Shanghai Tankii Alloy Material Co.,Ltd

The copper-nickel alloy system, often referred to as Cu-Ni alloys, is a group of metallic materials that combine the properties of copper and nickel to create alloys with exceptional corrosion resistance, thermal conductivity, and mechanical strength. These alloys are widely used across various industries, including marine engineering, chemical processing, and electronics, due to their unique combination of performance characteristics. At Tankii, we specialize in providing high-quality copper-nickel alloy products tailored to meet the demanding needs of our customers.   Composition and Key Alloys   Copper-nickel alloys typically consist of copper as the base metal, with nickel content ranging from 2% to 45%. The addition of nickel enhances the alloy's strength, corrosion resistance, and thermal stability. Some of the most common copper-nickel alloys include: 1.Cu-Ni 90/10 (C70600): Comprising 90% copper and 10% nickel, this alloy is renowned for its excellent resistance to seawater corrosion, making it ideal for marine applications such as shipbuilding, offshore platforms, and desalination plants. 2.Cu-Ni 70/30 (C71500: With 70% copper and 30% nickel, this alloy offers even greater corrosion resistance and strength. It is commonly used in heat exchangers, condensers, and piping systems in aggressive environments. 3.Cu-Ni 55/45(C72500): This alloy strikes a balance between copper and nickel, providing superior electrical conductivity and thermal performance. It is often used in electrical connectors and electronic components.   Key Properties and Advantages   Copper-nickel alloys are prized for their unique properties, which make them suitable for a wide range of applications: - Corrosion Resistance: These alloys exhibit exceptional resistance to corrosion in seawater, brackish water, and other harsh environments. This makes them a preferred choice for marine and offshore applications. - Thermal Conductivity: Copper-nickel alloys maintain excellent thermal conductivity, ensuring efficient heat transfer in heat exchangers and cooling systems. - Mechanical Strength: The addition of nickel significantly improves the mechanical strength and durability of the alloy, allowing it to withstand high pressures and temperatures. - Biofouling Resistance: Copper-nickel alloys are naturally resistant to biofouling, reducing the growth of marine organisms on surfaces and minimizing maintenance costs. - Weldability and Fabrication: These alloys are easy to weld, braze, and fabricate, making them versatile for various manufacturing processes.   Applications of Copper-Nickel Alloys   The versatility of copper-nickel alloys makes them indispensable in numerous industries: - Marine Engineering: Used in ship hulls, piping systems, and offshore structures due to their resistance to seawater corrosion and biofouling. - Chemical Processing: Ideal for equipment exposed to corrosive chemicals, such as heat exchangers, condensers, and reactors. - Power Generation: Employed in power plant condensers and cooling systems for their thermal conductivity and corrosion resistance. -Electronics: Utilized in electrical connectors, circuit boards, and other components requiring high conductivity and reliability.   Why Choose Tankii At Tankii, we are committed to delivering premium copper-nickel alloy products that meet the highest industry standards. Our expertise in metallurgy and manufacturing ensures that our alloys provide unmatched performance and longevity. Whether you need custom solutions or standard products, we are here to support your projects with innovative materials and exceptional service.   Explore our range of copper-nickel alloys and discover how they can enhance the performance and durability of your applications. Contact us today to learn more about our products and how we can partner with you to achieve your goals.

