Our N4/Ni201 Seamless Nickel Tube is a high-performance material built for industries tackling extreme temperatures and corrosive environments. Made from 99.6% pure nickel (N4/Ni201 grade), meeting ASTM B161 standards, these tubes offer a tensile strength of 450-600 MPa and exceptional resistance to acids, alkalis, and high-temperature oxidation. Available in outer diameters from 6mm to 100mm and wall thicknesses from 0.5mm to 5mm, they’re designed for applications in chemical processing, aerospace, and power generation. Their seamless construction ensures uniform strength and leak-free performance, ideal for high-pressure systems.
These tubes are easy to weld, form, and machine, providing flexibility for custom fabrication. With high thermal conductivity and electrical conductivity (~20-25% IACS), they excel in heat exchangers and electrical components. Whether you’re constructing chemical reactors or aerospace fluid systems, our N4/Ni201 nickel tubes deliver reliable performance, minimizing maintenance and ensuring durability in harsh conditions. They’re the go-to choice for industries that demand top-grade materials to handle extreme challenges.
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The nickel tubing market is experiencing robust growth, driven by the rising demand for materials that can withstand high temperatures and corrosive environments in industries like chemical processing, aerospace, and power generation. Chemical processing is a major driver, with reactors and heat exchangers requiring materials that resist aggressive acids and alkalis. Our N4/Ni201 seamless nickel tubing is tailored for these challenges, offering exceptional corrosion resistance and thermal performance. Aerospace is another key growth area, with nickel tubing used in high-temperature fluid systems and electrical components.
Sustainability is a defining trend in the market. Nickel’s recyclability aligns with global efforts to adopt eco-friendly materials, making it a preferred choice for industries aiming to reduce their environmental footprint. The expansion of renewable energy systems, such as solar and geothermal, is boosting demand for nickel tubing in heat exchangers, where thermal efficiency is critical. The oil and gas industry, particularly in offshore and refining operations, also relies on nickel tubing for its durability. While additive manufacturing with nickel alloys is emerging, traditional seamless tubing like our N4/Ni201 remains essential for high-pressure and high-temperature applications. As global infrastructure and clean energy projects grow, the demand for high-performance nickel materials is set to keep rising.
| Grade | Nickel (Ni)+ Cobalt (Co) | Copper (Cu) | Silicon (Si) | Manganese (Mn) | Carbon (C) | Magnesium (Mg) | Sulfur (S) | Phosphorus (P) | Iron (Fe) |
| 99.9% | ≤0.015 | ≤0.03 | ≤0.002 | ≤0.01 | ≤0.01 | ≤0.001 | ≤0.001 | ≤0.04 | |
| 99.6% | 0.1 | 0.1 | 0.05 | 0.1 | 0.1 | 0.005 | 0.002 | 0.1 |
Physical & Mechanical Properties
| Grades | N4/Ni201 | N6/Ni200 |
| Density | 8.9g/cm³ | 8.9g/cm³ |
| Melting Point | 1455°C | 1445-1470℃ |
| Coefficient of Thermal Expansion | 13.0µm/m·°C | 13.3×10⁻⁶/℃ |
| Thermal Conductivity | 10.1W/m·K | 90.7 W/m·K |
| Electrical Resistivity | 0.103×10⁻⁶Ω·/m (at 20℃) | |
| Electrical Conductivity | 14.6% IACS | |
| Tensile Strength | ≥450MPa | ≥450 MPa |
| Yield Strength | ≥200MPa | ≥150 MPa |
| Elongation at Break | ≥40% | ≥40% |
| Hardness | ≤150 |
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Our N4/Ni201 seamless nickel tubing is built for versatility and reliability across demanding applications. In chemical processing, it’s used to fabricate heat exchangers, reactors, and pipelines that handle corrosive media like acids, alkalis, and chlorides. Its seamless design ensures leak-free performance, while its corrosion resistance minimizes maintenance. In power generation, our tubing is ideal for heat exchangers and boiler components in both fossil fuel and renewable energy systems, leveraging its high thermal conductivity for efficient energy transfer.
Aerospace applications benefit from our tubing’s heat resistance and durability, making it perfect for fluid transfer systems and electrical components in high-temperature environments. The oil and gas industry uses it for pipelines and heat exchangers in refineries and offshore platforms, where it withstands harsh chemical and seawater conditions. In pharmaceuticals, our tubing supports high-purity fluid transfer, meeting strict hygiene standards. Its weldability and formability make it ideal for custom fabrication, from small-scale pharmaceutical systems to large industrial heat exchangers. Whether you’re building aerospace components or chemical reactors, our N4/Ni201 tubing delivers the durability needed for critical projects.
