??60Si2Mn??60Si2MnA??60 Su2CrA??60Si2Crva??55CrMnA??60CrMnA??60CrMnMoA??50CrVA??60CrMnBA??30W4Cr2VA??17?

????77????????????????????

??????????????????????????????????????H"(?????????Hardenabi lity?????????)??????У?45H??20CrH??40CrH??45CrH??40MnBH??45MnBH??20MnMoBH??20M nVBH??22MnVBH??20MntiBH??20CrMnMoH??20crMntiH??20CrNi3H??12Cr2Ni4H??20CrNiMoH??120crNiMoH 5??????

????8.?????????????

??????????????????????????????????????????????GB221-2000??????????????????????????漲???????????????????????????????????????????????????????????????????NH????Q340NH??

???????????У?16Cucrcrr??12MnCucr??15MnCucr??15MnCucr-QT(QT?????Quenching??Temperi ng????д?????????????????????????????????

????99???????????????????????

????????????????????????????????09CrPCrNi-A??09CuPCrni-B??09Cup??3??????

????10??????и?

??????????и????????45???????????????????????????е?????????????????

????????????????????????????????????????G???45????

???????????У?GCr66??GCr9??GCr9SiMn??GCr15??GCr15SiMn??5??????

????11?????и?

??????????????????и??????GSiMnV??GSiMnVXt??GSiMnMoV??GSiMnMoVXt??GMnM oV??GMnMovxt??6??????

????12????45???

???????????У?G20CrMo??G20CrNiMo??G20CrNi2Momo??G20Cr2Ni4??G10crNi3??G20Cr2Mn2Mo??6????

????13?????

??????????????á?????????????????????T?????????????????????????????????????????????????????????Mn??????????????????A????

????????????У?T7??T8??T8Mn??T9??T10??T11??T12??T13??8????

????14??????

??????????????????????????????????????????γ???????

???????????У?9Sicrr??8MnSi??Cr06??Cr2??9Cr2??W??4CrW2Si??5CrW2Si??6CrW2Si??Cr12??C12Mo1V1??Cr12MoV??Cr5Mo1V??9Mn2V??CrWMn??9CrWMn??Cr4W2MoV??6Cr4W3Mo2VNB??6W6M o5Cr4V??5CrMnmo??5CrNimo??3Cr2W8V??5cr4mo3Simnva??3Cr3Mo3W2V??5Cr4W5Mo2V??8Cr3??MnSiMoV4CrMn??4cr3Mo3Siviviv??4Cr5Mosiv??4Cr5Mosiv1??4Cr5W2VSi??7Mn15Cr2A13V2WMomm??3C r2Mo??33??????

????15?????

?????????????????????????????????????????????????и???????????????

???????????У?W18Cr4V??W18Cr4Vo5??W18Cr4V2o8??W12Cr4V5??W6Mo5Cr4V2??CW6Mo5 Cr4V2??W6Mo5Cr4V3??CW6Mo5Cr4V3??W2Mo9Cr4V2??W6Mo5Cr4V2??W7Mo4Cr4V2??W2Mo9C r4VCo8??W9Mo3Cr4V??W6Mo5Cr4V2Al??14??????

????16??????

??????????????????????????д???????????????????

????16??????

??????????????????????????д???????????????????

??????(Cr)?????????????????????????t??????13%??????е??30%???????(Ni)??????????????????????????20%?????

???????????У?1Cr17Mn6Ni5Ni5??1cr18MNNNNNNNNNNNNNNNN??1cr18Mn10Ni5Mo3??1Cr17Ni7??1Cr18Ni9??Y1 Cr18Ni9??Y1Cr18Ni9??0Cr18Ni9??00Cr19Ni10??0Cr19Ni9N??Ni190cr19Ninbnb??00Cr18Ni10N??1Cr18Ni12??0Cr23Ni13??0Cr25Ni20??0cr17Ni12mo2??Cr18Ni12MoTi??0Cr18Ni12MoTi??00cr17Ni14mo??0cr17Ni12mo2N??00cr17Ni13mo??0cr18Ni12Mo2??00cr18Ni14Mo2??0cr19Ni13Mo3??00cr19Ni13Mo3??1cr18Ni12Mo3??0cr18Ni12Moti3??0cr18Ni16mo5??1Cr 18Ni9Ti??0cr18Ni10ti??0cr18Ni1Ni??0cr18Ni9??cr18Ni13Si4??0cr26Ni5mo2??1Cr18 Ni1Si4??00cr18Ni5Mo3Si2??0Cr13Al??00Cr12??1Cr17??Y1Cr17??1Cr17Mo??00Cr30Mo2??00Cr27Mo??1Cr12??1Cr13??0Cr13??3Cr13??Y3Cr13??3Cr13Mo??4Cr13??1Cr17Ni2??7Cr17??8Cr17??9Cr18??11Cr17??Y11Cr17??9Cr18Mo??9Cr18MoV??0cr17Ni4Nu4??0cr17Ni7??0 cr15Ni7mol??0cr17Ni4Nu4??0cr17Ni7??0cr15Ni7mol??64??????

????17?????

?????????????????????????????????????????????????????????±??????????????

????17?????

?????????????????????????????????????????????????????????±??????????????????????????????????????????

???????????У?5Cr21Mn9Ni4Ni4??2Cr21Ni12N??2Cr23Ni13??2Cr23Ni20??1Cr15Ni35??0Cr15 Ni25 Ti2MoAlVB??0Cr18Ni9??0Cr23Ni13??0Cr25Ni20??0cr17Ni12mo2??4Cr14Ni14W??3Cr18Mn12Si2??2cr20mni2Ni2Ni2Ni2??0cr19Ni13Mo3??Ti918Cr18??0cr18Ni10ti??0cr18Ni1Ni??cr18Ni13Si4??1cr20Ni14Si2??1Cr25Ni20Si2??2Cr25N??0Cr13Al??00Cr12??1Cr17??1Cr5 Mo??4Cr9Si2??4Cr10Si2Mo??8Cr20Si2Ni??1Cr11MoV??1Cr12Mo??2Cr12MoVN??1Cr12WMoV??2Cr12NiMoWV??1Cr13??1Cr13Mo??2Cr13??1Cr17Ni2??1Cr1Ni2W2MoV??0cr17Ni4Nu4??0Cr1 7Ni7Al??40??????

????????????????(??????)??(????????)??(????????)?????????????9CrWMn??CrWMn??????5crmnmo??5CrNimo??4Cr5Mosiv??3Cr2W8V????????SM45??SM50??SM55??SM553Cr2Mo??????????SM5

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