国内外常用钢钢号对照表钢号中国前苏联美国英国日本法国 GBГ О С ТASTMBSJISNF08F08К П1006040A04S09CK优08081008045M10S9CK10F1010040A10XC1010101010,1012045M10S10CXC10质15151015095M15S15CXC1220201020050A20S20CXC1825251025S25C碳30301030060A30S30CXC3235351035060A35S35CXC38TS40401040080A40S40CXC38H1素45451045080M46S45CXC4550501050060A52S50CXC48TS结55551055070M55S55CXC5560601060080A62S58CXC5515Mn15Г1016,1115080A17SB46XC12构20Mn20Г1021,1022080A20XC1830Mn30Г1030,1033080A32S30CXC3240Mn40Г1036,1040080A40S40C40M5钢45Mn45Г1043,1045080A47S45C50Mn50Г1050,1052030A52S53CXC48080M5020Mn220Г 21320,1321150M19SMn42030Mn230Г 21330150M28 SMn433H32M5合35Mn235Г 21335150M36 SMn438(H)35M540Mn240Г 21340SMn44340M545Mn245Г 21345SMn443金50Mn250Г 2~55M520MnV35SiMn35CГEn46结42SiMn35CГEn4640BTS14B3545B50B46H构40MnB50B4045MnB50B4415Cr15X5115523M15 SCr415(H)12C3钢20C