SS UNI UNE JIS GOST C 75 75 1655 C 55 F.1150-C 55 K S 55 C 55 C 55 F.1155-C 55K-1 1665 C 60 S 58 C 60 1678 60G, 60GA 1770 C70 65GA 68GA , 70 774 C 75 75(A) C 90 85(A) 1870 C 100 F-5117 SUP 4 2223 FE70-2 51 CrMoV 4 1312 Fe37-3 1330 2172 Fe 52 F-431 2085 55Si8 56Si7 2090 60SiCr8 60SiCr8 100Cr6 2092 105WCR 5 107CrV3KU 35 cRmO 8 KU 2234 35CrMo4 34CrMo4 SCM435TK 2140 10WCr6 105WCr5 ChWG 2140 10WCr6 105WCr5 SKS31 2710 45 WCrV8 KU 45WCrSi8 5ChW25F 2710 58WCr9KU F.520.S SKT4 5ChNM 2550 f-528 2258 100Cr6 F.1310 - 100 Cr 6 SUJ2 SchCh 15 F. 1451 - 46 SI 7 H13