Liquid Nitrogen (LN₂) service
Material Compatibility

Bronze/Brass for Liquid Nitrogen (LN₂)

Is Bronze/Brass the right valve material for Liquid Nitrogen (LN₂)? The engineering rating, the conditions that limit it, and the better alternatives.

Good

Is Bronze/Brass compatible with Liquid Nitrogen (LN₂)?

For Liquid Nitrogen (LN₂) (N₂(l)) valve service, Bronze/Brass is good — a good choice. Copper alloys retain ductility at cryogenic temperatures - acceptable for small-bore service.

Better materials for Liquid Nitrogen (LN₂)

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

SS 316LExcellentAluminium alloysExcellentA352 LCB/LCC (LTCS)GoodA350 LF2Good

All rated materials for Liquid Nitrogen (LN₂)

SS 316LExcellentAluminium alloysExcellentA352 LCB/LCC (LTCS)GoodA350 LF2GoodCarbon SteelNot Recommended
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A351 CF8M (SS316)A352 LCC Low-Temp
Tools
Material Compatibility

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Engineering references

Liquid Nitrogen (LN₂) service guideFull compatibility, valves & standardsBronze/Brass compatibilityEvery fluid this material handlesCompatibility AtlasThe full material x fluid matrix