Description
Cupronickel
Wholesale Cupronickel – Direct purchase and sale of Cupronickel – Wholesaler of Cupronickel of the best quality and Cupronickel with the best international price
We are a company specialized in the international trade of cupronickel , operating as a direct buyer or seller. We completely eliminate intermediaries to offer competitive prices , rapid operations , and complete control over each transaction.
Direct purchase and sale of Cupronickel for the Global Industry
We offer cupronickel in large volumes , with national or international delivery. If you are a manufacturer requiring materials with exceptional saltwater corrosion resistance, antifouling properties , and good machinability, or if you are a cupronickel producer looking to sell your valuable production to the global market, we are your direct contact for safely and efficiently closing deals.
Our direct model guarantees a clear, commission-free business relationship , ensuring agility at every stage of the process.
What is Cupronickel?
Cupronickel (also known as copper-nickel alloy ) is an alloy of copper (Cu) as the principal element, with a significant percentage of nickel (Ni) and sometimes small additions of iron (Fe) and manganese (Mn) to improve corrosion resistance and mechanical strength. Unlike brasses (copper-zinc) and bronzes (copper-tin or others), nickel dissolves completely in copper, forming a homogeneous solid solution .
The most common cupronickel alloys for marine applications are the 70/30 (70% Cu, 30% Ni) and 90/10 (90% Cu, 10% Ni) series . The addition of nickel dramatically improves the corrosion resistance of copper, especially in seawater , making them indispensable in the naval and ocean-going industries. They also offer excellent antifouling properties , as the copper leaches slowly, preventing the growth of marine organisms.
Key Properties of Cupronickel:
- Exceptional Corrosion Resistance in Seawater: Its most notable property: It resists pitting, crevice, erosion-corrosion, and chloride ion attack.
- Antifouling Properties: The slow release of copper ions into the water prevents the adhesion and growth of algae, barnacles and other marine organisms on the surface of the material.
- Good Mechanical Strength and Ductility: They offer a good combination of tensile strength and forming capacity.
- Erosion-Corrosion Resistance: Able to withstand wear from the flow of corrosive liquids, even at high speeds.
- Stability at Moderate Temperatures: They maintain their properties over a range of operating temperatures.
- Good Weldability and Formability: Allows for relatively simple manufacturing.
- Non-Magnetic: An important feature in some applications.
Features and Specifications of Cupronickel:
We market Cupronickel in a wide variety of grades, forms, and specifications to suit the needs of various industries:
- Common Degrees and their Typical Composition:
- Cupronickel 90/10 (UNS C70600): Approx. 88.6% Cu, 10% Ni, 1.4% Fe, 0.5% Mn. It is the most common and cost-effective for many marine applications.
- Cupronickel 70/30 (UNS C71500): Approx. 69% Cu, 30% Ni, 0.6% Fe, 1% Mn. Offers superior corrosion and erosion resistance under more severe conditions and at higher flow rates.
- Cupronickel 70/30 with Chromium (UNS C71640): A stronger version of 70/30, with the addition of chromium for added strength.
- Format:
- Tubes and Pipes: Seamless or welded, for condenser systems, heat exchangers, seawater systems on ships and platforms.
- Sheets and Plates: For hull linings, heat exchanger tube sheets, marine structures.
- Bars: Round, square, for marine fasteners, valves, accessories.
- Wire: For welding, fastening elements.
- Fittings: Elbows, tees, flanges, etc., for piping systems.
- Condition/Temper: Can be supplied in annealed condition (for maximum ductility) or cold work hardened (for strength).
- Surface Finish: From a rough rolled finish to machined or polished surfaces.
Main industrial applications of Cupronickel:
Cupronickel is a vital material in industries where contact with seawater and the need for corrosion resistance are critical:
- Naval and Marine Industry:
- Piping Systems: For seawater, cooling, and fire extinguishing systems on warships, merchant vessels, cruise ships, and submarines.
- Heat Exchangers and Condensers: In ship propulsion and cooling systems, desalination plants.
- Boat Hulls: Coatings for fouling and corrosion resistance.
- Offshore Oil Platforms: Pipes and equipment exposed to seawater.
- Diving and ROV Components: Underwater and submersible equipment.
- Power Generation: Coastal power plants or those using seawater for cooling (condensers).
