Alloy ductile iron roll
These rolling rolls are characterized by spherical graphite, and their mechanical properties are similar to those of alloy fixed cooling rolling rolls, except that their strength is higher than the latter. They can be generated through static electricity
Parameter details
Chemical Composition%
| Model | Carbon | Silicon | Manganese | Chromium | Nickel | Molybdenum | Magnesium |
| SGⅡ | 2.90-3.60 | 0.80-2.50 | 0.40-1.20 | 0.20-0.60 | - | 0.20-0.60 | ≥0.04 |
| SGIV | 2.90-3.60 | 0.80-2.50 | 0.40-1.20 | 0.20-0.60 | 0.50-1.00 | 0.20-0.60 | ≥0.04 |
| SGV | 2.90-3.60 | 0.80-2.50 | 0.40-1.20 | 0.30-1.20 | 1.01-2.00 | 0.20-0.60 | ≥0.04 |
Advantages and Applications
| Model | Harness （HSD） | Tensile strength （MPa） | Bending strength （MPa） | Size （mm） | Unit (KGS) | Application |
| SGⅡ | 50-70 | ≥320 | 500-700 | Φ300-1300 | 500-35000 | Rolls used for light profile rolling mills, bar and wire rolling mills, hot-rolled narrow strip steel rolling mills, and flat finishing mill stands. |
| SGIV | 55-70 | ≥320 | 500-700 | |||
| SGV | 60-70 | ≥320 | 600-800 |