NiCr Alloy Cr15Ni60/60Ni16Cr/NiCr6015 The Perfect Combination of Performance and Durability in Harsh Environments

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

Key Features of NiCr Alloy Wire Cr15Ni60 / 60Ni16Cr / NiCr6015:

• Composition:

Nickel (Ni): 60% (provides high resistance to oxidation and excellent thermal stability).

Chromium (Cr): 15% (increases the alloy's oxidation resistance and contributes to its high-temperature strength).

Iron (Fe): Small amounts, providing additional structural stability.

Other Elements: May contain trace elements such as manganese and silicon to improve workability, mechanical properties, and surface finish.

• High-Temperature Resistance:

Designed to perform well in high-temperature environments up to 1000°C (1832°F) and beyond, maintaining mechanical strength and resistance to oxidation.

Particularly suitable for applications involving thermal cycling and thermal shock, making it reliable in high-heat conditions.

• Corrosion and Oxidation Resistance:

Oxidation Resistance: Chromium enhances the alloy's ability to form a protective oxide layer at elevated temperatures, preventing further degradation. This allows the wire to withstand extreme heat and oxidizing atmospheres.

Corrosion Resistance: Performs well in mildly corrosive environments, including exposure to acids, alkalis, and gases at high temperatures.

• Electrical Resistivity:

Moderate Resistivity: The alloy maintains a stable electrical resistance over a wide temperature range, making it an ideal material for heating elements and resistors.

Its high resistivity combined with good thermal conductivity makes it particularly useful in temperature-sensing devices and thermocouples.

• Mechanical Properties:

Tensile Strength: Provides excellent tensile strength, which allows it to endure mechanical stresses, especially in heating elements.

Ductility: Good ductility for forming wires, ensuring easy fabrication into various shapes and sizes for different applications.

Fatigue Resistance: Withstands repeated heating and cooling cycles without significant degradation, ensuring long service life in high-temperature applications.

• Weldability and Fabrication:

Easy to Weld: Suitable for standard welding processes such as TIG (GTAW) and MIG (GMAW) welding.

Formability: Can be easily drawn into wires, rods, and other forms for use in a variety of applications.

Applications:

• Heating Elements: Used in electric furnaces, ovens, and industrial heating systems, providing stable performance at high temperatures.
• Electrical Resistors: Commonly used in precision resistors, temperature-sensing devices, and thermocouples due to its stable electrical resistivity.
• Furnace Components: Ideal for components such as radiant tubes, retorts, and muffles used in high-temperature processes.
• Chemical Processing Equipment: Suitable for reactors, heat exchangers, and gasification systems exposed to high temperatures and corrosive environments.
• Automotive and Aerospace: Utilized in turbochargers, exhaust systems, and high-temperature applications in engines and turbines.

Advantages of NiCr Alloy Wire Cr15Ni60 / 60Ni16Cr / NiCr6015:

• High-Temperature Stability: Excellent at maintaining strength and performance at temperatures up to 1000°C (1832°F).
• Oxidation Resistance: Forms a protective oxide layer at elevated temperatures, providing long-term durability in hot, oxidative conditions.
• Good Electrical Resistivity: Stable electrical properties, ideal for resistive elements in heating and sensing applications.
• Ease of Fabrication: Easy to fabricate into wire or other forms for industrial use.
• Long Service Life: High resistance to thermal fatigue, oxidation, and corrosion ensures long-lasting performance in demanding applications.

Limitations of NiCr Alloy Wire Cr15Ni60 / 60Ni16Cr / NiCr6015:

• Cost: Higher cost compared to standard alloys due to the nickel content and its specialized properties.
• Moderate Aqueous Corrosion Resistance: While resistant to high temperatures and oxidation, it may not be as effective in extremely acidic or chloride-rich environments.
• Cold Work Hardening: Can work-harden during cold processing, requiring careful handling and machining techniques.

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.