Home > Copper Nickel > Copper Nickel 70/30 Stud Bolts
Based in Muscat, OMAN, Aisha 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 Aisha 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.
Copper Nickel 70/30 Stud Bolts are tough fasteners built for dependable performance in corrosive and marine settings. Made from an alloy that’s about 70% copper and 30% nickel, these bolts are fantastic at resisting seawater corrosion, biofouling, and oxidation. They’re a go-to choice in situations where durability, electrical conductivity, and non-sparking features are crucial. With their consistent threading accuracy, solid load-bearing capacity, and long lifespan, Copper Nickel 70/30 Stud Bolts are perfect for critical bolting tasks in challenging environments.
| 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 % |
These stud bolts boast a great balance of mechanical properties, including impressive tensile strength, toughness, and ductility. The nickel addition boosts their resistance to stress corrosion cracking and erosion, while iron and manganese enhance their overall strength. They maintain their mechanical stability across a wide temperature range and perform reliably even under continuous vibration and pressure. Plus, their non-magnetic nature and excellent thermal conductivity make them ideal for specialized engineering applications that require trustworthy fastening solutions.
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You’ll often find Copper Nickel 70/30 Stud Bolts in marine engineering, shipbuilding, and offshore platforms where they’re constantly exposed to seawater. They’re also widely used in oil and gas processing, desalination plants, heat exchangers, condensers, and power generation systems. Other applications include chemical processing equipment and coastal infrastructure. Thanks to their outstanding corrosion resistance, low maintenance needs, and long-term reliability, Copper Nickel 70/30 Stud Bolts are the perfect choice for demanding industrial and marine fastening tasks.
