UNS N08800/Incoloy800/NS111/1.4558/X2NiCrAlTi3220/NCF800/NCF2B High Temperature Alloy Bolt For Extreme Industrial Settings

The UNS N08800 (Incoloy 800) high-temperature alloy bolt is engineered for extreme heat and corrosive environments. This nickel-iron-chromium alloy offers excellent resistance to oxidation, carburization, and high-temperature corrosion, making it ideal for heat exchangers, furnaces, and power plants. With controlled carbon content and added titanium and aluminum, it maintains strength and stability up to 1100°F (593°C).

Equivalent designations include NS11, 1.4558, X2NiCrAlTi3220, NCF800, and NCF2B. These bolts exhibit high mechanical strength, superior creep resistance, and good weldability, ensuring long service life in demanding conditions. Their robust performance in high-stress environments makes them suitable for petrochemical, aerospace, and nuclear applications.

Due to its excellent metallurgical stability, Incoloy 800 bolts prevent premature failure in high-temperature operations. The alloy's versatility and durability make it a preferred choice for securing components in extreme industrial settings, ensuring safety and reliability under thermal and mechanical stress.

Trade Code

UNS N08800 (Incoloy 800) is a high-temperature alloy widely used in applications requiring excellent strength and oxidation resistance at elevated temperatures. Here are the key features of bolts made from this alloy:

Key Features of UNS N08800 (Incoloy 800) Alloy Bolts:

• High-Temperature Resistance – Maintains structural integrity and mechanical strength at temperatures up to 1100°F (593°C) and beyond.
• Excellent Oxidation and Corrosion Resistance – Withstands oxidation, carburization, and sulfidation in high-temperature environments.
• Superior Mechanical Strength – Offers good tensile and creep strength at elevated temperatures, making it suitable for stress-prone applications.
• Resistance to Thermal Fatigue and Creep – Performs well under prolonged thermal cycling and stress conditions.
• Good Fabricability & Weldability – Can be formed and welded using standard techniques without losing corrosion resistance.
• Chemical Composition Stability – Low-carbon, nickel-iron-chromium composition ensures resistance to chloride stress corrosion cracking and intergranular attack.

The UNS N08800 (Incoloy 800) / NS11 / 1.4558 / X2NiCrAlTi32-20 / NCF800 / NCF2B high-temperature alloy is a nickel-iron-chromium alloy designed for excellent strength and oxidation resistance at high temperatures. This alloy is widely used in various high-temperature environments where strength, corrosion resistance, and thermal stability are critical.

Applications of High-Temperature Alloy Bolts (UNS N08800 / Incoloy 800)

• Power Plants & Boilers

Used in heat exchangers, superheater tubes, and steam generators.

Provides resistance to thermal fatigue and oxidation.

• Petrochemical & Refining Industry

Found in furnaces, catalytic cracking units, and reactors.

Withstands high-temperature carburization and oxidation.

• Aerospace & Aviation

Used in jet engines, exhaust systems, and heat shields.

Offers strength retention at elevated temperatures.

• Chemical Processing Plants

Employed in piping, reactors, and heat exchangers for acids and corrosive environments.

Resists stress corrosion cracking in chloride-containing environments.

• Nuclear Power Industry

Used in steam generator tubing, reactor components, and structural fasteners.

Excellent radiation resistance and thermal stability.

• Heat Treatment & Furnace Applications

Found in furnace fasteners, fixtures, and radiant tubes.

Can endure extreme thermal cycling and oxidation.

• Automotive & Exhaust Systems

Utilized in turbochargers, exhaust manifolds, and high-performance engine bolts.

Provides oxidation resistance in high-temperature gases.

• Marine & Offshore Applications

Used in offshore drilling rigs, subsea components, and marine exhaust systems.

Maintains corrosion resistance in salty, 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.