Copper Nickel Products Supplier in India
Cu-Ni 90/10 and 70/30 pipes, tubes, plates, sheets, flanges, fittings and bars for seawater and heat-transfer systems.A buyer selecting copper nickel normally starts with the service condition, required product form and governing standard rather than a generic material name. Lakshya Steel supplies copper nickel products for industrial, fabrication and project requirements, with the range organised into grade hubs and product pages so that procurement teams can compare the correct specification before requesting a quotation.
The final selection depends on grade, product form, dimensions, condition, testing and end use. Use the grade and product guides below to narrow the requirement, follow the relevant product link for detailed standards and sizes, and submit the complete specification through the request-a-quote page for a project-specific response.
Copper Nickel Products
Choose the alloy first, then select the product form. The grade hub pages contain the detailed sizes, standards and ordering information for each range.
Copper Nickel Product Range
|
Product / Grade |
Buyer Use |
|---|---|
|
Grade hub for C70600 pipes, tubes, plates, flanges and bars. |
|
|
Grade hub for C71500 product forms. |
|
|
Condenser and heat-exchanger tubing. |
|
|
Flat products for fabricated marine equipment. |
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Piping flanges for compatible seawater systems. |
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Welded tubing for demanding heat-transfer service. |
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Flat products for higher-nickel marine fabrication. |
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Machined components, valve parts and marine hardware. |
Material and Grade Selection Guide
|
Option |
Reference / Composition Basis |
Choose It When |
Selection Caution |
|---|---|---|---|
|
Cu-Ni 90/10 |
UNS C70600 |
Common seawater piping, condenser tube and marine systems |
Good fabrication and broad marine use; velocity and contamination still matter. |
|
Cu-Ni 70/30 |
UNS C71500 |
More demanding seawater, condenser and high-velocity duties |
Higher nickel content and strength; cost and fabrication requirements differ. |
|
Weld grades |
UNS C70620 / C71520 |
Products intended for welded fabrication under applicable standards |
Confirm actual grade availability and welding specification. |
Standards by Product Form
|
Product Form |
Common Reference |
What to State in the Enquiry |
|---|---|---|
|
Condenser and heat-exchanger tube |
ASTM B111 |
Alloy, temper, OD, wall, length and tests |
|
Seamless pipe and tube |
ASTM B466 |
UNS grade, dimensions, temper and testing |
|
Welded pipe |
ASTM B467 |
Grade, weld condition, dimensions and examination |
|
Plate, sheet and strip |
ASTM B122 / B171, depending on use |
Alloy, temper, thickness, width and length |
|
Rod, bar and forgings |
ASTM B151 |
Diameter, temper, tolerance and length |
|
Flanges and fittings |
Material standard plus ASME/EN dimensional standard |
Grade, size, class, facing, schedule and joint type |
How to Select the Right Product Form
- Use pipe and tube pages when the enquiry is controlled by OD or NPS, wall thickness, schedule, construction method and pressure or heat-transfer service.
- Use plate and sheet pages when thickness, width, length, finish, forming and fabrication are the main buying variables.
- Use bar pages when diameter or section, condition, tolerance, machining and heat treatment control the requirement.
- Use flange and fitting pages when the design is controlled by size, pressure class, facing, schedule, joint type and piping code.
- Use component pages for drawing-based parts with defined tolerances, inspection and end-use information.
Industries We Serve
- Shipbuilding and marine: Seawater piping, valves, flanges, fittings and marine hardware where biofouling and flow conditions are considered.
- Power generation: Condenser and heat-exchanger tubes selected by water chemistry, velocity and tube-sheet design.
- Desalination: Piping, tubing and fabricated components exposed to seawater and brine under controlled service conditions.
- Offshore oil and gas: Firewater, cooling-water and utility systems with project-specific corrosion and pressure requirements.
- Heat-exchanger manufacturing: Tube, sheet and bar products selected for forming, welding, expansion and thermal duty.
Testing and Documentation
Testing and documentation should be agreed before quotation. Depending on the product standard and project, the requirement may include a mill test certificate, heat-number traceability, chemical and mechanical test results, dimensional inspection, positive material identification, non-destructive examination, pressure testing, impact testing, surface or coating records and third-party inspection. Lakshya Steel should publish only the services that are confirmed for the selected product and supply route.
Prepare a Clear Enquiry
- Material or grade
- Product form and governing standard
- Dimensions, thickness, wall, schedule, section or pressure class
- Quantity and length
- Condition, temper, heat treatment or finish
- Testing, certificate and inspection requirement
- Drawing and tolerances for components
- Delivery destination and end use
Frequently Asked Questions About Copper Nickel Products
1. What is the difference between Copper Nickel 90/10 and 70/30?
Cu-Ni 90/10, UNS C70600, is widely used for seawater piping and heat-transfer systems because it combines corrosion resistance with good fabrication. Cu-Ni 70/30, UNS C71500, has more nickel and higher strength for more demanding service. Water chemistry, velocity, design and cost should guide the choice.
2. Which ASTM standard applies to copper nickel tubes?
ASTM B111 is common for condenser and heat-exchanger tubes, while ASTM B466 covers seamless pipe and tube. Welded pipe may use B467. The purchase order should state the UNS grade, temper, OD or NPS, wall thickness, length, testing and dimensional standard.
3. Can copper nickel products be welded?
Copper nickel alloys can be welded using clean procedures and suitable filler metal. Weld-product grades such as C70620 or C71520 may be specified for some forms. Joint design, heat input, contamination control and post-weld cleaning should follow the applicable procedure and project specification.
4. Where are copper nickel products used?
They are used in seawater piping, shipbuilding, condensers, heat exchangers, desalination, offshore cooling systems and marine hardware. Good service depends on flow velocity, water chemistry, oxygen, sulfides, deposits, galvanic couples and commissioning practice, so grade selection should consider the complete system.
5. What should be included in a copper nickel enquiry?
Provide the UNS grade, product form, ASTM or ASME standard, size, wall or plate thickness, length, quantity, temper, testing, certification and destination. For piping components, add the schedule, pressure class, facing or joint type and drawing where applicable.
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