Nimonic 80A alloy has corresponding similar grades in different countries and regions, as follows:
-USA: Nimonic 80A, UNS N07080
-China: GH4180
Europe: 2.4952
-Japan: NC80A
Nimonic 80A
Nimonic 80A Alloy Properties
Nimonic 80A alloy is a nickel-based high temperature resistant alloy, which is famous for its excellent creep resistance, oxidation resistance and high temperature strength. The alloy is widely used in aerospace and industrial gas turbine components.
Ingredients
element |
Content (%) |
Nickel (Ni) |
margin |
Chromium (Cr) |
18-21 |
Cobalt (Co) |
≤ 2.0 |
Titanium (Ti) |
1.8-2.7 |
Aluminum (Al) |
1.0-1.8 |
carbon (C) |
≤ 0.1 |
Iron (Fe) |
≤ 3.0 |
Silicon (Si) |
≤ 1.0 |
Manganese (Mn) |
≤ 1.0 |
Physical Properties
performance index |
value |
density |
8.19 g/cm³ |
melting point |
1350-1380°C |
Coefficient of thermal expansion (20-1000°C) |
13.4 x 10⁻⁶ /°C |
thermal conductivity |
11.2 W/(m·K) |
modulus of elasticity |
206 GPa |
heat treatment
Processing Steps |
Description |
solution treatment |
was heated at 1080°C and then rapidly cooled. |
aging treatment |
was heated to 700-750°C for 16 hours and then cooled. |
machining and welding
·Cold working: suitable for cold drawing and cold rolling to improve strength.
·Hot processing: should be carried out between 950-1150°C.
·welding: suitable for TIG welding, heat treatment may be required after welding.
Application
·Aerospace: For gas turbine blades, rings and fasteners.
·Industrial gas turbines: used for high-temperature components and heat exchangers.
·nuclear reactor: suitable for high temperature components.
·Petrochemical industry: equipment under high temperature and corrosive environment.
Nimonic 80A alloy is available in different shapes and sizes, including plate, bar, wire and forgings.