Compressed Air service
Material Compatibility
Ductile Iron for Compressed Air
Is Ductile Iron the right valve material for Compressed Air? The engineering rating, the conditions that limit it, and the better alternatives.
Good
Is Ductile Iron compatible with Compressed Air?
For Compressed Air (N₂ / O₂ mixture) valve service, Ductile Iron is good — a good choice. Standard for general plant air at PN 10/16.
Better materials for Compressed Air
Higher-rated options for this service, from the compatibility data.
All rated materials for Compressed Air
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026
Connected Engineering
Need Ductile Iron valves for Compressed Air?
Send your concentration, temperature and pressure — we confirm Ductile Iron suitability for Compressed Air (or recommend an upgrade) and supply with full certification.
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