Deloro Stellite
1201 Eisenhower Drive North
Goshen, IN 46526
The Cobalt-based Stellite alloy family has been recognized as one of the most successful wear and corrosion resistant alloys in the world. From their development by Elwood Haynes in the early 20th century, they are proven and time-tested solution to wear and corrosion protection.
| Alloy | Co | Cr | W | C | Ni | Mo | Fe | Si | Others | UNS | ASME / AWS | Hardness HRC |
| Stellite 1 | Bal | 32 | 12 | 2.45 | < 3.0 | < 1.0 | < 3.0 | < 2.0 | < 0.5 | R30001 | (SF)A 5.21 ERCoCr-C |
51 – 56 |
| Stellite 6 | Bal | 30 | 4 | 1.2 | < 3.0 | < 1.0 | < 3.0 | < 2.0 | < 0.5 | R30006 | (SF)A 5.21 ERCoCr-A |
40 – 45 |
| Stellite 12 | Bal | 30 | 8 | 1.55 | < 3.0 | < 1.0 | < 3.0 | < 2.0 | < 0.5 | R30012 | (SF)A 5.21 ERCoCr-B |
46 – 51 |
| Stellite 20 | Bal | 32.5 | 17.5 | 2.5 | < 2.0 | < 1.0 | < 2.0 | < 1.0 | < 1.5 | 52 to 62 | ||
| Stellite 21 | Bal | 27.5 | — | 0.25 | 2.6 | 5.4 | < 2.0 | < 2.0 | < 1.0 | R30021 | (SF)A 5.21 ERCoCr-E |
28 – 40 |