Home > Copper Nickel > Copper Nickel Coil Tubing
David Pipes and Tubes, based in Canberra, Australia, is a reputable manufacturer and supplier of top-notch Copper Nickel Coil Tubing. These tubes are expertly crafted to provide exceptional corrosion resistance, mechanical strength, and thermal conductivity, making them perfect for tough industrial and marine applications. Built to meet international standards, Copper Nickel Coil Tubing guarantees a consistent structure, flexibility, and dependable performance in both fresh and seawater settings. David Pipes and Tubes prides itself on timely delivery and unwavering quality, serving industries like marine engineering, desalination, chemical processing, and power generation with effective and durable coiled tubing solutions.
Typically, Copper Nickel Coil Tubing consists of 10–30% nickel, with the remainder being copper, offering a tensile strength of around 300–450 MPa, yield strength of 150–250 MPa, and elongation of 30–50%. This copper-nickel alloy provides remarkable resistance to seawater corrosion, biofouling, and erosion, while also ensuring good thermal and electrical conductivity. Its coiled design simplifies installation and minimizes joint connections in piping systems.
Dimensions : DIN, ASTM, ASME, BS and all International Standards
Grade : Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Size Range : 1/8” to 2” and 2mm to 32mm tube diameter
Working Pressure : up to 6,000psi (based on severity of application)
Available Thread : NPT(ANSI B1.20.1), and ISO thread configurations (BSPT, BSPP)
| Element | Cu | Mn | Pb | Ni | Fe | Zn |
| Cu-Ni | 88.6 min | 1.0 max | .05 max | 9-11 max | 1.8 max | 1 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| Property |
Metric Units |
Imperial Units |
|---|---|---|
|
Melting Point (Liquidus) |
11,500°C |
21,000°F |
|
Melting Point (Solidus) |
11,000°C |
20,100°F |
|
Density |
8.94 gm/cm³ @ 20°C |
0.323 lb/in³ @ 68°F |
|
Specific Gravity |
8.94 |
8.94 |
|
Coefficient of Thermal Expansion |
17.1 x 10 -6 / °C (20-300°C) |
9.5 x 10 -5 / °F (68-392°F) |
|
Themal Conductivity |
40 W/m. °K @ 20°C |
23 BTU/ft³/ft/hr/°F @ 68°F |
|
Thermal Capacity (Specific Heat) |
380 J/kg. °K @ 20°C |
0.09 BTU/lb/°F @ 68°F |
|
Electrical Conductivity (Annealed) |
5.26 microhm?¹.cm?¹ @ 20°C |
9.1% IACS |
|
Electrical Resistivity (Annealed) |
0.190 microhm.cm @ 20°C |
130 ohms (circ mil/ft) @ 68°F |
|
Modulus of Elasticity (tension) |
140 GPa @ 20°C |
20 x 10 6 psi @ 68°F |
|
Modulus of Rigidity (torsion) |
52 GPa @ 20°C |
7.5 x 10 6 psi @ 68°F |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Copper Nickel Coil Tubing from David Pipes and Tubes ensures outstanding corrosion resistance, high strength, and durability. Our Tube is designed for diverse industrial applications, delivering reliability and performance in challenging environments while maintaining competitive pricing.
Choose Copper Nickel Coil Tubing from David Pipes and Tubes for its superior seawater corrosion resistance, biofouling protection, and excellent thermal conductivity, making it ideal for marine, industrial, and coastal applications requiring long-lasting performance and reliability.
| Wall | Sizes ( O.D.) |
|---|---|
| .010 | 1/16″, 1/8″, 3/16″ |
| .020 | 1/16″, 1/8″, 3/16″, 1/4″, 5/16″, 3/8″ |
| .012 | 1/8″ |
| .016 | 1/8″, 3/16″ |
| .028 | 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 1/2″, 3/4″, 1″, 1 1/2″, 2″ |
| .035 | 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 7/16″, 1/2″, 16″, 5/8″, 3/4″, 7/8″, 1″, 1 1/4″, 1 1/2″, 1 5/8″, 2″, 2 1/4″ |
| .049 | 3/16″, 1/4″, 5/16″, 3/8″, 1/2″, 16″, 5/8″, 3/4″, 7/8″, 1″, 1 1/8″, 1 1/4″, 1 1/2″, 1 5/8″, 2″, 2 1/4″ |
| .065 | 1/4″, 5/16″, 3/8″, 1/2″, 16″, 5/8″, 3/4″, 7/8″, 1″, 1 1/4″, 1 1/2″, 1 5/8″, 1 3/4″, 2″, 2 1/2″, 3″ |
| .083 | 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 7/8″, 1″, 1 1/4″, 1 1/2″, 1 5/8″, 1 7/8″, 2″, 2 1/2″ ,3″ |
| .095 | 1/2″, 5/8″, 1″, 1 1/4″, 1 1/2″, 2″ |
| .109 | 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″ |
| .120 | 1/2″, 5/8″, 3/4″, 7/8″, 1″, 1 1/4″, 1 1/2″, 2″, 2 1/4″, 2 1/2″, 3″ |
| .125 | 3/4″, 1″, 1 1/4″, 1 1/2″, 2″, 3″, 3 1/4″ |
| .134 | 1″ |
| .250 | 3″ |
| .375 | 3 1/2″ |
Yes, we offer custom sizes for Copper Nickel Coil Tubing to meet your specific requirements. Our team at David Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@davidpipes.com.
You’ll find Copper Nickel Coil Tubing commonly used in marine piping systems, heat exchangers, condensers, desalination plants, and the chemical processing sector. It’s particularly suited for seawater cooling systems, fresh and brackish water pipelines, and chemical transfer applications where corrosion resistance, flexibility, and long-lasting durability are essential. These tubes deliver reliable, efficient, and low-maintenance performance in challenging industrial and marine environments.
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