| Elemene | Ni +Co | Cr | Nb | Ti | C | Mn | Si | Cu | Al | S | Uamea |
| Tulaga Fa'ainumera (%) | 70% Min | 14%-17% | 0.7%-1.2% | 2.25%-2.75% | 0.08% maualuga | 1% maualuga | 0.5% maualuga | 0.30% maualuga | 0.4%-1.0% | 0.01% maualuga | 5%-9% |
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