| 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 |
