日期:2011-11-23 09:36
54CrNi系奥氏体抗氧化钢390
5411Cr18Ni9Ti390
5421Cr23Ni13392
5432Cr21Ni12N394
5441Cr25Ni20Si2395
545Superterm397
55CrMnNiN系奥氏体抗氧化钢400
5515Cr21Mn9Ni4N400
5522Cr20Mn9Ni2Si2N402
5533Cr18Mn12Si2N404
56低合金热强钢406
56115CrMo406
56210Cr225Mo1408
56312Cr1MoV410
56412MoVWBSiRE414
56512Cr2MoWVTiB416
56612Cr3MoVSiTiB419
57中合金（5%～12%Cr）热强钢422
5711Cr5Mo422
57210Cr9Mo1VNb(T91)424
5731