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Everything You Need to Know About Copper Nickel 90/10 Flanges – Types, Uses & Benefits

Copper Nickel 90/10 Flanges are a critical component in marine, chemical processing, and power generation industries. At Sandvik, we specialize in producing top-grade Copper Nickel 90/10 Flanges engineered to perform in the toughest conditions. These flanges are made from a 90% copper and 10% nickel alloy, known for its remarkable resistance to corrosion, especially in saltwater and brine environments. As industries increasingly seek durable and low-maintenance materials, these flanges have become a go-to solution for piping systems worldwide.

But what exactly are Copper Nickel 90/10 Flanges? They are mechanical connectors used to join pipes, valves, pumps, and other equipment into a piping system. Manufactured using a copper-nickel alloy (UNS C70600), these flanges offer excellent resistance to biofouling and stress cracking, making them perfect for applications that involve exposure to seawater or acidic environments. Sandvik ensures each flange is precisely machined to meet international standards, offering leak-free sealing and long service life.

One of the biggest advantages of using Copper Nickel 90/10 Flanges is their high resistance to corrosion and erosion. This alloy maintains its integrity even when exposed to harsh marine environments and high-velocity fluids. The material also exhibits excellent thermal stability, weldability, and formability. These properties make it ideal for use in high-stress applications. The flanges also reduce the frequency of maintenance and replacement, saving both time and operational costs over the long term.

Sandvik stands out among Copper Nickel 90/10 Flanges Manufacturers by providing custom solutions tailored to specific project requirements. Whether you need flanges for a desalination plant, a naval ship, or a heat exchanger system, we offer top-tier engineering and prompt delivery backed by years of experience and technical know-how.

These flanges are widely used across multiple sectors. In the marine industry, they are a staple for seawater piping, ballast systems, and condenser tubes. In chemical processing, they’re favored for their resistance to acidic and alkaline solutions. Power plants use them for cooling water systems due to their thermal conductivity and corrosion resistance. Oil and gas sectors benefit from their ability to handle high-pressure fluid transport. Sandvik, a trusted name among Copper Nickel 90/10 Flanges Suppliers, ensures quality across all industry applications.

There are various types of Copper Nickel 90/10 Flanges available to suit different industrial needs:

Slip-On Flanges: Easy to install and ideal for low-pressure systems where frequent maintenance is needed.

Weld Neck Flanges: Designed for high-pressure applications and provide strong reinforcement at the base of the flange.

Blind Flanges: Used to block off the ends of a piping system or a pressure vessel opening.

Socket Weld Flanges: Suitable for small-diameter pipes and high-pressure applications with secure welding support.

Threaded Flanges: Best used in low-pressure systems where welding isn’t ideal.

Lap Joint Flanges: Ideal for systems requiring frequent dismantling and inspection.

Sandvik is among the leading Copper Nickel 90/10 Flanges Stockists, with a vast inventory ready for immediate dispatch. We ensure each product meets global specifications and undergoes rigorous testing before shipment. Our commitment to quality and customer satisfaction positions us as a reliable partner for industrial projects worldwide.

As prominent Copper Nickel 90/10 Flanges Exporters, Sandvik serves clients across Asia, Europe, the Middle East, and the Americas. We offer competitive pricing, robust logistics, and consistent supply, helping our customers stay ahead in their operations. Choose Sandvik for dependable and durable Copper Nickel 90/10 Flange solutions that stand the test of time.

Specification of Copper Nickel 90/10 Flanges

Cupro Nickel Flanges Specification : ASTM B151 / ASME SB151
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2" (15 NB) to 48" (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges : BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.

Equivalent Grades of Copper Nickel 90/10 Flanges

STANDARD UNS WNR. EN AFNOR
Cupro Nickel 90/10 C70600 2.0872 NiCr20CuMo Z2NCUD31-20AZ

Chemical Composition of Copper Nickel 90/10 Flanges

Grade Cu Mn Pb Ni Fe Zn
Cupro Nickel 90/10 88.6 1.0 max 0.05 max 9 - 11 max 1.8 max 1 max

Mechanical Properties of Copper Nickel 90/10 Flanges

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
0.323 lb/in3 at 68 F 2260 F 50000 psi 20000 psi 30 %