- sales@tunpipes.com
- Naypyidaw, Myanmar
Home > Copper Nickel > Copper Nickel Boiler Tubing
Nestled in the industrial landscape of Naypyidaw, Tun Pipes stands as a trusted manufacturer and supplier, specifically excelling in the production of high-grade Copper Nickel boiler tubing. We are dedicated to supporting vital industries with tubing solutions engineered for longevity and exceptional performance. Our commitment extends beyond supply, focusing on providing reliable products that form the robust circulatory systems for high-stakes operations throughout Myanmar and the surrounding region. We are here to provide durable solutions that make a real difference in your critical projects.
The composition of Copper Nickel tubing, typically containing 90% copper and 10% nickel, is the secret to its outstanding durability. This unique alloy offers remarkable resistance to corrosion from saltwater, making it incredibly resilient in challenging environments. The material maintains excellent mechanical strength even under high temperatures and pressures, ensuring dependable performance when it matters most. Its ability to withstand thermal stress and resist biofouling makes it a remarkably reliable and long-lasting choice for demanding thermal applications, providing peace of mind for engineers and operators.
| Boiler Tube Standard | ASTM B552 / ASME SB552 |
| Seamless Boiler Tube Sizes | 1 / 2″ NB – 16″ NB |
| Welded Boiler Tube Sizes | 1 / 2″ NB – 24″ NB |
| Boiler Tube Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Boiler Tubes available Ex-stock |
| Boiler Tube Manufacturing Process | Seamless / Welded / ERW |
| Cupro Nickel Boiler Tube Schedule | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Boiler Tube Length | Single Random, Double Random, Standard & Cut length |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Cupro Nickel Boiler Tubes, Finish as per customer Requirements |
| Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
| Properties | Imperial | Metric |
|---|---|---|
| Yield strength (depending on temper) | 40000-76000 psi | 276-524 MPa |
| Shear modulus | 6380 ksi | 44.0 GPa |
| Tensile strength | 38000-77000 psi | 262-531 MPa |
| Elongation at break (in 50.8 mm) | 46% | 46% |
| Poisson’s ratio | 0.34 | 0.34 |
| Elastic modulus | 17000 ksi | 117 GPa |
| Machinability (UNS C36000 (free-cutting brass) = 100) | 20 | 20 |
| Designation | Chemical Composition % | ||||||||
| Cu | Sn | Al | As | Ni | Fe | Mn | Pb max. | Zn | |
| C70400 | Rem | – | – | – | 4.8-6.2 | 1.3-1.7 | 0.3-0.8 | 0.05 | 1.0max |
| 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 Boiler Tubing from Tun 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 Boiler Tubing from Tun 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.
Yes, we offer custom sizes for Copper Nickel Boiler Tubing to meet your specific requirements. Our team at Tun Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@tunpipes.com.
Copper Nickel Boiler Tubing finds extensive use in marine boiler systems, naval vessels, and offshore platforms, thanks to its remarkable resistance to seawater corrosion and biofouling. In the power generation sector, it’s utilized in boilers, superheaters, and heat exchangers to manage high-pressure steam and heated fluids. Additionally, it plays a vital role in desalination plants, chemical processing units, and thermal power stations, where reliability during temperature fluctuations is essential. With its outstanding thermal and mechanical properties, it’s the go-to choice for critical heat transfer applications.
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