| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
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| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
| Purity: | 38%-40.6% |
| Alloy: | Alloy |
| Type: | Nickel Wire |
| Powder: | Not Powder |
| Samples: |
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| Customization: |
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Audited Supplier Inconel 825 is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium. It is highly resistant to corrosion in a wide range of environments, including those containing sulfuric and phosphoric acids, as well as oxidizing and reducing conditions. Inconel 825 wire is typically used in applications requiring excellent resistance to corrosion and high temperatures, such as chemical processing, pollution control, oil and gas recovery, and marine engineering.
The wire is manufactured through a process that involves melting the raw materials in a vacuum induction furnace or electric arc furnace, followed by casting into ingots. These ingots are then hot worked through processes such as forging, rolling, or extrusion to achieve the desired dimensions and mechanical properties. The wire may undergo additional heat treatment steps, such as annealing or precipitation hardening, to further optimize its properties.
Inconel 825 wire offers excellent mechanical strength and toughness, along with good weldability and formability. It exhibits high resistance to corrosion and oxidation at elevated temperatures, making it suitable for use in harsh environments. The wire is available in various diameters to meet specific application requirements and can be supplied in coils or straight lengths. Quality control measures are implemented throughout the manufacturing process to ensure that the wire meets the required specifications and standards for composition, mechanical properties, and surface finish.
| Item | Inconel 600 | Inconel | Inconel 617 | Inconel | Inconel | Inconel | Inconel | Inconel |
| 601 | 625 | 690 | 718 | X750 | 825 | |||
| C | ≤0.15 | ≤0.1 | 0.05-0.15 | ≤0.08 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.05 |
| Mn | ≤1 | ≤1.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤1 | ≤1 |
| Fe | 6~10 | rest | ≤3 | rest | 7~11 | rest | 5~9 | ≥22 |
| P | ≤0.015 | ≤0.02 | ≤0.015 | -- | -- | -- | -- | -- |
| S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.01 | ≤0.01 | ≤0.03 |
| Si | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.5 |
| Cu | ≤0.5 | ≤1 | -- | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.5 | 1.5-3 |
| Ni | ≥72 | 58-63 | ≥44.5 | 50-55 | ≥58 | 50-55 | ≥70 | 38-46 |
| Co | -- | -- | 10~15 | ≤10 | -- | ≤1 | ≤1 | -- |
| Al | -- | 1-1.7 | 0.8-1.5 | ≤0.8 | -- | 0.2-0.8 | 0.4-1 | ≤0.2 |
| Ti | -- | -- | ≤0.6 | ≤1.15 | -- | -- | 2.25-2.75 | 0.6-1.2 |
| Cr | 14-17 | 21-25 | 20-24 | 17-21 | 27-31 | 17-21 | 14-17 | 19.5-23.5 |
| Nb+Ta | -- | -- | -- | 4.75-5.5 | -- | 4.75-5.5 | 0.7-1.2 | -- |
| Mo | -- | -- | 8~10 | 2.8-3.3 | -- | 2.8-3.3 | -- | 2.5-3.5 |
| B | -- | -- | ≤0.006 | -- | -- | -- | -- | -- |
Inconel 825 wire finds application in various industries due to its excellent corrosion resistance and high-temperature properties. Some common applications include:
Chemical Processing: Inconel 825 wire is widely used in chemical processing industries for equipment such as heat exchangers, tanks, piping, and valves. Its resistance to corrosive environments containing sulfuric acid, phosphoric acid, and other aggressive chemicals makes it suitable for these applications.
Pollution Control: The alloy's resistance to oxidation and corrosion makes it ideal for pollution control equipment, including scrubbers, stack liners, and flue gas desulfurization systems in industries such as power generation, waste incineration, and metal smelting.
Oil and Gas: Inconel 825 wire is employed in the oil and gas industry for downhole equipment, tubing, and piping in wells where corrosive fluids, high temperatures, and pressures are encountered. It is also used in equipment for processing and transporting corrosive hydrocarbons and sour gas.
Marine Engineering: Due to its resistance to seawater corrosion and biofouling, Inconel 825 wire is utilized in marine applications such as seawater piping systems, heat exchangers, and components for offshore platforms and vessels.
Aerospace: Inconel 825 wire is employed in aerospace applications where resistance to oxidation, high temperatures, and corrosive environments is required. It may be used in engine components, exhaust systems, and aircraft structural parts.
Pharmaceutical and Food Processing: Inconel 825 wire is utilized in equipment for pharmaceutical and food processing industries due to its resistance to corrosion and ability to withstand sterilization processes, making it suitable for applications such as reactors, vessels, and piping systems.
Heat Treatment Furnaces: Inconel 825 wire is used in the construction of heat treatment furnaces and components subjected to high temperatures and corrosive atmospheres, such as radiant tubes, furnace fixtures, and heating elements.
Overall, Inconel 825 wire's versatility, corrosion resistance, and high-temperature capabilities make it valuable in a wide range of demanding applications across various industries.
The production process of Inconel 825 wire involves several steps:
Melting: The process begins with the melting of the raw materials, typically nickel, chromium, and small amounts of other elements such as aluminum and titanium, in a vacuum induction furnace or an electric arc furnace. The precise composition is crucial to achieving the desired properties of the final product.
Casting: Once the alloy is molten and properly mixed, it is cast into ingots or billets using molds. This step ensures the alloy's initial form and size before further processing.
Hot Working: The cast ingots or billets are then subjected to hot working processes such as forging or rolling. This step reduces the cross-sectional area of the material and refines its microstructure, improving its mechanical properties and homogeneity.
Annealing: After hot working, the material undergoes annealing to relieve internal stresses and improve its ductility and toughness. Annealing typically involves heating the material to a specific temperature and holding it for a certain duration before slowly cooling it down.
Cold Drawing: The annealed material is then cold drawn through a series of dies to achieve the desired wire diameter and dimensional accuracy. Cold drawing further refines the microstructure, increases the wire's strength, and improves its surface finish.
Intermediate Annealing (Optional): Depending on the specific requirements of the application and the desired properties of the final product, intermediate annealing may be performed between cold drawing steps to maintain ductility and prevent excessive work hardening.
Final Annealing: Once the desired wire size and properties are achieved, the wire may undergo a final annealing process to ensure uniformity and stability of its microstructure and mechanical properties.
Surface Treatment (Optional): In some cases, the wire may undergo surface treatments such as pickling, passivation, or coating to improve its corrosion resistance or surface finish.
Quality Control: Throughout the production process, rigorous quality control measures are implemented to ensure that the final product meets the required specifications and standards for mechanical properties, dimensional accuracy, and surface finish.
Packaging and Shipping: The finished Inconel 825 wire is then packaged according to customer requirements and shipped to end-users or distributors for further processing or direct use in various applications.
Overall, the production process of Inconel 825 wire involves a combination of melting, hot working, annealing, cold drawing, and quality control steps to achieve the desired properties and quality of the final product.
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