Welcome to Maduka Metals, your trusted partner for precision-engineered materials right here in the heart of Abuja. We specialize in supplying high-performance Copper Nickel Bright Bars, combining local accessibility with international quality standards. Our commitment is to provide industries across Nigeria with durable, reliable components that form the backbone of critical projects, ensuring you have a local source you can count on for excellence and consistent supply.
The composition of this bar is a sophisticated blend, primarily copper alloyed with nickel, which gives it exceptional resistance to corrosion, especially in harsh saline environments. This combination results in a material that is not only strong and durable but also highly ductile, allowing it to be easily machined and welded into complex components without losing its integrity, making it a favorite for demanding engineering applications.
Specification : EN, DIN, JIS, ASTM, BS, ASME, AISI
Standard Specification : ASTM B111 / ASME SB111
Size : 15NB to 150NB IN
Diameter : 3.17mm to 350mm diameter
Length : 100 mm to 3000 mm Long & Above
Tolerance : H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Hairline
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished
| Grade | Mn | Cu | Pb | Fe | Ni | Zn |
|---|---|---|---|---|---|---|
| 90/10 | 1.0 max | 88.6 min | 0.5 max | 1.8 max | 9-11 max | 1 max |
| 70/30 | 1 max | 65.0 min | 0.5 max | 0.4-1.0 | 29-33 | 1 max |
| Grade | Melting point | Density | Tensilestrength | Elongation | Yieldstrength(0.2%Offset) |
|---|---|---|---|---|---|
| 90/10 | 2260°F | 8.8g/cm3 | 50000 PSi | 30% | 20000PSi |
| 70/30 | 2260°F | 0.323 lb/in3 at 68°F | 50000 PSi | 30% | 20000PSi |
| Grade | UNS | Werkstoff Nr. |
| 90/10 | C70600 | 2.0872 |
| 70/30 | C71500 | 2.0882 |
| Bar Diameter (mm) | Weight (kg/m) |
|---|---|
| 6 | 0.22 |
| 8 | 0.39 |
| 10 | 0.62 |
| 12 | 0.89 |
| 16 | 1.58 |
| 20 | 2.47 |
| 25 | 3.85 |
| 32 | 6.31 |
| 40 | 9.86 |
| 45 | 12.5 |
| 50 | 15.4 |
| 60 | 22.2 |
| 65 | 26.0 |
| 75 | 34.7 |
| 90 | 49.9 |
| 100 | 61.6 |
Copper Nickel bright bars and rods typically have a smooth, polished surface finish with excellent corrosion resistance, ensuring a high-quality appearance and suitability for various industrial and marine applications.
Yes, Copper Nickel bright bars are highly customizable in terms of dimensions, lengths, and surface finishes to meet specific industry requirements, providing tailored solutions for various applications and projects.
Yes, Copper Nickel bright bars are fully recyclable. Their materials can be melted down and repurposed, making them environmentally friendly and a sustainable choice for various industrial applications.
Because of its unique properties, the Copper Nickel Bright Bar is indispensable in marine engineering for components like pump shafts and propeller shafts, where seawater resistance is critical. It’s also widely used in the oil and gas sector for valve stems and fittings, in desalination plants, and in power generation for condenser tubes, proving its versatility and reliability in some of the most challenging industrial environments.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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