Welcome to Maduka Metals, your trusted partner for premium industrial materials right here in Abuja. We take pride in supplying high-quality Copper Nickel Round Bars, engineered to meet the rigorous demands of various sectors. Known for their exceptional durability and resistance, our round bars are the go-to choice for professionals who value reliability and performance. We understand the unique challenges of the Nigerian market and are committed to providing solutions that not only meet but exceed expectations, ensuring your projects are built on a foundation of strength and integrity.
These round bars are crafted from a sophisticated copper-nickel alloy, often with a small addition of iron and manganese. This specific composition is the secret to their outstanding performance, granting them superior resistance to corrosion, especially in aggressive saltwater environments. They also possess excellent mechanical strength and toughness, maintaining their integrity under high stress and across a wide range of temperatures. This combination of properties makes them incredibly reliable for long-term applications where failure is not an option.
| Specifications | ASTM B151 / ASME SB151 |
|---|---|
| Dimensions | ASTM, ASME and API |
| Size | 5 mm To 500 mm |
| Diameter | 10 mm To 100 mm |
| Length | 100 mm To 3000 mm Long & Above, 100 mm TO 90/100 mm |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging Etc., |
| Condition | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cu-Ni 90-10 | 88.6 min | 1.0 max | .05 max | 9-11 max | 1.8 max | 1 max |
| Cu-Ni 70-30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel 90/10, 70/30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| 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 |
| STANDARD | WERKSTOFF NR. | UNS |
| Cupro Nickel 90/10 | 2.0872 | C70600 |
| Cupro Nickel 70/30 | 2.0882 | C71500 |
| Type | SIZES (mm) | SIZES (Inches) | ISO Tolerance |
|---|---|---|---|
| Cold Drawn and Ground | 10.00 – 75.00 | 5/6″ – 2.50″ | h8-h9-h10-h11 |
| Peeled and Polished | 40.00 – 150.00 | 1.50″ – 6.00″ | h11, h11-DIN 1013 |
| Peeled and Ground | 20.00 – 50.00 | 3/4″ – 2.00″ | h9-h10-h11 |
| Cold Drawn and Polish | 3.00 – 75.00 | 1/8″ – 3.00″ | h8-h9-h10-h11 |
Yes, copper-nickel round bars are customizable in terms of alloy composition, dimensions, mechanical properties, and surface finishes to meet specific application requirements across various industries.
The unique properties of Copper Nickel Round Bars make them indispensable in marine and industrial settings. You’ll commonly find them in the critical systems of ships and offshore platforms, such as condenser tubes, piping for seawater, and pump shafts. Beyond the sea, they are essential in power generation plants for condensers and heat exchangers, and in the oil and gas industry for handling corrosive fluids. Their reliability also makes them a smart choice for desalination plants and other applications where longevity and minimal maintenance are paramount.
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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