NiCr Alloy Cr20Ni30 Nickel-Chromium-Iron Alloys for High-Performance Electrical Applications

NiCr Alloy Cr20Ni30 Nickel-Chromium-Iron Alloys for High-Performance Electrical Applications

Main characteristics of Ni-Cr and Ni-Cr-Fe electric heating alloys

Some key features of Cr20Ni30 include:

1. High-Temperature Resistance:

• Cr20Ni30 excels in high-temperature environments, offering strong resistance to oxidation and thermal scaling, making it suitable for use in furnaces, gas turbines, and heat exchangers.

2. Corrosion Resistance:

• The alloy provides excellent resistance to corrosion in both acidic and alkaline environments, making it ideal for chemical reactors, marine applications, and industrial incinerators.

3. Austenitic Structure:

• Cr20Ni30 has an austenitic (face-centered cubic) microstructure, which ensures excellent mechanical properties like toughness, strength, and good formability. It is also non-magnetic.

4. Weldability:

• The alloy offers good weldability, allowing it to be easily fabricated into complex components for various industrial applications.

5. Stress Corrosion Cracking Resistance:

• Cr20Ni30 has strong resistance to stress corrosion cracking, especially in chloride and other corrosive environments.

6. Thermal Cycling Resistance:

• The alloy performs well under thermal cycling, maintaining its mechanical properties during temperature fluctuations.

Applications:

1. Heat Exchangers

• Used in both industrial and power plant heat exchangers due to its ability to resist oxidation and corrosion at high temperatures.

2. Gas Turbines

• Ideal for turbine components exposed to high heat, such as blades, nozzles, and combustion chambers, where high strength and resistance to thermal cycling are required.

3. Furnace Parts

• Cr20Ni30 is commonly used in furnace components, such as burners and structural parts, due to its resistance to oxidation and its ability to withstand high temperatures.

4. Chemical Reactors

• Used in the construction of reactors in chemical processing industries where resistance to both high temperatures and corrosive substances is critical.

5. Boiler Components

• In power plants, Cr20Ni30 is used in boiler components that require resistance to high temperatures and mechanical stresses.

6. Marine Applications

• Due to its excellent resistance to corrosion, particularly in chloride environments, Cr20Ni30 is used in marine applications such as ship components, offshore oil rigs, and underwater pipelines.

7. Industrial Incinerators

• Suitable for use in waste incinerators and other high-temperature industrial processes that involve corrosive gases or residues.

8. Aerospace Components

• Cr20Ni30 is used in aerospace applications such as engine parts, exhaust systems, and other high-performance components exposed to extreme heat and mechanical stresses.

9. Heat Resistant Coatings

• Cr20Ni30 is sometimes used in coatings for high-temperature applications to provide resistance to oxidation and wear.

10. Piping Systems

• Used for high-temperature and high-pressure piping in industries like petrochemical, where both corrosion resistance and mechanical strength are required.

In summary, Cr20Ni30 is utilized in industries like aerospace, power generation, chemical processing, marine, and waste management, where its high-temperature stability, corrosion resistance, and mechanical properties ensure long-term reliability in demanding conditions.

Technical data of wires

The tolerance or wires diameter

Technical data of ribbon

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.