Surface hardened structural steel: C10 1.0301 1.0302 C15 1.0401 1.0403 1.1121 1.1141 1.1148 10NiCr5-4 1.5805 14NiCr10 1.5723 14NiCr14 15NiCr3 1.5752 14NiCr18 1.5860 16NiCr4 1.5714 16NiCrS4 1.5715 18NiCr5-4 1.5810 17CrNi6-6 1.5918 15CrNi6 1.5919 18CrNi8 1.5920 20NiCrMo2-2 1.6523 21NiCrMo2 1.6526 17NiCrMo6-4 1.6566 17NiCrMoS6-4 1.6569 20NiXrMoS6-4 1.6571 18CrNiMo7-6 1.6587 17CrNiMo6 1.6587 14NiCrMo13-4 1.6657 13Cr2 1.7012 15Cr3 1.7015 17Cr3 1.7016 17CrS3 1.7014 20Cr4 1.7027 20Crs4 1.7028 28Cr4 1.7030 28CrS4 1.7036 16MnCr5 1.7131 16MnCrS5 1.7139 20MnCr5 1.7147 20MnCrS5 1.7149 16MnCrB5 1.7060 18CrMo4 1.7243 18CrMoS4 1.7244 15CrMo5 1.7262 23CrMoB3-3 1.7271 20CrMoS2 20CrMo2 1.7311 20MoCr3 1.7320 20CrMoS3 1.7319 20MoCrS4 1.7323 25MoCr4 1.7325 25MoCrS4 1.7326 22CrMoS3-5 1.7333 

 Main products are as follows: 
 1 Sweden Assab ASSAB: 
 S136, S136H, 166,168,8402,8407,635,635 H, S7, 618,618 HH, 718,718 H, DF-2, DF-3, XW-5, XW-160, XW-41, XW-42, HSP-41, KM2 , V-4, V-10, ASP-23, ASP-30, ASP-60, ELMAX, 4140 (high-tensile steel). 
 2 Austria Bluff BOHLER: 
 K110, K100, K107, K340, M238, M300, M310, M340, M201, M202, W302, W321, K460, S390PM, S590PM, S690PM 
 3 German Sa Site SAARSTAHL: 
 GS-1.2711, GS-1.2738H, 738, GS-2688, GS-1.2316, GS-1.2316H, GS-1.2083, GS-1.2344EFS, GS-1.2344ESR, GS-1.2311, GS-1.2312, GS-1.2379, GS-1.2510, GS-1.2767. 
 4. HITACHI HITACHI: 
 SGT, SKS3, SKD11, SLD, SLD8, HPM7, HPM50, HPM38, DAC, FDAC, DAC55, SKD61. 
 5 Japan Datong DAIDO: 
 GOA, DC11, DC53, PDS5, PX88, YK30, NAK55, NAK80, PAK90, SKH9.DH2F, S-STAR (A). 
 6. U.S. Steel mold 
 P20, 420, L6, H13, A2, D2, H13, O1, S1, S7, O2, M35, M42, 3115,5120,4130. 
 7. Made of steel mold 
 S136, S136H, NAK-80, T10, T15, 45 #, Ace Steel, Cr12, Cr12Mov, D2, P20, H13, 718,718 H, A3 and so on.