60Mn 65Mn 70Mn高錳鋼碳素結(jié)構(gòu)鋼:08F U20080 10F U20100 15F U20150 08 U20082 10 U20102 15 U20152 20 U20202 25 U20252 30 U20302 35 U20352 40 U20402 45 U20452 50 U20502 55 U20552 60 U20602 65 U20652 70 U20702 75 U20752 80 U20802 85 U20852 15Mn U21152 20Mn U21202 25Mn U21252 30Mn U21302 35Mn U21352 40Mn U21402 45Mn U21452 50Mn U21502 60Mn U21602 65Mn U21652 70Mn U21702 非調(diào)質(zhì)機械結(jié)構(gòu)鋼：YF35V L22358 YF40V L22408 YF45V L22468 YF35MnV L27358 YF40MnV L22428 YF45MnV L22478 合金結(jié)構(gòu)鋼：20Mn2 A00202 30Mn2 A00302 35Mn2 A00352 40Mn2 A00402 45Mn2 A00452 50Mn2 A00502 20MnV A01202 27SiMn A10272 35SiMn A10352 42SiMn A10422 20SiMn2MoV A14202 25SiMn2MoV A14262 37SiMn2MoV A14372 40B A70402 45B A70452 50B A70502 40MnB A71402 45MnB A71452 20MnMoB A72202 15MnVB A73152 20MnVB A73202 40MnVB A73402 20MnTiB A74202 25MnTiBRE A74252 15Cr A20152 15CrA A20153 20Cr A20202 30Cr A20302 35Cr A20352 40Cr A20402 45Cr A20452 50Cr A20502 38CrSi A21382 12CrMo A30152 15CrMO A30152 20CrMo A30202 30CrMo A30302 30CrMoA A30303 35CrMo A30352 42CrMo