Comparison Parameters Table
Parameter | Our N4/Ni201 Nickel Tubing | Standard Nickel Alloy Tubing |
|---|---|---|
Composition | Ni (99.6%+), trace impurities | Ni (95-99%), variable additives |
Tensile Strength | 450-600 MPa | 400-550 MPa |
Corrosion Resistance | Excellent (Acids, Alkalis, Chlorides) | High (General corrosion, less in acids) |
Thermal Conductivity | High, ideal for heat exchangers | Moderate, less efficient heat transfer |
Electrical Conductivity | High, ~20-25% IACS | Moderate, ~15-20% IACS |
Weldability | Excellent, supports multiple methods | Good, limited by alloy composition |
Applications | Chemical, aerospace, power, oil/gas | General industrial, less specialized |
Size Options | 6mm-100mm OD, 0.5mm-5mm wall, customizable | 10mm-80mm OD, limited customization |
We’ve been delivering high-quality nickel materials for over a decade, and our N4/Ni201 seamless nickel tubing reflects our expertise and commitment to excellence. Every tube is manufactured to meet ASTM B161 standards, with rigorous testing in our state-of-the-art labs to ensure consistent quality. Our tubing offers superior corrosion resistance, high thermal and electrical conductivity, and excellent weldability, making it a standout for chemical processing, aerospace, and power generation applications. Its customizable sizes and finishes ensure you get exactly what your project needs, no compromises.
We set ourselves apart with our flexibility. Our OEM and ODM services allow us to tailor tube dimensions, grades, and surface finishes to meet your specific requirements, from small-scale fluid systems to large industrial pipelines. Our technical team is always available to provide expert guidance, helping you select the right material and fabrication techniques for optimal results. Sustainability is a core focus for us—we use recyclable materials and eco-friendly production methods to align with modern industry standards. With a global supply chain and fast delivery, we ensure your materials arrive on time, whether you’re working on a chemical plant or an aerospace facility. Our dedication to quality, customization, and customer support makes us the top choice for nickel tubing solutions.
Why Choose Our N4/Ni201 Seamless Nickel Tubing?
Our N4/Ni201 seamless nickel tubing is designed for performance, offering exceptional corrosion resistance, conductivity, and durability for high-temperature and corrosive environments. Its seamless construction ensures leak-free reliability, while its weldability and formability make it ideal for custom designs. Whether you’re fabricating heat exchangers, chemical reactors, or aerospace components, our tubing delivers results that stand up to harsh conditions. Our focus on precision manufacturing and customizable options ensures you get a product tailored to your needs, backed by years of industry expertise.
The demand for high-purity nickel materials is growing, driven by trends in renewable energy, chemical processing, and aerospace manufacturing. Our N4/Ni201 tubing meets these needs, offering versatility and reliability across industries. From power generation to pharmaceuticals, it’s designed to keep your projects running smoothly and efficiently. With global demand for durable materials on the rise, our tubing is the perfect choice for components that need to perform under pressure. Trust us to provide the materials and support you need to succeed in today’s fast-paced industrial landscape.
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About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications.
For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
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FAQs
What is N4/Ni201 seamless nickel tubing used for?
It’s used in heat exchangers, chemical reactors, aerospace fluid systems, and power generation components for high-temperature and corrosive environments.What are the key properties of N4/Ni201 nickel tubing?
It offers tensile strength of 450-600 MPa, excellent corrosion resistance to acids/alkalis, and high thermal/electrical conductivity.Can N4/Ni201 nickel tubing be welded?
Yes, it’s highly weldable using TIG, MIG, or shielded metal arc welding with compatible nickel-based fillers.What industries benefit from N4/Ni201 nickel tubing?
Chemical processing, aerospace, power generation, oil and gas, and pharmaceuticals rely on its durability and performance.What size options are available for N4/Ni201 nickel tubing?
Outer diameters range from 6mm to 100mm, wall thicknesses from 0.5mm to 5mm, with custom sizes available.Is N4/Ni201 nickel tubing suitable for corrosive environments?
Absolutely, it resists corrosion from acids, alkalis, and chlorides, making it ideal for chemical and marine applications.How does N4/Ni201 nickel tubing perform in high-temperature conditions?
Its high thermal conductivity and resistance to oxidation ensure reliable performance in high-temperature systems like heat exchangers.Can N4/Ni201 nickel tubing be customized for specific projects?
Yes, we offer OEM and ODM services to tailor tube dimensions, grades, and finishes to your project requirements.
