High-Temperature Alloy GH2903/GH903/N09903/Incoloy903 Bolt With Thermal Expansion Resistance For Aerospace Specifications

High-Temperature Alloy GH2903/GH903/N09903/Incoloy903 Bolt With Thermal Expansion Resistance For Aerospace Specifications

The GH2903 (also known as GH903, N09903, or Incoloy 903) is a high-temperature, high-strength nickel-iron-cobalt alloy designed for extreme environments. It exhibits excellent mechanical properties, oxidation resistance, and stability under prolonged exposure to high temperatures. The alloy is precipitation-hardened with niobium and titanium, enhancing its strength and creep resistance.

GH2903 bolts are widely used in aerospace, gas turbines, and high-performance engines due to their ability to withstand stress and thermal fatigue. They maintain structural integrity in temperatures up to 650°C (1202°F), making them ideal for critical applications. Their superior corrosion and oxidation resistance further ensure reliability in harsh conditions.

These bolts undergo precision machining and heat treatment to optimize their mechanical properties. Their high tensile strength, fatigue resistance, and long service life make them indispensable in demanding engineering applications, where safety and durability are paramount.

GH2903/GH903/N09903/Incoloy903 Alloy Bolt Key Features:

The GH2903 (GH903, N09903, Incoloy 903) high-temperature alloy bolt is known for its excellent mechanical properties, corrosion resistance, and high-temperature stability. Here are its key features:

1. High-Temperature Strength

• Maintains excellent strength and structural stability at elevated temperatures (up to 650°C (1200°F)).
• High creep and stress-rupture resistance.

2. Excellent Fatigue Resistance

• Designed to withstand cyclic loading and thermal fatigue, making it suitable for aerospace and turbine applications.

3. Oxidation and Corrosion Resistance

• Offers good oxidation resistance in high-temperature environments.
• Resists corrosion in industrial and marine conditions.

4. Precipitation Hardening for Strength

• Strengthened through precipitation hardening with elements like titanium, niobium, and aluminum, which enhance creep and fatigue resistance.

5. Low Thermal Expansion

• Controlled expansion properties help reduce thermal distortion, making it suitable for precision components in gas turbines and aerospace applications.

6. Good Weldability and Machinability

• Can be welded using standard techniques, although post-weld heat treatment may be necessary.
• Machinability is fair but requires specialized tooling due to its strength and toughness.

GH2903 (also known as GH903, N09903, or Incoloy 903) is a high-temperature, high-strength nickel-iron-cobalt-based superalloy. It is primarily used in environments that demand excellent mechanical properties, oxidation resistance, and thermal stability at elevated temperatures.

Applications of GH2903/Incoloy 903 High-Temperature Alloy Bolts

• Aerospace Industry

Turbine engines (fasteners for turbine discs, compressor components)

Jet engine mounting hardware

Structural components exposed to high temperatures

• Gas Turbines & Power Generation

Fasteners in gas turbine engines

Components for industrial power plants

Steam and gas turbine casing bolts

• Automotive & Motorsport

High-performance engine components

Exhaust system fasteners for racing and high-performance vehicles

• Petrochemical & Chemical Processing

Fasteners for high-temperature and high-pressure reactors

Bolts used in heat exchangers and furnaces

• Marine Applications

High-temperature fastening solutions for naval propulsion systems

Corrosion-resistant fasteners for offshore drilling and marine environments

• Nuclear Power Industry

Structural fasteners in high-radiation and high-temperature environments

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.