Description
Semi-steel roller
| Code | AD140 I | AD160 I | AD180 | AD190 | AD200 |
| C | 1.30-1.50 | 1.50-1.70 | 1.70-1.90 | 1.80-2.00 | 1.9-2.10 |
| SI | 0.30-0.60 | 0.30-0.60 | 0.30-0.80 | 0.30-0.80 | 0.30-0.80 |
| Mn | 0.70-1.10 | 0.80-1.30 | 0.60-1.10 | 0.60-1.20 | 0.80-1.20 |
| Ni | 0.50-1.20 | ≥0.20 | 0.20-2.00 | 1.00-2.00 | 0.60-2.50 |
| Cr | 0.80-1.20 | 0.80-2.00 | 0.80-1.50 | 1.50-3.50 | 0.60-2.00 |
| Mo | 0.20-0.60 | 0.20-0.60 | 0.20-0.60 | 0.20-0.50 | 0.20-0.80 |
| Barrel hardness | 35-50 | 40-60 | 45-60 | 50-65 | 50-65 |
| Neck hardness | ≤ 60 | ≤ 50 | ≤ 50 | ≤ 50 | ≤ 50 |
| Tensile strength | 500-800 | 500-800 | 450-700 | 450-700 | 450-700 |
| Application | Bar, wire, steel, crude and rolled strip, vertical roller, roll rings, support rollers | ||||
| Barrel diameter≤1000mm Barrel length≤3000mm | |||||
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