Copper Nickel Flanges
Copper Nickel Flanges
High-quality Copper Nickel Flanges manufactured for secure, leak-tight pipe connections in pressure piping and process systems.
- Weld Neck
- Slip On
- Blind
- Socket Weld
- Threaded
- Lap Joint
- RTJ
Copper Nickel Flanges Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Copper Nickel Flanges in different sizes, grades, specifications and finishes for industrial and engineering applications.
Copper Nickel Flanges are forged or machined components used to connect pipes, valves, pumps and equipment, allowing easy assembly, inspection and maintenance of piping systems.
Copper nickel (Cu-Ni) alloys such as 90/10 and 70/30 offer excellent resistance to seawater corrosion and biofouling, combined with good thermal conductivity and fabricability.
Typical applications for Copper Nickel Flanges include marine engineering, shipbuilding, desalination, offshore platforms, heat exchangers, condensers, seawater piping, power generation and general engineering.
Key Features of Copper Nickel Flanges
Seawater Corrosion Resistance
Excellent performance in seawater and marine environments.
Biofouling Resistance
Natural resistance to marine biofouling.
Thermal Conductivity
Good heat-transfer properties for exchangers and condensers.
Easy Fabrication
Good formability and weldability.
Copper Nickel Flanges Specifications
| Parameter | Specification |
|---|---|
| Standards | ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Specifications | ASTM / ASME SB 61 / 62 / 151 / 152 |
| Grade | Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
| Size | 1/2" to 12" |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN |
Equivalent Grades of Copper Nickel Flanges
| STANDARD | WERKSTOFF NR | UNS |
|---|---|---|
| Cupro Nickel Cu-Ni 90/10 | 2.0872 | C70600 |
| Cupro Nickel Cu-Ni 70/30 | 2.0882 | C71500 |
Types of Copper Nickel Flanges
Weld Neck Flanges
Butt-welded flanges for high-pressure and high-temperature service.
Slip On Flanges
Slip over the pipe for easy alignment and welding.
Blind Flanges
Solid flanges used to close pipe ends and openings.
Socket Weld & Threaded Flanges
Compact connections for smaller bore piping.
Lap Joint Flanges
Used with stub ends for easy alignment.
Spectacle & RTJ Flanges
Positive isolation and high-pressure sealing.
Applications & Industries
- Marine Engineering
- Shipbuilding
- Desalination
- Offshore Platforms
- Heat Exchangers
- Condensers
- Seawater Piping
- Power Generation
- Oil & Gas
- Fire Fighting Systems
- Fabrication
- General Engineering
Quality & Inspection
Quality-Focused Manufacturing & Supply
Copper Nickel Flanges can be supplied with inspection, testing and documentation according to the applicable specification and customer purchase requirements.
- Dimensional inspection
- Visual and surface inspection
- Material grade verification
- Chemical composition verification
- Mechanical testing as applicable
- Flange face and bolt-hole inspection
- Non-destructive testing as applicable
- Mill Test Certificate (MTC)
- Third-party inspection support
Why Choose Our Copper Nickel Flanges?
Multiple Pressure Classes
150# to 2500# and PN ratings.
All Flange Types
Weld neck, slip on, blind, socket weld and more.
Accurate Machining
Precise facing and drilling for leak-tight joints.
Custom Flanges
Manufactured as per drawings on request.
Copper Nickel Flanges Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies Copper Nickel Flanges for domestic and international projects in a wide range of sizes, grades and specifications. Products can be supplied in standard and custom dimensions according to drawings and purchase order requirements.
Every order can be supported with Mill Test Certificates, inspection reports, third-party inspection on request and secure export-worthy packaging.
Share your size, grade, quantity and specification requirements with our team to receive a competitive quotation for Copper Nickel Flanges.
Related Copper Nickel Products Products
Copper Nickel Buttweld Pipe Fittings
Copper Nickel Buttweld Pipe Fittings are welded pipe fittings that are bevelled and butt-welded to the pipe, creating a continuous, high-strength and leak-resistant connection with smooth internal flow.
Copper Nickel Socket weld Pipe Fittings
Copper Nickel Socket weld Pipe Fittings are forged small-bore pipe fittings with socket weld or threaded ends, manufactured to ASME B16.11 for high-pressure piping and instrumentation lines.
Copper Nickel Valves
Copper Nickel Valves are flow-control devices used to start, stop, regulate or prevent backflow of liquids and gases in process and utility piping.
Technical Note: Technical values should be verified against the applicable ASTM / ASME / EN specification, purchase order requirements and Mill Test Certificate (MTC) for the supplied product.