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At Okoye Nickel Alloys, a leading manufacturer and supplier based in Kinshasa, Congo, we specialize in high-quality copper-nickel screws designed for optimal performance in challenging environments. Our copper-nickel screws are engineered to offer exceptional resistance to corrosion, high tensile strength, and durability, making them ideal for marine, chemical, and industrial applications. Trust in Okoye Nickel Alloys for reliable, precision-crafted fasteners that meet the highest standards of quality and reliability.
Okoye Nickel Alloys, located in Kinshasa, Congo, has built a solid reputation as a reliable manufacturer and supplier of top-notch Copper Nickel Screws. These screws are celebrated for their impressive strength, durability, and outstanding resistance to corrosion, making them perfect for tough marine, industrial, and chemical environments. With cutting-edge manufacturing processes and strict quality control measures, Okoye Nickel Alloys guarantees that each screw adheres to international standards for precision, mechanical performance, and long-lasting reliability. Their Copper Nickel Screws are trusted by both local and global clients, especially in situations where resistance to seawater, biofouling, and harsh environmental conditions is essential.
| Specifications | ASTM / ASME SB 61 / 62 / 151 / 152 |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Size | 1/2” to 12″ |
| Standards | ASTM, ASME Washer, ANSI Washer, DIN Washer, EN Washer, BS Washer etc |
| Grade | Copper & Copper Nickel Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN |
| Copper Nickel | Ni | Pb | Cu | Fe | Mn | Zn |
| 9-11 max | 0.05 max | 88.6 min | 1.8 max | 1.0 max | 1 max |
| Density | Elongation | Yield Strength (0.2%Offset) | Melting Point | Tensile Strength |
| 8.1 g/cm3 | 30 % | Psi – 35,000, MPa – 241 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 |
The Copper Nickel Screws from Okoye Nickel Alloys come in key alloy grades, such as Cu-Ni 70/30 (about 70% copper and 30% nickel) and Cu-Ni 90/10 (around 90% copper and 10% nickel), with small amounts of iron and manganese to boost strength and corrosion resistance. This specific composition offers excellent protection against seawater corrosion, stress cracking, and biofouling. On the mechanical side, these screws showcase high tensile strength, good ductility, and exceptional impact toughness, all while maintaining dimensional stability across a range of temperatures, ensuring secure and dependable fastening even in harsh conditions.
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Okoye Nickel Alloys’ Copper Nickel Screws are widely utilized in industries that demand corrosion-resistant and durable fastening solutions. You’ll find them in shipbuilding, marine piping systems, offshore oil and gas platforms, desalination plants, cooling water systems, and chemical processing equipment. They’re also commonly used in heat exchangers, condensers, and structural components that face exposure to seawater or harsh chemicals. With Okoye Nickel Alloys’ Copper Nickel Screws, you can count on secure, long-lasting connections that deliver optimal performance, reliability, and durability in challenging industrial and marine settings.