- Desalination Plants: Pipes, heat exchangers, and components for producing fresh water from seawater.
- Petrochemical Industry: In environments with seawater or corrosive brines.
- Fishing and Aquaculture Equipment: Fish cages and structures in marine environments.
Marketing formats:
We supply Cupronickel in the formats that best suit the logistics and needs of your project:
- Per Ton (TM) or Kilogram (KG): We adapt to the volumes required by your production or project.
- By Batch or Complete Project: Management of large and complex orders, ensuring consistency in quality and specifications.
- Cut to Size: We can supply material with specific dimensions upon request to optimize your manufacturing process and reduce waste.
- Packaging and Protection: The material is carefully packaged and protected to prevent physical damage and oxidation during shipping and storage. Packaging appropriate for its shape (tube bundles, sheets, etc.) is used.
Logistics are tailored to each destination and volume, ensuring compliance with national and international regulations for the transportation of copper alloys, with safe and efficient handling.
Advantages of working without intermediaries
Our direct approach allows:
- Highly Competitive Prices: By eliminating intermediary margins, we can offer the best market conditions for Cupronickel.
- Maximum Transparency: Direct and clear communication about the quality, origin, technical specifications, finishes, and delivery times of each batch.
- Speed and Efficiency: Streamlined processes that streamline purchasing and sales, from quote to delivery to your plant or warehouse.
- Total Supply Chain Control: Greater security, traceability, and consistency in the supply of an essential, high-value material for your production.
This ensures a more profitable, clear and reliable business operation for your business.
Who we sell to
We supply Cupronickel to:
- Shipyards and Boat Builders: For piping systems, condensers, and hull coatings.
- Power Generation Industry: For heat exchangers in coastal power plants.
- Desalination Plants: For pipes and components resistant to seawater.
- Oil and Gas Industry (Offshore): For pipes and equipment exposed to marine environments.
- Non-Ferrous Metal Distributors and Wholesalers: Seeking a reliable supply of marine alloys.
- Manufacturing and Machining Workshops: For components with high resistance to marine corrosion.
We have the capacity and experience to handle large-volume operations, both nationally and internationally.
Who we buy from
We buy Cupronickel from:
- Large Copper-Nickel Foundries and Mills: With mass production capacity and strict international quality certifications for Cupronickel grades (C70600, C71500).
- Producers of Cupronickel Tubes, Sheets, Plates and Bars: Offering materials in various shapes and conditions.
- Manufacturers with strict quality controls: Guaranteeing precise chemical composition, mechanical properties, and compliance with marine industry regulations.
We rigorously review each proposal to establish stable and efficient business relationships, prioritizing quality, regulatory compliance, and supply chain capacity.
How do we operate?
- We receive your purchase request or sales proposal, detailing the Cupronickel specifications (grade, format, dimensions, finish, applicable regulations – e.g., ASTM B111, quantity).
- We perform a thorough verification of quality and volume requirements. For sellers, this may include a detailed review of material certificates (MTC) and quality inspection.
- We negotiate directly and without intermediaries to agree on the most competitive commercial terms and prices.
- We formalize the agreement through the required documentation, ensuring the complete transparency and legality of the transaction.
- We coordinate transportation and delivery, whether domestic or international, ensuring compliance with all regulatory and customs requirements, as well as the safe handling and protection of the material, given its importance and value in critical applications.
- We ensure continuous monitoring and complete compliance throughout the entire process until the final delivery of the product to your facilities.
Our experience allows us to operate clearly, safely, and in compliance with current regulations, being especially rigorous with the quality and technical specifications of Cupronickel , due to its use in highly corrosive environments such as seawater.
Commitment to international trade
We operate under the highest global standards of legality and accountability. We apply the principles recognized by the International Chamber of Commerce (ICC) to ensure that each transaction is conducted in a professional, transparent, and secure manner, which is essential in the trade of high-performance metal products. Quality, specification, traceability, and transparency are fundamental pillars of all our operations.
Contact us
Are you looking to buy cupronickel wholesale or sell it directly without intermediaries? Contact us for personalized assistance and secure, agile, and efficient transactions.
We are direct buyers or sellers of Cupronickel , with extensive experience in international operations and logistics of marine alloys.






