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 |
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