Bainite ductile cast iron roll
| Code | SGA I | SGA II |
| C | 3.00-3.40 | 3.00-3.40 |
| SI | 1.20-2.20 | 1.00-2.00 |
| Mn | 0.40-0.80 | 0.40-0.80 |
| Ni | 3.01-3.50 | 3.51-4.50 |
| Cr | 0.20-0.80 | 0.20-1.00 |
| Mo | 0.50-1.00 | 0.50-1.00 |
| Mg | ≥0.04 | ≥0.04 |
| Barrel hardness | 55-78 | 60-80 |
| Neck hardness | 32-45 | 32-45 |
| Tensile strength | >350 | >350 |
| Application |
Beam, bar, wire rod mill rough rolling, the rolling, prefinishing mill stand; seamless steel pipe mill reducing rack set |
|
| Barrel diameter≤1000mm Barrel length≤3000mm | ||
Đăng ký tài khoản
Đăng nhập tài khoản