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:2007207209:(1972-),,,,(,046204):,,,,,,,:;;;:TD353+.47:B:100522798(2008)0120032202,,1,,,,,,,,,,,1;2;3;4;5;6;7;8;9;1011MT/T587-1996MT312-92GB5293-85GB8110-87GB9448-88:;D12mm;1000mm,2mm,2/1000,4000mm,12mm;1000mm2mm;520MPaMT312-92A,22.1GB1591-7916Mn,1,350MPa,1%3%,0.2%,,,,100150,,5116Mn()%CMnSiP0.120.201.201.600.200.600.0452.2,CO2,,,,,,2.3520MPaH08Mn2SiD1.6mm;600MPa,GHS-60D1.6mm2399©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mmin-1)/L//mm1.6250400303881215205402033.13.1.1():3.1.2,3.1.3,,,,3.1.420mm3.2,;,,,,3.3,,100150,,540,53.4,,;;;,3.5,23mm,1410mmV,,,,,50mm,4,,,,,,[:](21),,,,,,,:[1].[J].,2000(8).[2].[J].,2005(5).[:]3320081:171©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.