66-30-2-2 (UNS C71640 / CW353H)

About 66-30-2-2 (UNS C71640 / CW353H)

66-30-2-2 (UNS C71640 / CW353H) copper-nickel alloy is used for seawater, condenser, marine piping and heat exchanger service.

It is selected for excellent resistance to biofouling, seawater corrosion and erosion in flowing water systems. Anita Metal & Alloys supplies 66-30-2-2 (UNS C71640 / CW353H) in standard as well as non-standard sizes for domestic and export customers.

To learn more about 66-30-2-2 (UNS C71640 / CW353H), message us on WhatsApp and we'll get right back to you.

• 66-30-2-2 (UNS C71640 / CW353H)
• Copper-Nickel Alloy
• Cut size supply
• MTC available

Characteristics of 66-30-2-2 (UNS C71640 / CW353H)

66-30-2-2 (UNS C71640 / CW353H) is chosen for dependable Copper-Nickel Alloy performance in engineered components and project supply.

• Reliable performance for engineering and process industry use
• Suitable for stocked and made-to-order supply programs
• Available in common commercial sizes and finishes
• Can be matched with equivalent international specifications
• Supplied with traceability and documentation on request

Chemical Composition / Grade Profile

Final chemistry is supplied as per the ordered standard and confirmed on the material test certificate.

Key Properties

• Excellent seawater corrosion resistance
• Good thermal conductivity for exchanger service
• Good resistance to marine biofouling
• Fabricable by standard copper alloy methods
• Suitable for long-life piping systems

Mechanical Properties

Machinability & Fabrication

Machining, forming, welding and heat treatment practice for 66-30-2-2 (UNS C71640 / CW353H) should be selected according to product form, supply condition and the applicable specification.

• Machining parameters should be selected for the final heat condition
• Welding or forming practice should follow the applicable grade standard
• Use sharp tooling and suitable coolant for close-tolerance parts

Applications of 66-30-2-2 (UNS C71640 / CW353H)

• Shipbuilding and offshore piping
• Condenser and heat exchanger tubes
• Desalination plants
• Seawater intake and firewater systems
• Marine fittings, flanges and valves

Available Forms of 66-30-2-2 (UNS C71640 / CW353H)

We can supply 66-30-2-2 (UNS C71640 / CW353H) in mill length, cut length, ready-to-machine sizes and project-specific packing. Availability depends on grade, size, finish and order quantity.

• Round, square, flat and hex bars
• Sheets, plates, coils and strips
• Seamless and welded pipes / tubes
• Pipe fittings, flanges and fasteners
• Forged rings, blocks and custom cut pieces

Need 66-30-2-2 (UNS C71640 / CW353H) in a specific form or size? Message us on WhatsApp and we'll confirm availability.