Nimonic 75 alloy has corresponding similar grades in different countries and regions, as follows:
-USA: Nimonic 75, UNS N06075
-China: GH3030
Europe: 2.4951
-Japan: NCF75
Nimonic 75
Nimonic 75 Alloy Properties
Nimonic 75 alloy is a nickel-chromium-based high-temperature alloy with good corrosion resistance, oxidation resistance and moderate high-temperature strength. The alloy is widely used in structural parts and gas turbines in high temperature environments. The following details the domestic and foreign approximate grades, compositions, physical properties, heat treatment, processing and welding, applications, and provided specifications and forms of Nimonic 75 alloy.
Ingredients
|
element |
Content (%) |
|
Nickel (Ni) |
70.0 min |
|
Chromium (Cr) |
18-21 |
|
Cobalt (Co) |
≤ 1.0 |
|
Titanium (Ti) |
≤ 0.5 |
|
carbon (C) |
0.08-0.15 |
|
Iron (Fe) |
≤ 5.0 |
|
Silicon (Si) |
≤ 1.0 |
|
Manganese (Mn) |
≤ 1.0 |
Physical Properties
|
performance index |
value |
|
density |
8.37 g/cm³ |
|
melting point |
1345-1380°C |
|
Coefficient of thermal expansion (20-1000°C) |
13.0 x 10⁻⁶ /°C |
|
thermal conductivity |
12.0 W/(m·K) |
|
modulus of elasticity |
206 GPa |
heat treatment
|
Processing Steps |
Description |
|
solution treatment |
was heated at 1100-1150°C and then rapidly cooled. |
machining and welding
·Cold working: suitable for cold drawing and cold rolling, which can improve strength.
·Hot processing: It should be carried out between 950-1200°C.
·welding: suitable for TIG welding, no special heat treatment is required after welding.
Application
·Aerospace: Combustion chamber components for gas turbine engines.
·heat exchanger: heat exchanger components suitable for high temperature environments.
·chemical equipment: pipes and vessels in high temperature corrosive environment.
·nuclear industry: suitable for high temperature structural parts of reactors.
Nimonic 75 Alloy is available in different shapes and sizes, including plate, bar, wire and forgings.
