| Element | Ni +Co | Cr | Nb | Ti | C | Mn | Si | Cu | Al | S | Ħadid |
| Kompożizzjoni Kimika (%) | 70% Minimu | 14%-17% | 0.7%-1.2% | 2.25%-2.75% | 0.08% massimu | 1% massimu | 0.5% massimu | 0.30% massimu | 0.4%-1.0% | 0.01% massimu | 5%-9% |
150 0000 2421