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Based in Kinshasa, Congo, Okoye Nickel Alloys is a leading manufacturer and supplier of top-quality nickel alloys, copper and nickel products We specialize in Copper Nickel 70/30 pipe, which is known for its outstanding corrosion resistance, durability and strength, making them what good for demanding marine and industrial applications Our products are carefully manufactured to exacting industry standards, providing long-term performance in harsh environments. With a focus on quality, accuracy and customer satisfaction, Okoye Nickel Alloys has earned a reputation as a trusted partner for businesses seeking reliable material solutions in the region.
Okoye Nickel Alloys, located in Kinshasa, Congo, stands out as a top manufacturer and supplier of high-quality Copper Nickel 70/30 Pipes. These pipes are celebrated for their impressive strength, durability, and outstanding resistance to corrosion, making them perfect for marine, industrial, and chemical applications. With cutting-edge manufacturing technology and rigorous quality control, Okoye Nickel Alloys guarantees that every pipe meets international standards and consistently performs well. Their Copper Nickel 70/30 Pipes are trusted by both local and global clients, proving to be ideal for seawater piping systems, offshore platforms, heat exchangers, and other critical applications where resistance to corrosion, biofouling, and harsh conditions is crucial.
| ASTM Specification | ASTM B466/ ASME SB466, ASTM B467/ ASME SB467, ASTM B608 |
|---|---|
| Standard | GB, DTD, ASME, AISI, ASTM, TOCT, JIS, NF, SAE, DIN, AMS, DS, EN |
| Size of Seamless Pipe | Wall thickness.: 0.05- 20 milimeter, 4 – 219 milimeter |
| Size of Welded Pipe | 5.0 to 1219.02 milimeter |
| size of EFW Pipe | 5.0 to 1219.02 milimeter |
| Seamless Tube Size | 3.35 milimeter To 101.6 milimeter OD |
| Welded Tube Size | 6.35 milimeter To 152 milimeter OD |
| Bwg & Swg | 18 Swg., 14 20 Swg., Swg. Swg., 12 16 Swg., 10 Swg. |
| Tubing wall thickness | 0.020″ –0.220″, (custom wall thicknesses available) |
| Pipe Schedule | SCH20, XS, STD, XXS, SCH60, SCH140, SCH80, SCH80, SCH5, SCH40S, SCH40, SCH120, SCH10S, SCH10, SCH30, SCH160 |
| Length | Standard & Cut length , Single Random, Double Random Pipe |
| Finish | AP (Annealed & Pickled), BA (Bright & Annealed), NO.1, 2B, Polished, MF, HL, NO.4, Mirror finish, BA, 8K etc |
| End | Plain End, Beveled End, Treaded Pipe, Screwed ends |
| Form | Hydraulic, Rectangular, Coiled, Square, Hollow, Round, Straight Pipes/tubes, “U” Shape, Pan Cake Coils, Boiler, LSAWetc. |
| Application | Dairy Pipe, Oil Pipe/tube, Gas Pipe/tube, Fluid Pipe/tube, Boiler Tube, Heat exchanger Tube |
| Type | Seamless /ERW/ EFW / Welded / Fabricated /CDW /DOM/CEW Copper Nickel 70/30 Pipe |
| Cu | Pb | Mn | Fe | Zn | Ni | |
|---|---|---|---|---|---|---|
| MIN | 65.000 | – | – | 0.400 | – | 29.000 |
| MAX | 70.000 | 0.500 | 1.000 | 1.000 | 1.000 | 33.000 |
| Yield Strength 0.2% Proof (MPa) |
Yield Strength 0.2% Proof (MPa) |
Tensile strength (MPa) |
Elongation (% in 50mm) |
Hardness (HRB) |
|---|---|---|---|---|
| MIN | 88 | 372 | 45.00 | |
| MAX | 483 | 517 | 51 |
| Density | kg/dm³ | 8.95 |
|---|---|---|
| Melting Range | °C | 1170-1240 |
| Specific Heat | J/kg °K | 377 |
| Thermal Conductivity | W/m°K | 29 |
| Coeff. of Linear Expansion 10-300°C” | 10-6/°K | 16 |
| Electrical Resistivity | microhm. cm | 34 |
| Modulus of Elasticity | GPa | 152 |
| Modulus of Rigidity | GPa | 56 |
The Copper Nickel 70/30 Pipes from Okoye Nickel Alloys are made up of about 70% copper and 30% nickel, along with small amounts of iron and manganese to boost strength and corrosion resistance. This unique blend offers excellent protection against seawater corrosion, stress cracking, and biofouling. On a mechanical level, these pipes showcase high tensile strength, good ductility, and remarkable impact toughness, all while maintaining their shape under varying temperatures. These characteristics ensure dependable performance and long-lasting durability in tough marine and industrial settings.
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Okoye Nickel Alloys’ Copper Nickel 70/30 Pipes are extensively utilized in industries that demand robust and corrosion-resistant piping solutions. You’ll find them in shipbuilding, marine piping systems, offshore oil and gas operations, desalination plants, and cooling water systems. They’re also essential in heat exchangers, condensers, and chemical processing equipment where exposure to seawater and harsh chemicals is common. With their long-lasting performance, reliability, and safety, Okoye Nickel Alloys’ Copper Nickel 70/30 Pipes are the go-to choice for engineers and industries working in challenging environments.
