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| CAST | UNS # | WROUGHT | ASTM | C | Mn | Si | P | S | Cr | Ni | Other Elements | Tensile (ksi) | Yield (ksi) | Elongation (%) | Reduction of Area (%) | Hardness (Brinell b) |
| ILLIUM 3 | R30103 | Stellite 3 | --- | 2.25 - 2.7 | 1.00 | 1.00 | --- | --- | 29.0 - 32.0 | 3.00 | W 11.5 -13.5, Fe 3.0 | --- | --- | --- | --- | --- |
| ILLIUM 6 | R30006 | Stellite 6 | AMS 5373 | 0.9 -1.4 | 1.00 | 1.50 | 0.04 | 0.03 | 27.0 - 31.0 | 3.00 | Mo 1.5, W 3.5 - 5.5, Fe 3.0 | --- | --- | --- | --- | 400 |
| ILLIUM 21 | R30021 | Stellite 21 | AMS 5385 | 0.2 - 0.3 | 1.00 | 1.00 | 0.04 | 0.04 | 25.0 - 29.0 | 1.75 - 3.75 | Mo 5.0 - 6.0, B 0.007, Fe 3.0 | --- | --- | --- | --- | 275 |
| ILLIUM 31 | R30031 | Stellite 31 | AMS 5382 | 0.45 - 0.6 | 1.00 | 1.00 | 0.04 | 0.04 | 23.0 - 28.0 | 9.0 -12.0 | W 6.0 - 9.0, Fe 2.0 | --- | --- | --- | --- | 255 |