- sales@blundellpipes.co.nz
- Hamilton, New Zealand
Home > Copper Nickel > Copper Nickel Mechanical Tubing
For generations, Blundell Pipes and Tubes in Hamilton has been a cornerstone of New Zealand’s industrial landscape. We take particular pride in our Copper Nickel mechanical tubing, a product born from our commitment to local manufacturing excellence. This isn’t just another piece of pipe; it’s a carefully crafted solution designed to stand up to the harshest marine and industrial environments, providing reliability and longevity for critical projects right across the country and beyond.
The strength of this tubing comes from its unique copper-nickel composition, often 90/10 or 70/30, which gives it a distinct advantage. This alloy delivers outstanding mechanical properties, including excellent tensile strength and formidable resistance to corrosion, especially in aggressive saltwater settings. It’s also highly ductile, making it easier to fabricate and bend into complex shapes without sacrificing its structural integrity or its natural resistance to biofouling.
Specifications : ASTM / ASME SB 111 / 151 / 466
Standard : ASTM, ASME and API
Size : 1/2″ TO 6′ IN OD & NB IN Various SWG & SCH
Outer Diameter : 4.00 to 22.00 mm
Well Thickness : Between 0.15mm and 1.50 mm
Length : Single Random, Double Random & Required Length
Schedule : SCH20, SCh20, SCh30, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Types : Mechanical
Form : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes
End : Plain End, Beveled End, Treaded
Grades : Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
| 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 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 90-1000 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 Mechanical Tubing from Blundell 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 Mechanical Tubing from Blundell 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 Mechanical Tubing to meet your specific requirements. Our team at Blundell Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@blundellpipes.co.nz.
Copper Nickel Mechanical Tubing finds extensive use in marine engineering, offshore platforms, shipbuilding, and desalination plants, particularly in applications that demand strength and resistance to seawater corrosion. It’s frequently utilized in structural frameworks, heat exchangers, condensers, hydraulic systems, and cooling water lines. Thanks to its outstanding mechanical properties and corrosion resistance, this tubing is ideal for powering various systems in demanding environments.
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