Seawater service
Material Compatibility

Cupro-Nickel 90/10 for Seawater

Is Cupro-Nickel 90/10 the right valve material for Seawater? The engineering rating, the conditions that limit it, and the better alternatives.

Good

Is Cupro-Nickel 90/10 compatible with Seawater?

For Seawater valve service, Cupro-Nickel 90/10 is gooda good choice. Excellent for seawater up to 3 m/s velocity. Used in offshore fire water systems.

Better materials for Seawater

Higher-rated options for this service, from the compatibility data.

All rated materials for Seawater

Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Need Cupro-Nickel 90/10 valves for Seawater?

Send your concentration, temperature and pressure — we confirm Cupro-Nickel 90/10 suitability for Seawater (or recommend an upgrade) and supply with full certification.

Engineering references