Cupro Nickel Cu-Ni 70/30 (C71500) Round Bars

Source Cupro Nickel Cu-Ni 70/30 (C71500) Round Bars from verified mills, manufacturers and stockists on MetalMitra. Options span square, round and hex, produced to ASTM / ASME SB 111, and every order can ship with an EN 10204 3.1 certificate.

This range covers round, square, hex and flat sections in bright, black, peeled or forged condition, ready for machine shops and component makers.

Cu-Ni 70/30 (C71500) offers higher strength and better resistance to erosion and high-velocity seawater than 90/10. 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

• Round Bars — Bright, black, peeled or centreless-ground rounds.
• Hex & Square Bars — Hex and square sections for turned and machined parts.
• Flat Bars — Flats for fabrication and general engineering.
• Forged & Hollow Bars — Forged bars, rings and hollow bars made to order.

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 Cupro Nickel Cu-Ni 70/30 (C71500) Round Bars follow the applicable standard plus any extra requirements in your PO.

• Diameter & straightness inspection
• Visual and surface inspection
• Grade verification against the order
• Chemical composition verification
• Mechanical property testing
• Hardness testing as applicable
• Ultrasonic testing as applicable
• EN 10204 3.1 Mill Test Certificate

Why source on MetalMitra

• Checked sellers only — Every supplier profile is screened by MetalMitra before it goes live.
• Faster sourcing — Post one requirement and receive competitive offers without chasing calls.
• Paperwork sorted — MTC 3.1, test reports and TPI arranged as your project demands.
• Global logistics — Seaworthy packing and dispatch to project sites across the world.

Request pricing

Post an RFQ for Cupro Nickel Cu-Ni 70/30 (C71500) Round Bars with your drawing or specification and receive quotes from verified suppliers.

Technical note: Figures shown are indicative. Final acceptance should be based on the applicable standard, approved drawings and the MTC supplied with the material.