

Nimonic 80A (UNS N07080)
Category: NIMONIC
Overview
Nimonic 80A is a Nickel-Chromium alloy which is precipitation hardenable. It has largely been superseded by Nimonic 90 and Inconel X-750, but because of the low Cobalt content, it is still specified for nuclear applications. Nimonic 80A performs well in applications where high temperature and continuous stress is a significant consideration. Beyond nuclear applications, it is traditionally used in applications such as gas turbines, as well as for exhaust valves in racing engines and spindles and fasteners for the motorsport sector.
Nimonic 80A is also known as Nicrofer 7520 Ti, Pyromet 80A, Superimphy 80A, and Udimet 80A.
Chemical Composition
Ni | Cr | Fe | Ti | Al | B | Mn | Si | S | Cu | C | Co | Pb | Zr | |
MIN | Bal | 18 | - | 1.8 | 1.0 | - | - | - | - | - | - | - | - | - |
MAX | 21 | 3.0 | 2.7 | 1.8 | 0.008 | 1.0 | 1.0 | 0.015 | 0.2 | 0.1 | 2.0 | 0.0025 | 0.15 |
Physical Properties
Density | 8.19 g/cm³ |
Melting Range | 1320-1365℃ |
Available Products and Specifications
Rod, Bar, Wire, and Forging Stock | ASTM B 637/ BS 3076 & HR 1 AIR 9165-37 |
Plate, Sheet and Strip | BS HR 201 |
Pipe and Tube | BS HR 401 |
Others | BS HR 601, DIN 17742, AFNOR NC 20TA |
Features
● Largely superseded by Nimonic 90 & Inconel X-750
● Still specified for nuclear applications due to low cobalt content
● Age hardenable
● High temperature dynamic applications
Applications
● Gas turbine components
● Nuclear industry
● Fasteners
Keywords: Nimonic 80A (UNS N07080)
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