| Classification |
Kind |
Hardness (HRC) |
Main Chemical composition |
| S |
S-6 | 60 |
Ni-17Cr-3B-4Si-1C |
| S-6E |
56 |
Ni-15Cr-3B-4Si-0^7C |
| S-6M |
57 |
Ni-16Cr-3B-4Si-3Mo-2Cu |
| S-5 |
50 |
Ni-14Cr-2B-4Si-0^7C |
| S-4 |
40 |
Ni-10Cr-2B-2Si-0^4C |
| S-3G |
30 |
Ni-10Cr-2B-2Si |
| S-12W |
64 |
Ni-18Cr-12W-3B-4S-1C |
| SC |
SC-4 |
43 |
Co-19Cr-7W-2B-3Si-13Ni |
| SC-5 |
50 |
Co-19Cr-9W-2B-3Si-13Ni |
| SC-5A |
50 |
Co-18Cr-6W-3B-3Si-20Ni |
| SC-6 |
60 |
Co-19Cr-15W-3B-3Si-13Ni |
| SC-55 |
55 |
Co-19Cr-13W-3B-3Si-13Ni |
| SWC |
SWC-35 |
58 |
WC(35%)+Classification‘S’ |
| SWC-50 |
WC(50%)+Classification‘S’ |
| SWC-80 |
WC(80%)+Classification‘S’ |