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Puri Fasteners, a leading manufacturer and supplier in Chennai, specializes in high-quality Copper Nickel 70/30 Stud Bolts, designed for industries that require superior corrosion resistance and durability. Crafted using premium copper-nickel alloys, these stud bolts offer reliable mechanical strength and long-lasting performance, even in harsh and saline environments. Copper Nickel 70/30 Stud Bolts are ideal for marine, offshore, and chemical applications where resistance to seawater, biofouling, and corrosion is critical. Puri Fasteners is committed to precision engineering, consistent quality, and timely delivery, making their products a trusted choice for industries seeking secure and high-performance fastening solutions.
Copper Nickel 70/30 Stud Bolts are made from an alloy containing 70% copper and 30% nickel, often with small additions of iron or manganese to enhance strength and corrosion resistance. This composition ensures excellent performance in seawater and other corrosive environments. The stud bolts offer high tensile and yield strength, good toughness, and superior fatigue resistance. They maintain stability and mechanical integrity under high-pressure and temperature variations. The combination of corrosion resistance and mechanical strength makes Copper Nickel 70/30 Stud Bolts reliable for demanding marine, offshore, and chemical processing 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 extensively used in industries that operate in corrosive or saline environments. They are commonly applied in shipbuilding, marine engineering, offshore platforms, and desalination plants due to their excellent resistance to seawater and biofouling. These stud bolts are also suitable for chemical processing units, pipelines, heat exchangers, and condenser systems where corrosion resistance and durability are crucial. Additionally, they are used in power generation, HVAC, and industrial water treatment systems. Their superior mechanical strength, stability, and long-term reliability make Copper Nickel 70/30 Stud Bolts a preferred choice for critical and demanding fastening applications.
Copper Nickel 70/30 stud bolts at Puri Fasteners are packed in a way that retains their quality. Every stud bolt is protected and packed individually in moisture proof containers to ensure it is not damaged or contaminated. Proper labeling of the products makes it easier to identify them and also to manage them with a lot of ease. Our packaging process ensures that the stud bolts are well protected and are in good condition when they get to the customers, thus our promise of quality products and services.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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