Pearlitic Ductile Iron Roll III (SGPIII) can provide high-precision rolling to ensure the dimensional accuracy and surface quality of rolled products. SGPIII rolls have good wear resistance and can withstand the friction and wear of metal blanks during high-speed rolling, extending the service life of the rolls. SGPIII rolls can maintain good hardness and shape stability at high temperatures, ensuring the dimensional accuracy of rolled products. Pearlitic Ductile Iron rollers III (SGPIII) can improve the production efficiency of the finishing mill, and reduce downtime during the production process and the frequency of roll replacement, thereby reducing production costs. SGPIII rolls are suitable for various finishing mills and can meet the rolling needs of metal billets of different sizes and materials. Very cost effective.
Hardness HSD: 62-72
Nickel composition %: 2.51-3.0
Suitable for racks: Refined and rolled
| Chemical Composition% | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Symbol | C | Si | Mn | P | S | Cr | Ni | Mo | Mg |
| SGPⅠ | 2.90-3.60 | 1.40-2.20 | 0.40-1.00 | ≤0.15 | ≤0.03 | 0.10-0.60 | 1.50-2.00 | 0.20-0.80 | ≥0.04 |
| SGPⅡ | 2.90-3.60 | 1.20-2.00 | 0.40-1.00 | ≤0.15 | ≤0.03 | 0.20-1.00 | 2.01-2.50 | 0.20-0.80 | ≥0.04 |
| SGPⅢ | 2.90-3.60 | 1.00-2.00 | 0.40-1.00 | ≤0.15 | ≤0.03 | 0.20-1.20 | 2.51-3.00 | 0.20-0.80 | ≥0.04 |
| Prosperities & Application | |||||||
|---|---|---|---|---|---|---|---|
| Symbol | Hardness | Tensile Strength | Dimension | Application | |||
| HSD | MPa | MM | |||||
| SGPⅠ | 45-55 | ≥450 | ￠300-1350 | Roughing and slabbing mills; large, medium section mills, wire mills, and narrow strip mills. | |||
| SGPⅡ | 55-65 | ≥450 | |||||
| SGPⅢ | 62-72 | ≥450 | |||||
