Copper Nickel 70/30 Fasteners

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Copper Nickel 70/30 Fasteners Manufacturer, Exporter & Supplier in Dubai, UAE

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A Copper Nickel 70/30 fasteners manufacturer specializes in crafting hardware components like bolts, screws, nuts, washers, and studs from Copper Nickel alloy. Widely embraced across industries, Copper Nickel 70/30 fasteners offer exceptional corrosion resistance, elevated thermal conductivity, and robust mechanical properties. This alloy blend, comprising 70% copper and 30% nickel, ensures longevity and reliability in demanding environments, making it a preferred choice for critical applications.

Copper Nickel 70/30 Fasteners Specifications

Standard : DIN, ASTM, BS, and all International Standards

Size : 3 mm to 200 mm

Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes

Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes

Washers Size : M1 – M64 | #4 to 3″ | Custom Sizes

Length : M02 to M33

Copper Nickel 70/30 Fasteners Chemical Composition








Cupro Nickel 70/30

88.6 min

1.0 max

0.05 max

9-11 max

1.8 max

1 max

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Copper Nickel 70/30 Fasteners Mechanical Properties



Melting Point

Tensile Strength

Yield Strength (0.2%Offset)


Cupro Nickel 70/30

0.323 lb/in3 at 68 F

2260 F

50000 psi

20000 psi

30 %

Top Copper Nickel Fasteners Manufacturing Company in Dubai

At PipingMart, we take pride in being the largest supplier and manufacturer in the UAE, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UAE, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.

Contact us to get a quick quote for your requirement.

We offer These Copper Nickel 70/30 Fasteners as per DIN, ISO, JIS or ANSI Standard.

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Advantages of Copper Nickel 70/30 Fasteners

Advantages of Copper Nickel 70/30 Fasteners
  • Corrosion Resistance: The Copper Nickel 70/30 alloy is highly resistant to seawater corrosion, making it an ideal surface for marine applications. This resistance is due to forming a protective oxide layer on its surface, increasing its longevity and durability in harsh environments.

  • Low biofouling: Resistance to biofouling (accumulation of microorganisms, plants, algae, or animals in wet environments) makes it especially suitable for marine products and equipment that are constantly exposed to water

  • Mechanical Strength: Copper Nickel 70/30 provides excellent mechanical strength and flexibility, allowing fasteners made of this alloy to withstand high stresses and strains without rusting or breaking

  • Thermal stability: This alloy retains its mechanical properties over a wide temperature range, making it suitable for applications where temperature changes are frequent, such as marine and offshore installations

  • Easy to manufacture: Copper Nickel 70/30 is easily manufactured in a variety of shapes and sizes, making it versatile for bonding applications. It can also be machined, welded, and fabricated with great ease.

Types of Copper Nickel Fasteners

Copper Nickel 70-30 Bolts
Copper Nickel 70/30 Anchor Fasteners
Cupro Nickel 70-30 Washers
Cu-Ni 70-30 Threaded Rods
Cupro Nickel 70/30 Nuts
Cuni 70/30 Screws

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Copper Nickel 70/30 Fasteners Uses

Application Industry

Copper Nickel 70/30 fasteners manufactured by reputable companies find widespread industrial use across various sectors. These fasteners, crafted from Copper Nickel alloy, are prized for their exceptional corrosion resistance, making them a preferred choice for applications exposed to harsh environments, especially marine and offshore settings. Industries such as shipbuilding, offshore oil and gas, chemical processing, power generation, and desalination plants rely on Copper Nickel fasteners for their reliability and longevity.

Offshore Oil and Gas

Aviation Industry

Chemical Processing

Power Generation Industry

  • Marine Applications: Copper Nickel 70/30 is highly resistant to seawater corrosion. It is an excellent choice for fasteners in marine environments where these binders are used on ship production, offshore platforms and desalination plants.

  • Piping: For applications where corrosion resistance and durability are required, such as chemical plants and power plants, pipes using 70/30 copper nickel fasteners are used to help ensure watertight and reliable connections over time.

  • Heat Exchanger: Copper Nickel 70/30 is known for its excellent heat conductivity and biocorrosion resistance, making it suitable for heat exchangers in a variety of industries including HVAC systems, refrigeration units and industrial heat transfer units, including the equipment

  • Desalination equipment: Due to its resistance to corrosion and biofouling, copper-nickel 70/30 fasteners are commonly used in desalination plants for seawater intake and processing equipment, including pumps, valves and filtration systems

  • Oil and Gas Industry: In offshore oil and gas exploration and production, copper-nickel 70/30 fasteners used on critical components such as valves, flanges and connectors to ensure reliability and durability occur where equipment is exposed to harsh marine environments

How to Choose the Right Copper Nickel 70/30 Fasteners

  • Understand application requirements: Place binders under specific conditions, such as temperature, pressure, potential damage, and mechanical stress. This understanding will guide your selection process.
  • Compatibility: Copper Nickel is a 70/30 copper alloy containing 70% copper and 30% nickel, with a few other elements. Check if this material is suitable for your application in terms of resistance to corrosion, moisture penetration and technical quality.
  • Corrosion Resistance: One of the main advantages of Copper Nickel 70/30 is that it is resistant to seawater corrosion, making it ideal for marine applications. If your application involves salt water or corrosion-free areas, use corrosion resistance first in your choice.
  • Fastener Specifications: Consider the required specifications for the fastener, such as size, thread type, length, and head style. Ensure the fasteners selected meet these specifications to ensure proper fit and performance.
  • Strength and Durability: Evaluate packaging performance, including tensile strength, yield strength, and stiffness. Choose a packaging material that will provide the strength and stiffness needed for your application, considering load requirements and expected life expectancy factors.

How are Copper Nickel 70/30 Fasteners manufactured?

Copper nickel 70/30 fasteners are manufactured through processes such as hot forging, cold forming, or machining. Raw materials of copper and nickel, along with small additives, are shaped into fastener components using techniques like casting, extrusion, or machining, followed by heat treatment and surface finishing for desired properties and quality.

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FAQ (Frequently Asked Questions)

Are Copper nickel 70/30 fasteners suitable for hygienic and sanitary applications?

Copper nickel 70/30 fasteners are generally not recommended for hygienic and sanitary applications due to potential copper leaching and corrosion risks in contact with certain substances. Stainless steel or other corrosion-resistant materials are preferred for such applications to ensure compatibility with strict hygiene standards and durability in sanitary environments.

Can Copper nickel 70/30 fasteners be recycled after use?

Yes, copper nickel 70/30 fasteners can be recycled after use. The alloy’s composition primarily consists of copper and nickel, both of which are highly recyclable materials. Recycling processes involve melting down the used fasteners to extract the copper and nickel for reuse in various applications, promoting sustainability and resource conservation.

How do I select the right copper nickel 70/30 fasteners for my application?

To select the right copper nickel 70/30 fasteners, assess application requirements for corrosion resistance, mechanical strength, and compatibility. Choose fasteners meeting specifications like size and thread type, from reputable manufacturers. Consider factors like environment, load-bearing capacity, and budget to ensure optimal performance and longevity in your specific application.

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