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Vipul Pipes and Tubes, CHENNAI, India, is a prominent manufacturer and supplier of Copper Nickel ERW Pipes of high standards. These pipes, which have higher corrosion resistance and higher mechanical strength, are produced using the technology of electric resistance welding (ERW) to provide them with uniform wall thickness and surface finish. With popular grades of 90/10 and 70/30, our Copper Nickel ERW Pipes are widely utilized in applications involving marine, power generation, desalination, and offshore. With adherence to international standards of quality and a focus on precision engineering, Vipul Pipes ensures robust and efficient piping solutions for demanding industrial and marine conditions.
Copper Nickel ERW Pipes consist mainly of Copper (70–90% Cu) and Nickel (10–30% Ni), along with trace additions of Iron and Manganese for enhancing corrosion resistance and mechanical strength.
Mechanical Properties:
Tensile Strength: 340–520 MPa
Yield Strength: 120–250 MPa
Elongation: 30–45%
Density: ~8.9 g/cm³
These attributes qualify them for use in saltwater service, providing excellent erosion, corrosion, and biofouling resistance in severe marine and industrial environments.
Specifications : ASTM / ASME SB 111 / 151 / 466
Standard : ASTM, ASME and API
Size : 1/2″ TO 6′ IN OD & NB IN Various SWG & SCH
Outer Diameter : 4.00 to 22.00 mm
Well Thickness : Between 0.15mm and 1.50 mm
Length : Single Random, Double Random & Required Length
Schedule : SCH20, SCh20, SCh30, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Types : Seamless / ERW / Welded / EFW / Fabricated / CDW
Form : Round Pipes, Square Pipes, Rectangular Pipe
End : Plain End, Beveled End, Treaded
Grades : Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cu-Ni 90-10 | 88.6 min | 1.0 max | .05 max | 9-11 max | 1.8 max | 1 max |
| Cu-Ni 70-30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel 90-10 / 70-30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 90-1000 psi | 30 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choose Copper Nickel ERW Pipes from Vipul Pipes and Tubes for their exceptional corrosion resistance, high strength, and durability. These pipes are ideal for marine, chemical, and offshore applications, offering long-lasting performance and superior reliability.
Vipul Pipes and Tubes is the largest supplier of Copper Nickel ERW Pipes in Chennai, India, providing top-quality, corrosion-resistant pipes and tubing ideal for marine, industrial, and chemical applications, with reliable delivery and excellent customer service.
Yes, custom sizes are available for Copper Nickel ERW Pipes to meet specific project requirements. These pipes can be tailored for various industrial applications. For more details, contact us at sales@vipulpipesandtubes.co.in.
Copper Nickel ERW Pipes find extensive applications in marine engineering, shipbuilding, and offshore oil and gas platforms because of their incredible corrosion resistance in seawater. They are suited for application in cooling systems, seawater piping, condenser tubes, firefighting systems, and heat exchangers. In chemical processing industries and desalination plants, they provide long-term performance with low maintenance. Due to their resistance to biofouling, they are very useful in seawater or brine-carrying pipelines. Their strength combined with high thermal and electrical conductivity properties also renders them useful for power plants and heat transfer applications.
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