N08825/Incoloy Alloy 825/NS142/NiCr21Mo/2.4858/NCF 825 Incoloy Alloy Bolt For Food Processing and Pharmaceuticals

Incoloy 825 (N08825/NS142/NiCr21Mo/2.4858/NCF 825) is a nickel-iron-chromium alloy with excellent corrosion resistance in harsh environments. These bolts offer superior resistance to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for chemical processing, marine, and nuclear applications. With added molybdenum, copper, and titanium, they maintain strength in acidic and oxidizing conditions. Incoloy 825 bolts perform well in temperatures up to 540°C (1000°F) while retaining mechanical integrity. They conform to ASTM B425 and related standards, ensuring high reliability in extreme conditions. These fasteners are commonly used in heat exchangers, piping systems, and offshore structures, providing long-term durability and performance in aggressive environments.

Trade Code

Incoloy 825 (N08825, NS142, NiCr21Mo, 2.4858, NCF 825) is a corrosion-resistant nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium. Bolts made from Incoloy 825 are widely used in harsh environments due to their exceptional corrosion resistance and mechanical strength.

Key Features of Incoloy 825 Bolts

• Excellent Corrosion Resistance

Superior resistance to oxidizing and reducing acids, such as sulfuric and phosphoric acid.

Highly resistant to stress corrosion cracking (SCC) and pitting in chloride environments.

Great performance in seawater and brine applications.

• High-Temperature Strength

Maintains mechanical properties in temperatures up to 540°C (1000°F).

Suitable for use in heat exchangers, power plants, and high-temperature chemical processes.

• Outstanding Mechanical Properties

High tensile strength and toughness, making it ideal for critical fastening applications.

Good fatigue and creep resistance under thermal cycling conditions.

• Excellent Weldability & Fabrication

Can be welded using standard techniques such as TIG, MIG, and resistance welding.

Easily machined and formed into complex bolt designs.

• Resistant to Sulfuric & Phosphoric Acid

Performs well in acid processing industries, including chemical plants and refinery applications.

Incoloy 825 (N08825, 2.4858, NiCr21Mo) is a nickel-iron-chromium alloy with significant additions of molybdenum, copper, and titanium. It offers excellent resistance to corrosion, including pitting, crevice corrosion, and stress corrosion cracking, making it ideal for harsh environments.

Applications of Incoloy 825 Bolts

Due to its high corrosion resistance and strength, Incoloy 825 bolts are commonly used in the following industries:

1. Chemical Processing

• Heat exchangers
• Acid production plants (e.g., sulfuric and phosphoric acid)
• Storage and transportation of corrosive chemicals

2. Marine and Offshore Engineering

• Seawater cooling systems
• Subsea equipment and pipelines
• Heat exchangers in offshore platforms

3. Power Generation

• Nuclear fuel reprocessing
• Waste treatment equipment
• Heat exchangers and condensers

4. Oil & Gas Industry

• Downhole tubular components
• Gas scrubbing systems
• Sour gas (H₂S) and high-chloride environments

5. Aerospace & Defense

• High-performance fasteners for extreme environments
• Components exposed to oxidizing and reducing conditions

6. Pollution Control & Waste Treatment

• Scrubbers for flue gas desulfurization
• Industrial waste treatment plants

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.