| Kipengele | Ni +Co | Cr | Nb | Ti | C | Mn | Si | Cu | Al | S | Chuma |
| Muundo wa Kemikali (%) | 70% Dakika | 14%-17% | 0.7%-1.2% | 2.25%-2.75% | Upeo wa 0.08%. | 1% ya juu | 0.5% ya juu | 0.30% ya juu | 0.4%-1.0% | Upeo wa 0.01%. | 5%-9% |
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