Description
Alloy cast steel rolls
| Code | AS60 | AS60 I | AS65 I | AS70 | AS70 I | AS70 II | AS75 | AS75 I |
| C | 0.55-0.65 | 0.55-0.65 | 0.60-0.70 | 0.65-0.75 | 0.65-0.75 | 0.65-0.75 | 0.70-0.80 | 0.70-0.80 |
| SI | 0.20-0.45 | 0.20-0.60 | 0.20-0.60 | 0.20-0.45 | 0.20-0.45 | 0.20-0.45 | 0.20-0.45 | 0.20-0.70 |
| Mn | 0.90-1.20 | 0.50-1.00 | 0.50-0.80 | 0.80-1.40 | 1.40-1.80 | 1.40-1.80 | 0.60-0.90 | 0.70-1.10 |
| Ni | 0.20-1.50 | 0.20-0.50 | ≥0.20 | |||||
| Cr | 0.80-1.20 | 0.80-1.20 | 0.80-1.20 | 0.75-1.00 | 0.80-1.50 | |||
| Mo | 0.20-0.45 | 0.20-0.60 | 0.20-0.45 | 0.20-0.45 | 0.20-0.45 | 0.20-0.60 | ||
| Barrel hardness | 35-50 | 35-45 | 35-45 | 32-42 | 35-45 | 35-45 | 35-50 | 35-50 |
| Neck hardness | ≤45 | ≤45 | ≤45 | ≤45 | ≤45 | ≤45 | ≤45 | ≤45 |
| Tensile strength | >650 | >750 | >750 | >650 | >680 | >700 | >700 | >800 |
| Application | Bar,wire,strip,steel rough rolling,narrow steel support rollers | |||||||
| barrel diameter≤1000mm,barrel length≤3000mm | ||||||||
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