UNS N19903 — A low-expansion superalloy for dimensionally stable hot structures.
Nominal published values, annealed condition. Certified heat lots ship with actual MTC values.
| Property | Value |
|---|---|
| UNS number | N19903 |
| Family | Incoloy |
| Nominal chemistry | Ni ~38% · Fe-Co bal. · Nb ~3% |
| Max service temperature | 650 °C |
| Density | 8.1 g/cm³ |
Aerospace structural components
Precision tooling for hot service
All forms consolidated into one PO with matching heats and one MTC package.
Form, dimensions, quantity, standard — that is all we need. A named metallurgist replies with pricing, lead time and MTC sample.