Inconel 718/GH4169/UNS N07718/2.4668/NiCr19Fe19Nb5Mo3 High Temperature Alloy Wire for Critical Components in Aviation Engines

Inconel 718/GH4169/UNS N07718/2.4668/NiCr19Fe19Nb5Mo3 High Temperature Alloy Wire for Critical Components in Aviation Engines

Inconel 718 (also known as GH4169 in China and UNS N07718 globally) is a high-performance nickel-chromium superalloy, commonly used in extreme temperature and pressure environments. The alloy is widely used in aerospace, gas turbine engines, and other high-stress applications due to its excellent mechanical properties, corrosion resistance, and ability to withstand extreme temperatures.

Inconel 718 (GH4169 / UNS N07718 / 2.4668) is a high-strength, corrosion- and oxidation-resistant nickel-chromium superalloy widely used in high-temperature applications like aerospace, gas turbines, and chemical processing. The alloy excels in thermal stability, mechanical properties, and resistance to oxidation. It is commonly available as wires, bars, and other forms, and is capable of operating effectively in extreme conditions, making it ideal for demanding industries such as aerospace, nuclear energy, and high-performance manufacturing.

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Key Characteristics and Properties:

• Mechanical Properties:

Tensile Strength: Typically around 1,270 MPa (185 ksi) at room temperature, but can be higher at elevated temperatures after heat treatment.

Yield Strength: Up to 1,030 MPa (150 ksi) depending on heat treatment.

Elongation: Generally in the range of 40-50%.

Hardness: Can be Rockwell C 30 or higher, depending on the heat treatment and processing conditions.

• Temperature Resistance:

Inconel 718 is specifically designed for high-temperature applications, capable of operating in temperatures as high as 700°C to 900°C (1,300°F to 1,650°F).

Thermal Stability: The alloy maintains high strength and stability at elevated temperatures, making it ideal for applications in environments that involve thermal cycling or high stress.

• Corrosion and Oxidation Resistance:

Excellent resistance to oxidation, corrosion, and creep in high-temperature environments.

Corrosion resistance in a wide range of corrosive environments, including those involving sea water, organic acids, and inorganic acids.

Resistant to stress corrosion cracking in environments that involve both high stress and high temperature.

• Fabrication:

Weldability: Inconel 718 is generally weldable, but the presence of a high amount of niobium and titanium can lead to issues with cracking or embrittlement. Specialized welding techniques, such as argon arc welding (TIG) or electron beam welding, are often employed.

Formability: Can be forged, rolled, or drawn into various forms, including wires, sheets, and bars.

Heat Treatment: Typically heat-treated through solution annealing and aging processes to achieve optimal mechanical properties. The alloy is capable of maintaining its properties after undergoing significant thermal cycling.

• Wire Form:

Available in various forms including wire, rod, bar, sheet, and plate.

Alloy Wire: Inconel 718 is commonly used in wires for applications requiring excellent strength and high temperature resistance, including for electrical heating elements, springs, and fasteners in high-temperature environments.

Applications:

• Aerospace Industry: Used in the manufacture of engine components such as compressor discs, turbine discs, and casings.
• Chemical Processing: Employed in chemical processing equipment, heat exchangers, and pipelines for its resistance to corrosive chemicals.
• Power Generation: Utilized in components of power plants, such as steam generators and heat recovery systems, due to its resistance to high-temperature steam and water environments.

​In summary, GH3044 alloy's combination of high-temperature strength, corrosion resistance, and good fabricability makes it a popular choice for demanding applications where performance under extreme conditions is critical. Its versatility and reliability have led to its widespread use in industries such as aerospace, chemical processing, and power generation.

Company Overview:

Jiangyin Chengxin Alloy Material Co., Ltd has more than 20 years of experience as the lead.ing alloy wire manufacturer in China. We offer a wide range of services from fine wire drawing toresistance wire manufacturing. Since the beginning, our specialty has been the quality and preci.sion of our products. We have the tightest tolerances and deliver within a few days to a fewweeks. As a result, we have become the leading alloy wire supplier in the industry.

Senphus Subsidiaries:

• Jiangyin Chengxin Alloy Material Co., Ltd.
• Jiangyin Senphus Electrical Materials Co., Ltd.
• Jiangsu Xiangcheng Supply Chain Management Co., Ltd.

Jiangyin Chengxin Alloy Material Co., Ltd.: With nearly 20 years of experience, Jiangyin Chengxin is a leading alloy wire manufacturer in China. We offer a wide range of services, from fine wire drawing to resistance wire manufacturing. Our specialty lies in the quality and precision of our products, achieving the tightest tolerances and delivering orders within days to weeks. As a result, we have established ourselves as the premier supplier of alloy wire in the industry.

Our product range includes:

• Copper-nickel alloys (CuNi1-CuNi44)
• Karma (Nikrothal L/Evanohm/Alloy 800)
• Manganin and Constantan
• Nickel-chromium alloys
• Thermocouple alloys (Type K, N, E, T, J)
• Thermocouple extension wire
• PTC thermistor resistance alloy
• Pure nickel wire and Monel alloy

These alloys are available in various forms, including wire, ribbon, stranded, and enamelled. Major applications include seat heating, underfloor heating, military projects, aerospace, household appliances, heating wire, mechanical and electrical plants, and temperature instruments. Our manufacturing processes are ISO 9001:2015 certified, and we specialize in fine and ultra-fine wire drawing, offering wire diameters from 0.025 mm (0.001") to 13 mm (0.51") in small batches, medium volumes, and mass production. We maintain a comprehensive quality inspection system, including in-house chemical analysis, chromatographic analysis, metallurgical analysis, pinhole tests, wire construction tests, and tension tests to ensure the highest quality standards.

Senphus Electrical Material Co., Ltd.: Founded in 2003, Senphus Electrical Material Co., Ltd. integrates research, manufacturing, and sales of electric heating alloys, heating cables, heating wires, and heating products. Leveraging over a decade of technical expertise in heating alloy wire, we have adopted advanced heating cable technology and machinery, successfully developing heating cables, temperature controllers, and temperature control systems suitable for building heating, pipe insulation, outdoor snow melting, wind power blade production, car seat heating, and healthcare applications.

The company is recognized as a high-tech enterprise in Jiangsu Province and a small giant enterprise in Jiangyin City, specializing in innovative technologies. We operate the "Wuxi Heating Cable Engineering Technology Research Center" and collaborate with experts from renowned domestic universities. Our portfolio includes 5 invention patents and over 30 utility model patents, showcasing our strong research and development capabilities.

With an annual output exceeding 1,000 tons of thermal alloy wire and an output value of approximately 105 million yuan, our products are well-received in markets such as the UK, Italy, Canada, Peru, and Spain. Our heating cables generate an annual output value of over 80 million yuan, with exports to Germany, Japan, the United States, Malaysia, Denmark, Brazil, and other countries.

The company has successfully passed multiple quality management system certifications, including IATF 16949, ISO 9001, ISO 14001 (Environmental Management System), and ISO 45001 (Occupational Health and Safety Management System). Our heating cables and related products have also obtained test reports from the Shanghai Cable Research Institute Test Center and received certifications such as UL (United States), VDE (Germany), CE (European Union), and RoHS.

Commitment to Quality: We adhere to the business commitment of "Reputation First, Quality First, Customer First" and uphold the quality policy of "Integrity-Based, Quality-Oriented, Excellent Service." We are dedicated to providing accurate products and professional services, and we look forward to collaborating sincerely with you to achieve mutual success.