In an era where precision, durability, and efficiency define industrial progress, nichrome wire continues to stand as a cornerstone of thermal innovation. Composed primarily of nickel (55–78%) and chromium (15–23%), with trace amounts of iron and manganese, this alloy’s unique properties make it indispensable across industries—from household appliances to aerospace engineering. Here, we explore the diverse applications of nichrome wire and its role in shaping modern heating technologies.     Core Properties Driving Nichrome’s Versatility Nichrome’s value lies in its exceptional balance of physical and electrical characteristics. With a resistivity of 1.0–1.1×10⁻⁶ Ω·m and a melting point exceeding 1400°C315, it efficiently converts electrical energy into heat while resisting oxidation and corrosion even under extreme conditions. Its non-magnetic nature, ductility, and low thermal expansion further enhance its adaptability315. These traits ensure consistent performance in environments demanding reliability, from high-temperature industrial furnaces to precision medical devices.     Key Applications of Nichrome Wire 1. Household Appliances Nichrome wire is the backbone of everyday heating devices. Toasters, hair dryers, ovens, and electric kettles rely on its ability to generate rapid, uniform heat. For instance, nichrome 60 (Ni60Cr15) is widely used in moderate-heat appliances like grills and storage heaters, while nichrome 80 (Ni80Cr20) excels in high-intensity applications such as water heaters and soldering irons due to its superior oxide adhesion and longevity915. 2. Industrial and Manufacturing Processes In industrial settings, nichrome wire powers electric furnaces, kilns, and thermal processing equipment. Its creep resistance—retaining structural integrity under prolonged stress at temperatures above 400°C—makes it ideal for annealing, melting, and heat treatment315. Industries like metallurgy and ceramics utilize nichrome strips and coils for their stability in reducing atmospheres, avoiding issues like “green rot” seen in other alloys9. 3. Aerospace and Automotive Systems Nichrome’s reliability extends to demanding environments such as aerospace de-icing systems, engine sensors, and cabin heaters. Its ability to withstand thermal cycling and harsh conditions ensures safety and efficiency in critical components15. Automotive applications include seat warmers and defrosting cables, where nichrome 30 and 40 variants provide durable, energy-efficient heating9. 4. Medical and Laboratory Equipment In healthcare, nichrome wire enables precise thermal control in surgical instruments, heating pads, and sterilization devices. Laboratories leverage its inertness for flame tests and remote ignition of reactive compounds, minimizing contamination risks715. 5. Emerging Innovations and Custom Solutions Advancements in nichrome alloys focus on enhancing efficiency through refined compositions and manufacturing techniques. Vacuum-induction melting, for example, produces grades like Ni80Cr20-VI, optimized for high-reliability electrothermal equipment3. Additionally, nichrome’s role in energy-efficient appliances and thermal spray coatings highlights its potential in sustainable industrial practices15.     Selecting the Right Nichrome Wire Choosing the appropriate grade and gauge requires evaluating operating temperatures, environmental conditions, and electrical specifications. Thinner wires (higher gauge) suit high-resistance needs, while thicker variants handle greater current loads15. For extreme environments, nichrome 70 and 80 offer unmatched durability, whereas nichrome 20 balances cost and performance for electronic terminals9.     Safety and Sustainability Considerations While nichrome’s heat resistance reduces maintenance needs, proper handling remains critical. Insulation, temperature controllers, and regular inspections mitigate risks of overheating and electrical hazards15. Moreover, its longevity and recyclability align with global efforts to minimize industrial waste.     About Our Company As a leader in advanced alloy solutions, we specialize in manufacturing high-performance nichrome wire tailored to diverse applications. Our state-of-the-art facilities employ precision engineering and rigorous quality control to deliver alloys that exceed industry standards. From aerospace-grade heating elements to custom resistor designs, our products drive innovation across sectors.   Nichrome wire’s unparalleled versatility cements its status as a vital material in modern engineering. As industries evolve, so too will its applications—propelled by advancements in material science and a commitment to sustainability. For tailored nichrome solutions that meet your technical and operational demands, contact our team today.  

