Cr30Ni70 Nickel-Chromium-Iron Alloy with Good Anti-Oxidation and Anti-Corrosion Performance for Electrical Applications

Cr30Ni70 Nickel-Chromium-Iron Alloy with Good Anti-Oxidation and Anti-Corrosion Performance for Electrical Applications

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

Some key features of Cr30Ni70 include:

1. High Nickel and Chromium Content: Comprising approximately 30% chromium and 70% nickel, this alloy is known for its excellent resistance to oxidation and corrosion.
2. Thermal Stability: Cr30Ni70 exhibits excellent stability at high temperatures, allowing it to be used in applications that demand performance under extreme heat.
3. Corrosion Resistance: The alloy's high chromium content provides it with superior resistance to a variety of corrosive environments, including acidic and alkaline conditions.
4. Electrical Resistivity: It has a relatively high electrical resistivity, which makes it suitable for use in heating elements and other electrical applications where resistance is crucial.
5. Mechanical Strength: Despite its high resistance to corrosion and oxidation, Cr30Ni70 maintains good mechanical strength, making it durable in various applications.
6. Low Carbon Content: With very low carbon content, often denoted as "0" in the alloy name (0Cr30Ni70), it minimizes the risk of carbon-related corrosion and maintains its properties at high temperatures.
7. Fabrication: The alloy is relatively easy to fabricate and can be formed into various shapes and sizes, which is beneficial for manufacturing components with specific dimensions.

These characteristics make Cr30Ni70 a valuable material in industries where high temperatures, corrosion resistance, and stability are paramount.

Applications:

• Heating Elements: Due to its high electrical resistivity and temperature stability, Cr30Ni70 is used in the manufacturing of heating elements for various electrical appliances.
• Chemical Processing Equipment: The alloy's resistance to corrosion makes it suitable for use in chemical reactors, heat exchangers, and other equipment that comes into contact with corrosive substances.
• Aerospace Components: Cr30Ni70 is utilized in the aerospace industry for components that require high-temperature strength and resistance to oxidation.
• High-Temperature Furnaces: It is used in the construction of furnace parts, such as muffles and heating chambers, that operate at elevated temperatures.
• Thermocouples: The alloy's low thermal electromotive force relative to copper makes it suitable for use in thermocouples, particularly in Type E thermocouples.
• Food Processing Equipment: Cr30Ni70 is used in equipment that requires resistance to both corrosion and high temperatures, such as in the food and pharmaceutical industries.
• Power Generation: It finds application in power generation systems, particularly in components that are exposed to high heat and corrosive environments.
• Automotive Exhaust Systems: Due to its high-temperature capabilities, Cr30Ni70 can be used in the manufacturing of automotive exhaust components.
• Gas Turbines: The alloy is used in gas turbine blades and other hot sections of the turbines that require resistance to high temperatures and corrosion.

These applications capitalize on Cr30Ni70's unique combination of properties, including high-temperature strength, corrosion resistance, and thermal stability.

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.