Copper Nickel Fasteners

Source Copper Nickel Fasteners from verified mills, manufacturers and stockists on MetalMitra. Options span standard and custom dimensions, produced to ASTM / ASME SB 151, and every order can ship with an EN 10204 3.1 certificate.

Copper Nickel Fasteners are mechanical joining components such as bolts, nuts, studs, screws and washers used to assemble flanges, structures, machinery and equipment.

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.

What you can source

• Bolts — Hex, heavy hex, stud, U, J, T, eye and foundation bolts.
• Nuts — Hex, heavy hex, lock, wing, dome and nylock nuts.
• Studs & Threaded Rods — Fully and partially threaded studs and rods.
• Screws & Washers — Machine screws, socket screws, plain and spring washers.

Key properties

• 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.

Applications & industries

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

Testing & documentation

Inspection and documentation for Copper Nickel Fasteners follow the applicable standard plus any extra requirements in your PO.

• Dimensional & thread inspection
• Visual inspection
• Grade verification against the order
• Chemical composition verification
• Mechanical / proof load testing as applicable
• Hardness testing as applicable
• 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.

Why source on MetalMitra

• 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.

Request pricing

Post an RFQ for Copper Nickel Fasteners with your drawing or specification and receive quotes from verified suppliers.

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