Carbon Monoxide (CO) service
Material Compatibility

Nickel alloys (Inconel, Monel) for Carbon Monoxide (CO)

Is Nickel alloys (Inconel, Monel) the right valve material for Carbon Monoxide (CO)? The engineering rating, the conditions that limit it, and the better alternatives.

Poor

Is Nickel alloys (Inconel, Monel) compatible with Carbon Monoxide (CO)?

For Carbon Monoxide (CO) (CO) valve service, Nickel alloys (Inconel, Monel) is poora poor choice. Nickel carbonyl formation above 150°C - avoid in high-CO partial pressure service.

Better materials for Carbon Monoxide (CO)

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

All rated materials for Carbon Monoxide (CO)

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

Connected Engineering

Need Nickel alloys (Inconel, Monel) valves for Carbon Monoxide (CO)?

Send your concentration, temperature and pressure — we confirm Nickel alloys (Inconel, Monel) suitability for Carbon Monoxide (CO) (or recommend an upgrade) and supply with full certification.

Engineering references