Copper Nickel 70/30 Flanges

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

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Copper Nickel 90/10 coils are essential components in various applications, particularly in industries where corrosion resistance and thermal stability are crucial. These coils offer exceptional resistance to seawater and brine environments, making them ideal for marine and offshore applications. With a composition of 90% copper and 10% nickel, they possess excellent mechanical properties, including high ductility, thermal conductivity, and low electrical resistivity. Additionally, their inherent antimicrobial properties make them suitable for use in healthcare and food processing industries.

Copper Nickel 70/30 Flanges Specifications

Dimension Standard : ANSI B 16.5, BS 1560. BS 10, IS 6392, B-2.1 NPT, API, DIN, JIS. MSS SP 44

Standard : ASTM / ASME SB 564 / 160 / 472

Size : ½” NB to 12” NB

Class / Pressure : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS , ASA 150#, ASA 300# DIN ND 6,10,16,25,40 Etc

Copper Nickel 70/30 Flanges Chemical Composition

Cupro Nickel 70/3065 min1.0 max0.05 max29-33 max0.4-1.0 max1 max

Copper Nickel 70/30 Flanges Mechanical Properties

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
0.323 lb/in3 at 68 F2260 F50000 psi20000 psi30 %

Top Copper Nickel Flanges 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 Flanges as per DIN, ISO, JIS or ANSI Standard.

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Advantages of Copper Nickel 70/30 Flanges

  • Corrosion resistance: Copper Nickel 70/30 alloy is highly resistant to seawater corrosion, making it ideal for marine applications. This resistance is due to forming a protective oxide layer on its surface, preventing further degradation.

  • High Strength: Copper Nickel 70/30 alloy maintains good strength even at elevated temperatures, allowing it to withstand high pressures and high temperatures

  • Ductility: This alloy is ductile, i.e. it is easily assembled and manufactured in various shapes, including flanges, without losing its mechanical properties

  • Thermal Stability: Copper Nickel has an excellent thermal stability of 70/30, making it suitable for common applications where temperature fluctuations are common

  • Biocompatibility: The alloy is non-toxic and biocompatible, making it suitable for use where contact with living tissue is required, such as medical devices and implants

Types of Copper Nickel Flanges


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Copper Nickel 70/30 Flanges Uses

Application Industry

Since Copper Nickel 70/30 Flanges have excellent mechanical qualities and are resistant to wear corrosion, and high temperatures, they are widely used in various industries. These flanges are widely used in the oil and gas, petrochemical, power generation, and aerospace industries. They play an important part in joining equipment, valves, and pipe systems. They are perfect for applications exposed to severe operating conditions, such as high temperatures, high pressures, and corrosive environments, because of their exceptional strength, toughness, and wear resistance.

Oil & Gas Industry

Aerospace Industry

Petro Chemical Industry

Power Generation Industry

  • Marine applications: Copper-nickel 70/30 flanges are widely used in marine environments due to their resistance to seawater. They are used in shipbuilding, offshore platforms, and desalination plants.

  • Chemical applications: These flanges are used in the chemical industry where corrosion resistance is required. They are also used in piping systems to transport corrosive liquids such as acids and alkalis.

  • Oil and Gas Industry: In the oil and gas industry, copper-nickel 70/30 flanges are used in pipelines and offshore structures where it is necessary to resist corrosion and erosion by seawater

  • Power generation: These flanges are used in power plants, especially in steam circulation systems, steam generators and heat exchangers, with good heat transfer and corrosion resistance

  • Desalination equipment: Copper-nickel 70/30 flanges are commonly used in desalination equipment for pipelines and heat exchangers due to their resistance to seawater corrosion

How to Choose the Right Copper Nickel 70/30 Flanges

  • Understanding Application Requirements: Determine the specific application for which you need the flange. Consider factors such as pressure, temperature, corrosion resistance, and compatibility with other components in the system.

  • Composition: Copper Nickel 70/30 is 70% copper and 30% nickel, with small amounts of other elements. Understand the properties of this product, including resistance to corrosion, moisture and biofouling, making it suitable for marine and other harsh environments.

  • Flange Standards and Specifications: Check the standards and specifications required for your application. Ensure that flanges conform to international standards such as ASTM B466 for fittings and ASTM B151 for plates, sheets and strips.

  • Size and Pressure Evaluation: Based on application requirements, determine the flange size and required pressure level. Flanges come in various sizes and pressures, so choose the one that best suits your system’s needs.

  • End connections: Consider the type of end connections necessary for your system, such as socket welded, threaded, or flanged ends. Make sure it is compatible with other elements of the system.

Are Copper Nickel 70/30 Flanges Weldable?

Yes, Copper Nickel 70/30 flanges are weldable using common welding techniques such as TIG (Tungsten Inert Gas) welding, MIG (Metal Inert Gas) welding, and shielded metal arc welding (SMAW). However, it’s essential to follow proper welding procedures and use compatible filler metals to maintain the alloy’s corrosion resistance.

FAQ (Frequently Asked Questions)

What Maintenance is required for Copper Nickel 70/30 Flanges?

Copper Nickel 70/30 flanges require periodic inspection for corrosion and wear, particularly in marine environments. Regular cleaning with a non-abrasive solution helps maintain surface integrity. Application of anti-seize compounds during assembly can prevent galling. Ensure tightness of bolts and gaskets to prevent leaks.

Are Copper Nickel 70/30 Flanges environmentally friendly?

Copper Nickel 70/30 flanges are considered environmentally friendly due to their high resistance to corrosion in marine environments, reducing the need for frequent replacements and minimizing environmental impact. Additionally, copper is highly recyclable, further enhancing its eco-friendliness and sustainability.

Are Copper Nickel 70/30 flanges suitable for hygienic and sanitary applications?

Copper Nickel 70/30 flanges are generally not recommended for hygienic and sanitary applications due to the potential for copper ion leaching, which can affect product purity. Stainless steel or other non-reactive materials are preferred in industries such as food, pharmaceuticals, and biotechnology where strict hygiene standards are essential.

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