| Customization: | Available |
|---|---|
| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Inconel 617 wire is a high-temperature, nickel-chromium-cobalt-molybdenum alloy known for its exceptional strength, oxidation resistance, and corrosion resistance in a wide range of extreme environments. Here's a detailed description of its properties:
Chemical Composition: Inconel 617 typically consists of approximately 55% nickel, 22% chromium, 12% cobalt, 9% molybdenum, 1.5% aluminum, and trace amounts of other elements such as iron, silicon, and carbon. This alloy composition provides a unique combination of properties suited for high-temperature applications.
High-Temperature Strength: Inconel 617 exhibits excellent strength at elevated temperatures, making it suitable for use in applications where materials are exposed to extreme heat and thermal cycling. It retains its mechanical properties at temperatures up to around 2000°F (1093°C).
Oxidation Resistance: The chromium content in Inconel 617 imparts superior oxidation resistance, allowing the alloy to withstand high-temperature oxidation environments, such as those encountered in gas turbine components, petrochemical processing, and aerospace applications.
Corrosion Resistance: In addition to its oxidation resistance, Inconel 617 offers excellent resistance to a wide range of corrosive environments, including sulfur-containing atmospheres, nitriding conditions, and aqueous environments containing chlorides and acids.
Creep Resistance: The alloy's combination of nickel, chromium, and molybdenum provides excellent resistance to creep deformation under high-temperature and high-stress conditions. This property is crucial for components operating in prolonged elevated temperature service.
Fabricability: Inconel 617 is readily fabricated using standard processes such as welding, machining, and forming. Its ability to maintain strength and integrity during fabrication makes it a preferred choice for complex-shaped components and assemblies.
Applications: Due to its exceptional high-temperature properties and corrosion resistance, Inconel 617 wire finds numerous applications in industries such as aerospace, chemical processing, power generation (including gas turbines), nuclear engineering, and heat treating equipment.
Special Properties: Inconel 617 also exhibits resistance to carburization and excellent mechanical properties at cryogenic temperatures, further expanding its range of applications in extreme environments.
| Parameter | Value |
|---|---|
| Material | Inconel 617 |
| Composition | Nickel (Ni): 76%, Chromium (Cr): 21%, Iron (Fe): 1.5%, Molybdenum (Mo): 1.5%, |
| Density | 8.4 g/cm^3 |
| Melting Point | 1330-1380°C |
| Tensile Strength (Room Temperature) | 600-650 MPa |
| Yield Strength (0.2% offset) | 300MPa |
| Elongation at Break | 30% |
| Hardness (HRC) | 65-95 |
| Thermal expansion coefficient (24-100ºC)10-6×m/m°C |
13.75 |
| Thermal Conductivity | 12.7 W/m·K at 21°C |
| Operating temperature (°C) |
-200~ +400 |
| Standard | ASTM B166 |
| 1180ºC | 1180ºC |
Inconel 617 wire finds applications in various industries where high-temperature resistance, corrosion resistance, and mechanical strength are required. Some common applications include:
Welding: Inconel 617 wire is often used as filler metal in welding applications where joining of high-temperature alloys or dissimilar materials is needed. It provides excellent strength and resistance to thermal fatigue, making it suitable for welding components in gas turbines, aerospace, and petrochemical industries.
Thermal Spray Coatings: Inconel 617 wire can be used in thermal spray processes to apply protective coatings on surfaces exposed to high-temperature and corrosive environments. These coatings provide a barrier against oxidation, erosion, and chemical attack, extending the lifespan of components in gas turbine engines, chemical processing plants, and industrial furnaces.
Overall, Inconel 617 wire plays a critical role in various demanding applications across industries that require exceptional performance under extreme conditions of temperature, pressure, and corrosion.
Heating Elements: Inconel 617 wire is utilized in the manufacturing of heating elements and resistance wires for electric heating systems operating at elevated temperatures. Its high-temperature strength and resistance to oxidation make it suitable for use in furnace heating elements, radiant heaters, and electrical heating appliances.
Sealing Applications: Inconel 617 wire is employed in sealing applications where reliable performance at high temperatures is crucial. It is used to create resilient gaskets, seals, and packing materials for valves, flanges, and other high-pressure and high-temperature equipment in the oil and gas, chemical, and power generation industries.
Springs and Fasteners: Inconel 617 wire is utilized in the fabrication of springs, fasteners, and other mechanical components that require resilience and strength at elevated temperatures. These components are commonly found in aerospace propulsion systems, industrial machinery, and high-performance automotive applications.
Electrical Contacts: Inconel 617 wire is used in electrical contact applications where high-temperature stability and corrosion resistance are essential. It is employed in switches, connectors, and electrical contacts for aerospace, automotive, and power generation equipment.
Melting and Alloying: The process begins with melting the raw materials, including nickel, chromium, cobalt, molybdenum, and other alloying elements, in a vacuum induction furnace or an electric arc furnace. The molten metal is carefully alloyed to achieve the desired composition and chemical properties of Inconel 617.
Casting: Once the alloy is molten and properly mixed, it is poured into molds to form ingots or billets. These initial forms are then allowed to cool and solidify, forming the basis for further processing.
Hot Working: The solidified ingots or billets are subjected to hot working processes such as forging, rolling, or extrusion. This involves heating the metal to high temperatures to make it more ductile and then shaping it into intermediate forms like bars, rods, or billets.
Cold Working (Optional): Depending on the desired final properties and dimensions, the intermediate forms may undergo cold working processes such as drawing or cold rolling to further refine the shape and size of the material.
Annealing: After hot or cold working, the material may be subjected to annealing, a heat treatment process that involves heating the metal to a specific temperature and then slowly cooling it to relieve internal stresses and improve its mechanical properties.
Wire Drawing: The annealed material is then fed through a series of dies to reduce its diameter to the desired size, forming wire. This wire drawing process may be repeated multiple times with progressively smaller dies until the desired diameter is achieved.
Surface Treatment (Optional): Depending on the application requirements, the finished wire may undergo surface treatments such as pickling, passivation, or coating to enhance its corrosion resistance or improve its surface finish.
Testing and Quality Control: Throughout the production process, various quality control measures are implemented to ensure that the Inconel wire meets the required specifications for chemical composition, mechanical properties, and surface finish. This may involve non-destructive testing, dimensional inspection, and material analysis techniques.
Packaging and Shipping: Once the wire has passed all quality checks, it is packaged according to customer specifications and shipped to its destination for use in various applications.
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