Grade | C | SI | MN | P | S | NI | CU | MO | CR |
SF55 | ≤0.65 | 0.15-0.45 | 0.30-1.50 | ≤0.03 | ≤0.035 | ≤0.40 | ≤0.30 | ≤0.15 | ≤0.30 |
SF55W | ≤0.23 | 0.15-0.35 | 0.5-0.80 | ≤0.030 | ≤0.035 | ≤0.35 | ≤0.30 | ≤0.15 | ≤0.35 |
SF50 | ≤0.65 | 0.15-0.45 | 0.30-1.50 | ≤0.03 | ≤0.035 | ≤0.40 | ≤0.30 | ≤0.15 | ≤0.30 |
SF45W | ≤0.23 | 0.15-0.35 | 0.5-0.80 | ≤0.030 | ≤0.035 | ≤0.35 | ≤0.30 | ≤0.15 | ≤0.35 |
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