Research Article
Improving Thin Strip Profile Using Work Roll Cross and Work Roll Shifting Methods in Cold Strip Rolling
Table 1
Work roll and backup roll specifications.
| Material of work roll and backup roll | Grade | CDH25 |
| C | 0.90 | Sil | 0.55 | Mn | 0.45 | P | 0.012 | S | 0.003 | Ni | 0.15 | Cr | 3.19 | Mo | 0.26 | Cu | 0.25 | V | 0.009 |
| Induction hardening, cryogenic treatment, and surface condition |
| Hardness | HRC 65 | Depth of heat treatment layer | >1.0 mm, heat treatment is conducted after roll groove is machined | Work roll and backup roll surface roughness | 0.2 μm |
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