Steel No. | process | Chemical composition, Wt% | |||||||
C | Si | Cr | Mo | Co | V | W | Nb | ||
HSS-Nb IF | IF | 1.22 | 0.452 | 4.02 | 4.52 | 5.04 | 2.03 | 6.13 | 0.71 |
HSS-Nb 1 | ESR1 | 1.07 | 0.323 | 3.73 | 4.19 | 4.98 | 1.83 | 6.08 | 0.677 |
HSS-Nb 2 | ESR2 | 0.98 | 0.252 | 3.78 | 4.24 | 5.04 | 1.85 | 6.03 | 0.639 |
HSS-Nb 3 | ESR3 | 1.12 | 0.452 | 3.83 | 4.28 | 5.15 | 1.9 | 6.04 | 0.685 |