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Exceptional Properties Nickel-Based Alloy Inconel 718 Wire For Nuclear Industry
Product Introduction
Inconel 718 wire is a high-performance nickel-based alloy that is widely used in the nuclear industry due to its exceptional properties. It is composed of nickel, chromium, iron, and other elements such as niobium and molybdenum, which provide it with outstanding strength, corrosion resistance, and stability in extreme environments.
The alloy's high strength, particularly at elevated temperatures, and its resistance to stress corrosion cracking and oxidation make it an ideal choice for these demanding applications. Additionally, Inconel 718 wire offers good welding and forming characteristics, allowing for the fabrication of complex shapes and structures required in nuclear facilities.
Parameter
Chemical Properties of Inconel 718
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 |
| Size Range (mm) | |
| Wire | 0.5-7.5 |
| Rod/Bar | 8.0-200 |
| Strip | (0.50-2.5)*(5-180) |
| Tube | custom made |
| Plate | custom made |
Specific Applications
In the nuclear industry, Inconel 718 wire is utilized for manufacturing critical components that require high strength, resistance to radiation, and long-term stability. Its applications include:
Advantages and Characteristics
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Related Questions and Answers
Q: What is the typical temperature range for Inconel 718 wire in nuclear applications?
A: Inconel 718 wire can operate effectively in temperatures ranging from -253°C to 700°C, making it suitable for the wide range of temperatures encountered in nuclear facilities.
Q: How does Inconel 718 wire resist stress corrosion cracking in nuclear environments?
A: The alloy's composition and precipitation hardening mechanism provide excellent resistance to stress corrosion cracking, ensuring that components remain stable under the high stress and corrosive conditions found in nuclear reactors.
Q: Can Inconel 718 wire be used for both structural and functional components in nuclear reactors?
A: Yes, Inconel 718 wire is versatile and can be used for both structural components, such as reactor pressure vessel parts, and functional components, like control rod mechanisms, due to its high strength and corrosion resistance.
