| Cobalt Base |
| Cast Alloy Designation | ILLIUM 31 | | UNS Number | R30031 |
| | Comparable Wrought Alloy | Stellite 31 | | Applicable ASTM Spec | AMS 5382 |
|
|
| Chemical Composition |
| C | 0.45 - 0.60 | | Mn | 1 | | Si | 1 | | P | 0.04 | | S | 0.04 | | Cr | 23.0 - 28.0 |
| | Ni | 9.0 -12.0 | | Mo | --- | | Fe | 2.0 | | Cu | --- | | Other | W 6.0 - 9.0 |
|
|
| Mechanical Properties |
| Tensile (ksi) | --- | | Yield (ksi) | --- | | Elongation (%) | --- |
| | Reduction of area (%) | --- | | Hardness (Brinell) | 255 |
|
|
| Notes |
| All single values are maximums unless noted otherwise.
Brinell hardness values and ranges represent typicals for the grade. |
| More Info |
| Weldable | No |
| Castability | Good |
| Processability | Good |
