Home > Copper Nickel > Copper Nickel 70/30 Stud Bolts
Based in Kinshasa, Congo, Okoye Nickel Alloys is a renowned manufacturer and supplier of high-quality industrial fasteners, specializing in copper, nickel and 70/30 stud bolts and with a strong commitment to quality and innovation, we offer marine. Meeting the demanding needs of the oil and gas and industrial industries Our Copper Nickel 70/30 stud bolts are known for their exceptional corrosion resistance, durability and performance in harsh environments. At Okoye Nickel Alloys, we put customer satisfaction first, providing customized solutions and timely deliveries to meet the specific needs of our global customers. Trust us for reliable and durable bonding solutions.
Okoye Nickel Alloys, located in Kinshasa, Congo, has built a solid reputation as a reliable manufacturer and supplier of top-notch Copper Nickel 70/30 Stud Bolts. These bolts are celebrated for their precision, durability, and impressive resistance to corrosion, making them perfect for tough industrial and marine settings. With cutting-edge manufacturing techniques and rigorous quality checks, Okoye Nickel Alloys guarantees that each stud bolt offers dependable performance, strength, and longevity. Both local and international clients trust their Copper Nickel 70/30 Stud Bolts, which are essential for applications that demand resistance to seawater, biofouling, and harsh chemicals—key components for piping and machinery systems.
| Specifications | ASTM B151 / ASME SB151 |
| Diameter | 1/4″-3″ Matric:M27 to M72 in length 2000mm |
| Dimensions | DIN 975/976, ASME B18.2.1, B18.31.3, B16.5 |
| DIN Standard | B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913 |
| UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
| ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
| Threads | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Type | Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling |
| Element | Cu | Mn | Pb | Ni | Fe | Zn |
| Copper Nickel 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 70/30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
The Copper Nickel 70/30 Stud Bolts from Okoye Nickel Alloys are made up of about 70% copper and 30% nickel, along with trace amounts of iron and manganese to boost their mechanical strength and corrosion resistance. This unique blend gives them outstanding protection against seawater corrosion, stress cracking, and biofouling. On the mechanical side, these bolts showcase high tensile strength, good elongation, and excellent impact toughness, all while maintaining their shape under varying temperatures. These characteristics ensure they perform reliably in demanding marine, offshore, and industrial applications where safety and durability are crucial.
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You’ll find Copper Nickel 70/30 Stud Bolts from Okoye Nickel Alloys in various industries that need robust and corrosion-resistant fastening solutions. Common uses include shipbuilding, marine piping systems, offshore oil and gas platforms, desalination plants, and cooling water systems. They’re also utilized in heat exchangers, chemical processing equipment, and power generation facilities where exposure to seawater and harsh chemicals is a regular occurrence. With Okoye Nickel Alloys’ stud bolts, you can count on secure, long-lasting connections that deliver reliability, strength, and optimal performance in critical industrial and marine operations.
