结构钢牌号如下:
AF34C10 AF37C12 AF42C20 AF50C30 AF50S AF55C35 AF65C40 C40RR C45RR C50RR C60RR C68RR C75RR C90RR C100RR C125RR 15CR2RR 16MnCr5RR 20MnB5RR 25B30RR 25Mn4RR 30MnB5RR
C10E C10RC15E C15R C16E C16R 10NiCr5-4 14NiCr13-4 15NiCr3 16MnCr5
16MnCrB5 16MnCrS5 16NiCr4 16NiCrS4 17Cr3 17CrNi6-6 17CrS3 17NiCrMo6-4 17NiCrMoS6-4 18CrMo4 18CrMoS4 18CrNiMo7-6 18NiCr6-4
20MnCr5 20MnCrS5 20MoCr3 20MoCr4 20MoCrS3 20MoCrS4 20NiCrMoS2-2
