| CH5C |
This steel is designed for work & back up roll with a combination of high strength and toughness.
Composition:
| Sn | Ni | Cu | V | Mo | Cr | S | P | Mn | Si | C |
| — | — | — | 0.21 | 0.46 | 5.05 | — | — | 0.35 | 0.22 | 0.47 |
| 0.020 | 0.40 | 0.25 | 0.24 | 0.49 | 5.15 | 0.005 | 0.010 | 0.45 | 0.28 | 0.50 |
Hot working:
Forging temperature range: 1150-850℃
Note: Heat to 1180 ℃. Do not forge below 850.
Heat treatment:
| annealing ℃ | Surface ardening temperature ℃ | Tempering temperature ℃ |
| 680-730 | 980-1020 | 510-600 |
Main application:
Work & back up roll
Shape of product:
Round, flat, step shape, ring, disc, shaft, other shape depend on customer needs