Cobalt Alloys
Though comprehensive, this list is not exhaustive. Our metallurgical engineers welcome the opportunity to assist you in the selection of the best metal to achieve your desired results.
| Alloy Type | Common Casting Specifications | RATING* | |||||
|---|---|---|---|---|---|---|---|
| Castability | Machinability | Corrosion Resistance | Weldability | Harden by Heat Treat | Magnetic | ||
| Co3 | IC Co3 | 1 | 4 | 1 | 3 | No | No |
| Co4 | IC Co4 | 1 | 3 | 1 | 3 | No | No |
| Co6 | AMS 5387 | 1 | 4 | 1 | 3 | No | No |
| Co12 | IC Co12 | 1 | 4 | 1 | 3 | No | No |
| Co19 | IC Co19 | 1 | 3 | 1 | 3 | No | No |
| Co21 | AMS 5385 | 1 | 3 | 1 | 2 | No | No |
| Co23 | AMS 5375 | 1 | 4 | 1 | 3 | No | No |
| Co25 | L 605, H.S.25 | 1 | 3 | 1 | 2 | No | No |
| Co27 | AMS 5378 | 1 | 4 | 1 | 3 | No | No |
| Co30 | AMS 5380 | 1 | 4 | 1 | 3 | No | No |
| Co31 | AMS 5382 | 1 | 3 | 1 | 2 | No | No |
| Co93 | IC Co93 | 3 | 4 | 2 | 3 | No | No |
| N-155 | AMS 5376 | 3 | 4 | 2 | 3 | No | No |
REFERENCE RATING* 1 – Excellent 2 – Good 3 – Fair 4 – Poor
