Copper Nickel Instrumentation Tubing & Fittings

Copper Nickel Instrumentation Tubing & Fittings for leak-tight instrument and hydraulic lines, available on MetalMitra in imperial and metric sizes, with mill-certified traceability on every lot.

Copper Nickel Instrumentation Tubing & Fittings include seamless and welded instrumentation tubes together with compression fittings, connectors and valves used to carry process fluids and signals safely to instruments.

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.

Product range

• Instrumentation Tubing — Seamless and welded tubes for impulse and process lines.
• Compression Fittings — Single and double ferrule tube fittings.
• Needle & Ball Valves — Isolation and flow control for instrument lines.
• Manifolds & Accessories — 2, 3 and 5-way manifolds and tube accessories.

Why engineers choose it

• 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.

Where it is used

• Marine Engineering
• Shipbuilding
• Desalination
• Offshore Platforms
• Heat Exchangers
• Condensers
• Seawater Piping
• Power Generation
• Oil & Gas
• Fire Fighting Systems
• Fabrication
• General Engineering

Inspection & paperwork

Suppliers on MetalMitra back Copper Nickel Instrumentation Tubing & Fittings with the checks and paperwork your QA team expects.

• Dimensional inspection
• Visual & surface inspection
• Grade verification against the order
• Hydrostatic / pneumatic testing as applicable
• Eddy current testing for tubing as applicable
• Positive Material Identification (PMI)
• EN 10204 3.1 Mill Test Certificate
• Project-specific documentation on request

Material properties

Chemical composition and mechanical properties are supplied to the limits of the governing material standard. Actual heat values are reported on the mill test certificate shared with each consignment.

The MetalMitra advantage

• Verified suppliers — Mills, manufacturers and stockists are reviewed by the MetalMitra team before they list.
• One RFQ, several quotes — Share size, grade and quantity once and compare offers side by side.
• Full traceability — Heat numbers, EN 10204 3.1 MTCs and third-party inspection on request.
• Delivered worldwide — Export-worthy packing and shipping to India, the Middle East, Africa, Europe and the Americas.

Get a quote

Tell us the specification, quantity and destination you need for Copper Nickel Instrumentation Tubing & Fittings. MetalMitra connects you with suppliers who can deliver.

Technical note: Values on this page are for reference. Always confirm against the governing standard, your purchase specification and the mill test certificate.