Recently, leveraging its robust production capabilities and high - quality product services, Tankii successfully fulfilled an order to export 30 tons of FeCrAl (iron - chromium - aluminum) resistance alloy wire to Europe. This large - scale product delivery not only highlights the company's profound foundation in the international market but also demonstrates its outstanding competitiveness in the resistance alloy wire industry.​   The exported FeCrAl resistance alloy wires, with diameters ranging from 0.05 to 1.5mm, are meticulously customized for various resistor elements. Manufactured using advanced metallurgical processes and a strict quality control system, these products exhibit exceptional high - temperature resistance, capable of operating stably at temperatures up to 1400°C. They also feature excellent oxidation and corrosion resistance, effectively extending the service life of equipment. With a stable resistivity and minimal resistance variation across different temperature ranges, they provide reliable and consistent power support for customers' production equipment. Additionally, FeCrAl resistance alloy wires are characterized by their low specific gravity and high surface load. Compared with similar products, they can significantly reduce equipment energy consumption and operating costs, thereby creating greater economic benefits for customers.​   In the product packaging process, Tankii adheres to a rigorous and responsible approach. DIN spools that comply with European standards are used for precise winding, ensuring that each coil of resistance alloy wire is neatly and tightly arranged, effectively preventing loosening and damage during transportation. Subsequently, the spools are placed in specially designed carton cases and reinforced with cushioning materials to avoid collisions. Finally, the carton cases are neatly stacked on wooden pallets or in wooden cases and secured with steel straps to meet the requirements of long - distance transportation and frequent handling. Every packaging detail, from the tightness of the winding to the sealing of the wooden cases, undergoes strict inspection, reaching international leading standards and providing a solid guarantee for the safe transportation of products.​   When it comes to transportation, facing the large - scale consignment of 30 tons, Tankii fully demonstrates its mature international logistics management experience. The company has established strategic partnerships with several internationally renowned logistics enterprises and formulated detailed and efficient transportation plans. By reasonably planning sea routes and optimizing customs clearance procedures, Tankii ensures the rapid clearance of goods. Meanwhile, an advanced cargo tracking system is employed to monitor the transportation status of the goods in real - time. Whether during sea voyages or land transfers, the company can promptly obtain cargo information, ensuring that the goods arrive at European customers' hands on time and safely.​   After the product delivery, European customers have highly praised Tankii's FeCrAl resistance alloy wires. They stated that Tankii's products not only meet but exceed the stringent European industry standards in terms of quality. Moreover, the packaging and transportation services reflect the professionalism of a first - class enterprise. The stable performance and precise specifications of the products have significantly enhanced the quality and production efficiency of the customers' own products. The success of this cooperation has further deepened the trust between the two parties. The customers have clearly indicated their intention to maintain long - term cooperation with Tankii and plan to expand the procurement scale in the future.​   As a leading enterprise in the resistance alloy wire field, Tankii always takes technological innovation as the driving force and customer needs as the guide. The successful export of 30 tons of FeCrAl resistance alloy wire to Europe is a testament to the company's years of dedication to the international market and continuous efforts in improving product quality and service levels. In the future, Tankii will continue to increase investment in research and development, optimize production processes, and with even higher - quality products and more comprehensive services, cooperate with global customers to explore broader market opportunities.

In the ever - evolving landscape of materials science, alloys with low thermal expansion have emerged as crucial components in numerous high - tech applications. These alloys, characterized by their minimal dimensional change when exposed to temperature variations, play a vital role in ensuring the precision and reliability of various systems. One of the most well - known low - expansion alloys is Invar   Composed mainly of iron and nickel, Invar has an extremely low coefficient of thermal expansion near room temperature. This property makes it ideal for applications where dimensional stability is of utmost importance, such as in precision measuring instruments, optical devices, and aerospace components.   At Tankii, we take pride in offering a comprehensive range of high - quality Low Expansion Alloy products. Our alloys are engineered with meticulous attention to detail, leveraging advanced manufacturing techniques and strict quality control measures.   Our Low Expansion Alloy products stand out for their exceptional performance. They exhibit outstanding resistance to thermal fatigue, ensuring long - term durability even in harsh temperature environments. The precise control of alloy composition allows us to tailor the thermal expansion coefficient to meet the specific requirements of different applications. These alloys find extensive use in various industries. In the semiconductor industry, our Low Expansion Alloys are used in the production of semiconductor packaging materials, helping to prevent thermal stress - induced failures and ensuring the reliable operation of electronic devices. In the optical industry, they are employed in the construction of high - precision optical mounts, maintaining the alignment of optical components across a wide temperature range.   We also offer customized solutions. Our team of experienced engineers works closely with customers to understand their unique needs and develop alloys with specific properties. Whether it's a special dimensional stability requirement or a particular strength - to - weight ratio, we are committed to delivering products that exceed expectations.   In conclusion, our Low Expansion Alloy products are at the forefront of materials technology, providing reliable and high - performance solutions for a wide range of applications. Discover the difference our alloys can make for your projects today.