- sales@mariapipes.com
- Kuala lumpur, Malaysia
Home > Copper Nickel > Copper Nickel Boiler Tubing
Maria Pipes and Tubes, located in Kuala Lumpur, Malaysia, has built a solid reputation as a reliable manufacturer and supplier of high-performance piping and tubing solutions across various industrial sectors. With a strong emphasis on quality, precision, and durability, the company ensures that its products meet international standards and are well-suited for demanding applications. Thanks to their advanced manufacturing facilities and a skilled workforce, they produce tubing that is not only reliable but also corrosion-resistant and built to last. Serving both local and global clients, Maria Pipes and Tubes has earned a reputation for providing efficient solutions tailored to the specific needs of marine, power generation, and industrial applications.
When it comes to copper nickel boiler tubing, it’s typically made from a blend of copper and nickel in different ratios, with the most common being 90/10 or 70/30. This combination enhances the tubing’s strength, corrosion resistance, and thermal conductivity. The alloy is particularly effective against seawater corrosion, biofouling, and stress corrosion cracking, making it perfect for tough operational environments. It maintains its mechanical integrity even under high temperatures and pressures, offering impressive elongation, tensile strength, and erosion resistance. Plus, the smooth internal surface promotes efficient heat transfer, while its durability minimizes the need for frequent maintenance and replacements in boiler systems.
| 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 Maria 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 Maria 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 Maria Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@mariapipes.com.
This type of tubing finds extensive use in marine engineering, power generation, and desalination plants, especially in boiler, heat exchanger, and condenser systems. Its remarkable resistance to seawater corrosion makes it a top choice for shipbuilding, offshore platforms, and coastal power facilities. It’s also utilized in industrial boilers where the demands of continuous thermal cycling and pressure require high-performance materials. Additionally, its thermal efficiency and strength make it ideal for petrochemical plants, refinery equipment, and other applications where long service life and reliability in extreme conditions are essential.
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