Home > Copper Nickel > Copper Nickel 70/30 Fasteners
A Copper Nickel 70/30 fasteners manufacturer focuses on producing hardware components such as bolts, screws, nuts, washers, and studs made from Copper Nickel alloy. Popular across many industries, Copper Nickel 70/30 fasteners deliver outstanding corrosion resistance, high thermal conductivity, and strong mechanical properties. This alloy mixture, made up of 70% copper and 30% nickel, guarantees durability and dependability in tough conditions, making it a favored option for critical applications.
Standard : DIN, ASTM, BS, and every International Standard
Size : 3 mm up 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 through M33
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 |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Cupro Nickel 70/30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
At Sumakhsteel, we’re proud to be the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated in the USA, we maintain an extensive stock of more than 25,000 tons of top-grade materials kept ready in inventory.
Reach out to us for a fast quote on your requirement.
Copper Nickel 70/30 Fasteners are supplied by us in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: The Copper Nickel 70/30 alloy offers strong protection against seawater corrosion, which makes it a perfect choice for marine uses. This protection comes from the development of a shielding oxide layer on its surface, boosting its lifespan and toughness in demanding conditions.
Low biofouling: Its ability to resist biofouling (the buildup of microorganisms, plants, algae, or animals in wet settings) makes it particularly well-suited for marine goods and equipment that remain in continuous contact with water
Mechanical Strength: Copper Nickel 70/30 delivers outstanding mechanical strength along with flexibility, enabling fasteners crafted from this alloy to endure heavy stresses and strains without corroding or fracturing
Thermal stability: This alloy holds onto its mechanical characteristics across a broad temperature range, making it fitting for uses where temperature shifts occur often, such as marine and offshore installations
Easy to manufacture: Copper Nickel 70/30 can be readily produced in numerous shapes and sizes, giving it versatility for bonding uses. It can additionally be machined, welded, and fabricated with great ease.
Fasteners made of Copper Nickel 70/30 by well-regarded manufacturers see broad industrial application across numerous sectors. Produced from Copper Nickel alloy, these fasteners are valued for their outstanding resistance to corrosion, which makes them a favored option for uses subjected to demanding conditions, particularly marine and offshore environments. Sectors including shipbuilding, offshore oil and gas, chemical processing, power generation, and desalination plants depend on Copper Nickel fasteners for their dependability and durability.
Marine Applications: Copper Nickel 70/30 offers strong protection against corrosion caused by seawater. This makes it an outstanding option for fasteners in marine settings, where these binders serve in shipbuilding, offshore platforms, and desalination plants.
Piping: In situations that demand both corrosion resistance and long-lasting performance, like chemical plants and power plants, piping that relies on 70/30 copper nickel fasteners helps deliver leak-proof and dependable connections that last.
Heat Exchanger: Copper Nickel 70/30 is recognized for its outstanding thermal conductivity and resistance to biocorrosion, which makes it well suited for heat exchangers across many industries such as HVAC systems, refrigeration units, and industrial heat transfer units, including the equipment
Desalination equipment: Thanks to its ability to withstand corrosion and biofouling, copper-nickel 70/30 fasteners see frequent use 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 applied to essential components like valves, flanges, and connectors ensure reliability and durability in places where equipment faces harsh marine environments
Copper nickel 70/30 fasteners are produced using methods including hot forging, cold forming, or machining. Base materials of copper and nickel, together with minor additives, are formed into fastener parts through processes such as casting, extrusion, or machining, followed by heat treatment and surface finishing to achieve the intended properties and quality.
Copper nickel 70/30 fasteners are typically not advised for hygienic and sanitary uses because of the risk of copper leaching and corrosion when exposed to certain materials. For these applications, stainless steel or other corrosion-resistant options are favored to guarantee conformance with rigorous hygiene requirements and longevity in sanitary settings.
Yes, Copper nickel 70/30 fasteners are recyclable once they have been used. The alloy is made up mainly of copper and nickel, and both of these materials are highly recyclable. The recycling procedure entails melting the spent fasteners to recover the copper and nickel so they can be reused across a range of applications, supporting sustainability and the conservation of resources.
When choosing suitable copper nickel 70/30 fasteners, evaluate your application’s needs for corrosion resistance, mechanical strength, and compatibility. Opt for fasteners that satisfy specifications such as size and thread type, sourced from trusted manufacturers. Weigh aspects like environment, load-bearing capacity, and budget to guarantee peak performance and durability in your particular application.
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Email: sales@sumakhsteel.com