Introduction:
Inconel 718 wire is a high-performance alloy wire used in aerospace
engine manufacturing. It is composed of alloy elements such as
nickel, chromium, and iron, and has excellent high-temperature
strength and corrosion resistance. The material can maintain its
mechanical properties and resist thermal creep and deformation in
high-temperature, high-pressure working environments. At the same
time, it also has excellent corrosion resistance and can resist the
erosion of corrosive media such as acids, alkalis, and salts,
extending its service life.
In aero-engine manufacturing, Inconel 718 wire has a wide range of
applications. It is commonly used in the manufacture of turbine
blades and has high-temperature strength and thermal creep
resistance. In addition, it is also used to manufacture compressor
blades, which can withstand high temperature and high pressure
working environments. In engine combustion chambers, it is used to
manufacture key components that are resistant to high-temperature
airflow and corrosive media. In addition, it is also used to
manufacture components such as engine nozzles, which can maintain
stability and corrosion resistance in high-temperature and
high-pressure injection environments.
Parameter:
Chemical Composition: Inconel 718 Wire primarily consists of
nickel, chromium, iron, and other alloying elements such as cobalt,
molybdenum, aluminum, and titanium.
Density: Approximately 8.2 g/cm³.
Melting Point: Approximately 1,330°C.
Tensile Strength: It exhibits high tensile strength, enabling it to
maintain its mechanical properties at high temperatures.
Coefficient of Thermal Expansion: Approximately 12.8 × 10^(-6) /°C
(within the range of 20-1000°C).
| Item | C | Mn | Fe | P | S | Si | Cu | Ni | Co | Al | Ti | Cr | Nb+Ta | Mo | B |
| Inconel 718 | ≤0.08 | ≤0.35 | rest | -- | ≤0.01 | ≤0.35 | ≤0.3 | 50-55 | ≤1 | 0.2-0.8 | -- | 17-21 | 4.75-5.5 | 2.8-3.3 | -- |
| AMS Number | Alloy | Type | UNS | Cross Ref. Spec | Misc./Shape |
|---|
| AMS 5590 | Inconel 718 | Nickel | N07718 | - | Tubing |
| AMS 5596 Foil | Inconel 718 | Nickel | N07718 | - | Foil |
| AMS 5596 Plate | Inconel 718 | Nickel | N07718 | - | Plate |
| AMS 5596 Sheet | Inconel 718 | Nickel | N07718 | - | Sheet |
| AMS 5596 Strip | Inconel 718 | Nickel | N07718 | - | Strip |
| AMS 5597 Plate | Inconel 718 | Nickel | N07718 | - | Plate |
| AMS 5597 Sheet | Inconel 718 | Nickel | N07718 | - | Sheet |
| AMS 5597 Strip | Inconel 718 | Nickel | N07718 | - | Strip |
| AMS 5662 Bar | Inconel 718 | Nickel | N07718 | - | Bar |
| AMS 5662 Custom Tube | Inconel 718 | Nickel | N07718 | - | Custom Tube |
| AMS 5662 Ring | Inconel 718 | Nickel | N07718 | - | Ring |
| AMS 5663 Bar | Inconel 718 | Nickel | N07718 | - | Bar |
| AMS 5663 Custom Tube | Inconel 718 | Nickel | N07718 | - | Custom Tube |
| AMS 5663 Ring | Inconel 718 | Nickel | N07718 | - | Ring |
| AMS 5664 Bar | Inconel 718 | Nickel | N07718 | - | Bar |
| AMS 5664 Custom Tube | Inconel 718 | Nickel | N07718 | - | Custom Tube |
| AMS 5664 Ring | Inconel 718 | Nickel | N07718 | - | Ring |
| AMS 5832 | Inconel 718 | Nickel | N07718 | - | Wire |
| AMS 5962 Bar | Inconel 718 | Nickel | N07718 | - | Bar |
| AMS 5962 Wire | Inconel 718 | Nickel | N07718 | - | Wire |
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Characteristics:
- High-Temperature Strength: Inconel 718 Wire demonstrates excellent
high-temperature strength, allowing it to withstand
high-temperature environments while maintaining its mechanical
performance and resisting thermal creep and deformation.
- Corrosion Resistance: It possesses outstanding corrosion
resistance, with the ability to withstand corrosion from acids,
alkalis, salts, and other corrosive media, thereby extending its
service life.
- Oxidation Resistance: Inconel 718 Wire exhibits good resistance to
oxidation and thermal corrosion at high temperatures, maintaining
stability.
- Thermal Stability: It demonstrates good thermal stability, enabling
it to maintain structural and performance stability under extreme
temperature conditions.
Advantages:
- High Strength: Inconel 718 Wire offers exceptional high-temperature
strength and mechanical performance, making it suitable for
withstanding the high-temperature and high-pressure operating
conditions of aerospace engines.
- Corrosion Resistance: It has excellent resistance to corrosive
media such as acids, alkalis, and salts, ensuring stability and
extending the service life, even in harsh environments.
- Oxidation Resistance: Inconel 718 Wire provides excellent
resistance to oxidation and thermal corrosion at high temperatures,
protecting engine components.
- Processability: It exhibits good processability, facilitating the
manufacturing of complex-shaped engine components.
Specific Applications:
- Turbine Blades: Inconel 718 Wire is commonly used to manufacture
turbine blades in aerospace engines, benefiting from its
high-temperature strength and resistance to thermal creep.
- Compressor Blades: It is widely applied in the manufacturing of
compressor blades, capable of withstanding high-temperature and
high-pressure working environments.
- Combustion Chambers: Inconel 718 Wire is utilized for critical
components in engine combustion chambers, withstanding
high-temperature gas flow and corrosive media.
- Nozzles: It is also employed in the production of engine nozzles
and other components, maintaining stability and corrosion
resistance in high-temperature and high-pressure jetting
environments.
In summary, Inconel 718 Wire plays a crucial role in aerospace
engine manufacturing, owing to its high-temperature strength,
corrosion resistance, and thermal stability. Its applications
include turbine blades, compressor blades, combustion chambers, and
nozzles, among others.
Q & A:
Q1: What are the key characteristics of Inconel 718 wire?
A1: Inconel 718 wire is known for its high strength, excellent
fatigue resistance, and corrosion resistance, making it suitable
for demanding applications in aerospace, automotive, and oil and
gas industries.
Q2: What are the typical applications of Inconel 718 wire?
A2: Inconel 718 wire is commonly used in turbine engine components,
aircraft structures, and chemical processing equipment due to its
strength, durability, and resistance to corrosion and high
temperatures.
