Cobalt
| Common Alloy Name | Industry Specifications | Nominal Composition (Percent %) |
|---|---|---|
| Stellite® 6 | AMS5788, MSRR9500/19, AWS A5.21 RCoCr-A, MIL-R-17131 | 62 Co, 29 Cr, 4.5 W, 1.2 C |
| Stellite® 12 | AWS A5.21 RCoCr-B, MSRR9500/228, MIL-R-17131 | 59 Co, 29 Cr, 8 W, 2.5 Fe, 1.5 C |
| Stellite® 12HC | MSRR9500/15 | 58 Co, 29 Cr, 9 W, 2.5 Fe, 1.9 C |
| Stellite® 21 | AWS A5.21 RCoCr-E, MIL-R-17131 | 67 Co, 28 Cr, 5 Mo, 0.2 C |
| Stellite® 31 | AMS5789, MSRR9500/25 | 54 Co, 25.5 Cr, 10.5 Ni, 7.5 W |
| Haynes® 188 | AMS5801 | 39 Co, 22 Cr, 22 Ni, 14.5 W, 0.07 La |
| Mar M® 509 | PWA1185, B50TF89 | 55 Co, 23.5 Cr, 10 Ni, 7 W, 3.5 Ta, 0.6 C, 0.4 Zr, 0.2 Ti |
| Mar M® 918 | AMS5814, B50A824 | 52 Co, 20 Cr, 20 Ni, 7.5 Ta |
| Coast Alloy 64 | PWA694, MSRR9500/226, B50TF55, B50A842, MTU MTS1087-1, Snecma DMR 34.070 | 45 Co, 28 Cr, 19.5 W + Mo, 5 Ni, 1 V, 0.85 C, 0.05 B |
| Merl 72 | PWA795, MSRR9500/248 | 47 Co, 20 Cr, 15 Ni, 9 W, 4.4 Al, 3 Ta, 1.1 Hf, 0.35 C, 0.2 Ti, 0.04 Y |
| L-605 (Haynes® 25) | AMS5796, MSRR9500/23 | 52 Co, 20 Cr, 10 Ni, 15 W |
| T-800® | B50TF193, DMR 34.071 | 50 Co, 29 Mo, 17.5 Cr, 3.5 Si, 0.04 C |