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Aria Fasteners, a reputable manufacturer and supplier located in Hamilton, New Zealand, is well-regarded for providing top-notch **Copper Nickel 70/30 Stud Bolts** designed for tough industrial settings. With a keen emphasis on precision engineering, high-quality materials, and dependable performance, the company caters to the marine, chemical processing, and power generation industries both locally and globally. Their state-of-the-art facilities and rigorous quality control measures guarantee that every product adheres to international standards for corrosion resistance and durability. Thanks to their technical know-how and customer-centric approach, Aria Fasteners has become a go-to source for high-performance fastening solutions.
The Copper Nickel 70/30 Stud Bolts are crafted from an alloy that consists of roughly **70% copper and 30% nickel**, with minor additions of iron and manganese to boost strength and resistance to seawater corrosion. This material provides exceptional protection against biofouling, erosion, and stress corrosion cracking. In terms of mechanical properties, it offers moderate tensile strength, high ductility, and reliable toughness across a range of temperatures. The alloy’s stable microstructure ensures consistent performance even in high-pressure and high-salinity conditions, making it ideal for long-term industrial applications.
Grade | Cu | Mn | Pb | Ni | Fe | Zn |
Cupro Nickel 70/30 | 88.6 min | 1.0 max | 0.05 max | 9-11 max | 1.8 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 |
| Material | Copper Nickel Stud Bolts |
|---|---|
| Grades | Cooper Nickel 70/30 |
| ASTM / ANSI | ASME SB 151/ ASTM B151 |
| Size | M2 – M160 |
| Threads: | BSW, METRIC, UNF, UNC, BSF,or as required |
| Copper Nickel 70/30 Stud Bolts Length | 3 mm to 200 mm |
| other sizes | M20, M2, M12, M2.5, M10, M6, M24, M4, M3, M30, M5, M36, M8, M14, M16 etc. |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Copper Nickel 70/30 Stud Bolts are used frequently in marine applications such as in ships and offshore platforms because of the ability to resist corrosion in marine environment. They are used in desalination plants and they have good resistance to chloride induced corrosion. Also, these stud bolts are used in chemical processing industries, heat exchangers, and other industries where long-term performance with high durability and resistance to severe conditions are desired.
These Copper Nickel 70/30 Stud Bolts are extensively utilized in scenarios that demand superior corrosion resistance and durability in seawater and brine-rich environments. They play a crucial role in shipbuilding, desalination plants, and offshore oil and gas platforms. Additionally, these fasteners are frequently used in heat exchangers, condensers, cooling circuits, and seawater intake systems, where resistance to erosion and metal fatigue is vital. Their natural ability to resist biofouling makes them perfect for underwater or coastal installations. Furthermore, they find applications in chemical processing and power generation systems that require reliable, long-lasting fastening solutions.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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