Nimonic 75 (Ni-20Cr-0.4Ti) annealed vs Nimonic 80A (Ni-20Cr-2.5Ti-1.4Al) precipitation hardened
Property comparison of Nimonic 75 (Ni-20Cr-0.4Ti) annealed and Nimonic 80A (Ni-20Cr-2.5Ti-1.4Al) precipitation hardened, both nickel alloy.
| Property | Nimonic 75 (Ni-20Cr-0.4Ti) annealed | Nimonic 80A (Ni-20Cr-2.5Ti-1.4Al) precipitation hardened | Difference |
|---|---|---|---|
| Yield strength | 275 MPa | 780 MPa | +184% |
| Tensile strength | 750 MPa | 1,250 MPa | +67% |
| Elongation | 42 % | 30 % | -29% |
| Density | 8,370 kg/m³ | 8,190 kg/m³ | -2% |
| Thermal conductivity | 11.7 W/m·K | 11.2 W/m·K | -4% |
| Specific heat | 430 J/kg·K | 448 J/kg·K | +4% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.000013 1/K | +15% |
| Melting point | 1,360 °C | 1,342 °C | -1% |
Difference is Nimonic 80A (Ni-20Cr-2.5Ti-1.4Al) precipitation hardened relative to Nimonic 75 (Ni-20Cr-0.4Ti) annealed. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- N06075
- standard
- Special Metals Corp. tech bulletin NIMONIC alloy 75 (SMC-090)
- heat treatment
- annealed 1052C/AC
- grade
- N07080
- standard
- Special Metals Corp. tech bulletin NIMONIC alloy 80A (SMC-091)
- heat treatment
- solution treat 1080C/8h AC + age 700C/16h AC
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators