Home > Copper Nickel > Copper Nickel 70/30 Tubes
Copper Nickel 70/30 Tubes are essential parts custom-manufactured from a specialized alloy mixture of copper and nickel, precisely calibrated to provide outstanding performance in rigorous industrial uses. These tubes are carefully crafted with exact ratios of copper and nickel, leveraging the complementary properties of both metals. Celebrated for their unmatched corrosion resistance, Copper Nickel 70/30 Tubes perform exceptionally in settings susceptible to seawater and brine contact, rendering them essential in marine and offshore sectors. Boasting notable durability and dependability, these tubes flourish in high-pressure, high-temperature conditions, guaranteeing reliable performance in vital industries like shipbuilding, desalination plants, and chemical processing facilities. Versatility across varied conditions combined with sturdy construction solidifies their position as the top selection for demanding engineering projects where consistent performance is essential.
| Specifications | : | ASTM B 111, B543, B552 ASME SB 111, SB543, SB552 |
| Dimensions | : | ASTM, ASME and API |
| Tube Size | : | 1/2″ TO 6′ IN OD & NB IN Various SWG & SCH |
| Specialized in | : | Large Diameter Size |
| Type | : | Seamless / ERW / Welded / Fabricated |
| Form | : | Round, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| Cu-Ni 70/30 | Cu | Pb | Mn | Fe | Zn | Ni |
| 65.0 min | 0.05 max | 1.0 max | 0.4-1.0 | 1 max | 29-33 max |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 0.323 lb/in3 at 68 F | 2260 F | 20000 psi | 50000 Psi | 30 % |
At Sumakhsteel, we’re proud to be the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated across the USA, we maintain an extensive stock of more than 25,000 tons of high-quality materials on hand and ready to ship.
Reach out to us for a fast quote tailored to your requirement.
We supply these Copper Nickel 70/30 Tubes conforming to DIN, ISO, JIS or ANSI Standard.
Corrosion resistance: A key benefit of copper-nickel 70/30 pipes is their outstanding resistance to corrosion, particularly in marine settings. This quality makes them perfect for marine water systems, including offshore platforms, shipyards, and desalination plants.
High Thermal Conductivity: Copper Nickel 70/30 tubes offer high thermal conductivity, enabling superb heat transfer. This characteristic proves valuable in heat exchangers, HVSC systems, and other uses where thermal efficiency matters.
Mechanical strength: These tubes possess strong mechanical strength, giving them the ability to withstand severe stresses and strains. This makes them well-suited for oil and gas transportation and for use in pipelines, water, and other high-pressure applications.
Antibacterial properties: The copper-nickel alloy features natural antibacterial qualities that help prevent algae, barnacles, molluscs, and other marine organisms from accumulating on the pipe surface mouth. As a result, the pipe needs no maintenance and enjoys an extended lifespan.
Easy to manufacture: Copper-nickel 70/30 tubes are fairly simple to manufacture, weld and install, which makes them both economical and adaptable.
Compatibility: This pipeline works well with a broad range of fluids, such as seawater, salt and various industrial chemicals, and it does not rust or corrode
Copper Nickel 70/30 Tubes serve applications as varied as the industries that use them, led mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Marine applications: Copper-nickel 70/30 tube sees extensive use in marine settings owing to its exceptional resistance to seawater corrosion. It serves in hulls, heat exchangers, condensers, and piping systems.
Power generation: These tubes serve in power plants for heat exchangers, condensers and piping systems where corrosion resistance and heat transfer are needed
Oil & Gas Industry: Copper-nickel 70/30 tubing is applied on offshore oil platforms, pipelines and refineries to withstand corrosion brought on by salty atmosphere and hydrocarbon water.
Desalination equipment: Owing to their resistance to seawater corrosion, these tubes serve in desalination equipment for heat exchangers and piping systems.
Chemical Uses: Within the chemical industry, copper-nickel 70/30 tubes serve in reactors, evaporators, heat exchangers and other equipment where resistance to chemical corrosion is needed
Heat Transfer: These tubes serve across a range of heat transfer applications, such as HVAC systems, cooling systems and heat pumps, thanks to their outstanding thermal conductivity and corrosion resistance
Understand the use: Determine what the tube will be used for. Is it for heat exchangers, condensers, marine products, or another use? Different applications may call for different specifications.
Consider corrosion resistance: Copper-nickel 70/30 tubes are recognized for their outstanding resistance to corrosion, particularly in seawater conditions. Make certain the containers you select satisfy the corrosion resistance needs of your application.
Temperature and Pressure Rating: Defines the operating temperature and pressure conditions of the hoses. Choose a pipe capable of enduring these conditions without deforming or failing.
Size and Dimensions: Take into account the size and dimensions of the containers required for your project. Confirm that the containers you pick have the correct size and length.
Material certification: Confirm that the containers comply with relevant specifications and standards, such as ASTM B111/B111M for copper and copper-alloy seamless pipe.
Construction Requirements: Take into account particular fabrication requirements like bending, welding, or brazing. Ensure the containers are appropriate for the design.
Copper Nickel 70/30 tubes provide a combination of corrosion resistance and thermal conductivity, which makes them well-suited for a range of marine and industrial uses. Although they cost more upfront than certain alternatives, their durability and long service life frequently render them cost-effective over time, reducing maintenance and replacement expenses.
Yes, Copper Nickel 70/30 Tubes can experience galvanic corrosion when they come into contact with different metals in an electrolyte solution. This type of corrosion happens because of the potential difference between metals, which causes the less noble metal (e.g., copper) to corrode faster when a more noble metal (e.g., nickel) is present.
Yes, Copper Nickel 70/30 Tubes work well for cryogenic applications because of their outstanding mix of characteristics, such as high strength, good thermal conductivity, and resistance to corrosion at low temperatures. They retain ductility and structural integrity, which makes them dependable for use in cryogenic settings like liquefied natural gas (LNG) systems.
Yes, Copper Nickel 70/30 Tubes can be recycled once they are no longer in use. Copper and nickel rank among the most recyclable metals, and their alloys such as 70/30 copper-nickel can be readily recovered using a range of recycling methods. Recycling aids in preserving natural resources, cuts down on energy use, and lessens harm to the environment.
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