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STANDARD BORON STEELS |
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CHEMICAL COMPOSITION |
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| AISI (SAE) | C | Mn | P (Max) | S (Max) | Si | Ni | Cr | Mo |
| 50B44 | 0.43-0.48 | 0.75-1.00 | 0.035 | 0.04 | 0.15-0.35 | -- | 0.20-0.35 | -- |
| 50B46 | 0.44-0.49 | 0.75-1.00 | 0.035 | 0.04 | 0.15-0.35 | -- | 0.20-0.35 | -- |
| 50B50 | 0.48-0.53 | 0.75-1.00 | 0.035 | 0.04 | 0.15-0.35 | -- | 0.40-0.60 | -- |
| 50B60 | 0.56-0.64 | 0.75-1.00 | 0.035 | 0.04 | 0.15-0.35 | -- | 0.40-0.60 | -- |
| 51B60 | 0.56-0.64 | 0.75-1.00 | 0.035 | 0.04 | 0.15-0.35 | -- | 0.70-0.90 | -- |
| 81B45 | 0.43-0.48 | 0.75-1.00 | 0.035 | 0.04 | 0.15-0.35 | 0.20-0.40 | 0.35-0.55 | 0.08-0.15 |
| 94B17 | 0.15-0.20 | 0.75-1.00 | 0.035 | 0.04 | 0.15-0.35 | 0.30-0.60 | 0.30-0.50 | 0.08-0.15 |
| 94B30 | 0.28-0.23 | 0.75-1.00 | 0.035 | 0.04 | 0.15-0.35 | 0.30-0.60 | 0.30-0.50 | 0.08-0.15 |
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