Welcome to Maduka Metals, your trusted partner for premium industrial materials right here in Abuja. We take pride in supplying robust and reliable solutions for Nigeria’s growing engineering sectors, and our Copper Nickel 955 bars and rods are a perfect example. Known for their exceptional resistance to seawater corrosion, these alloys are a cornerstone for projects demanding longevity and unwavering performance in the most challenging environments, helping local industries build with confidence and durability.
The composition of Copper Nickel 955, often called cupronickel, is a sophisticated blend primarily of copper with a significant nickel content, plus carefully added iron and manganese. This specific recipe gives the bars and rods their renowned strength, excellent ductility, and superb thermal conductivity. They are particularly valued for their toughness and ability to be easily welded and fabricated, making them a versatile and dependable choice for engineers and fabricators who need a material that can handle both mechanical stress and harsh conditions.
| Standards | ASTM B151 / ASME SB151 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI all International Standards |
| Diameter | Outside Diameter in the range of 4mm to 500mm |
| Width | 1m to 48″ |
| Hex Bars | 18mm – 57mm (11/16″ to 2-3/4″) |
| Square Bars | 18mm – 47mm (11/16″ to 1-3/4″) |
| Flat Bars | 1/2” to 10” in the thickness range of 2mm to 150mm |
| Wire Length | Max 12000 mm |
| Wire Diameter | 5.5 – 400 mm |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Types | Round, Square, Hex (A/F), Flat, Square, Rectangle, Billet, Ingot, Forging, Wire Bobbin, Wire Spool, Wire Rope, Spring Wires, Welding Wire, Coiled Wire Etc. |
| STANDARD | UNS | WERKSTOFF NR. |
| Cu-Ni 95/5 | C70400 | – |
Melting Point – Liquidus°F |
2050 |
Densitylb/cu in. at 68°F |
0.323 |
Specific Gravity |
8.94 |
Electrical Conductivity% IACS at 68°F |
14 |
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F |
37 |
Coefficient of Thermal Expansion 68-57210?6 per °F (68 – 572°F) |
9.7 |
Specific Heat CapacityBtu/ lb /°F at 68°F |
0.09 |
Modulus of Elasticity in Tensionksi |
17000 |
Modulus of Rigidityksi |
6400 |
Yes, Copper-nickel 95/5 bars and rods are suitable for hygienic and sanitary applications due to their antimicrobial properties, corrosion resistance, and non-toxic nature, making them ideal for water and food-related systems.
Yes, Copper-nickel 95/5 bars and rods can be recycled after use. Their high recyclability allows them to be reprocessed without significant loss of properties, promoting sustainability and resource efficiency.
Yes, Copper-nickel 95/5 bars and rods are suitable for potable water applications due to their excellent corrosion resistance, biofouling resistance, and durability, ensuring safe and long-lasting performance in water systems.
The uses for these robust bars and rods are extensive, especially in a nation with significant maritime and energy interests. They are the go-to material for critical components in shipbuilding, such as propeller shafts and seawater piping systems, where saltwater resistance is non-negotiable. Beyond the sea, they are essential in desalination plants, offshore oil and gas platforms, and power generation facilities, proving invaluable for condensers, heat exchangers, and any application where reliability in corrosive environments is paramount to a project’s success and safety.
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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