LNG / Cryogenic Natural Gas service
Material Compatibility

PTFE for LNG / Cryogenic Natural Gas

Is PTFE the right valve material for LNG / Cryogenic Natural Gas? The engineering rating, the conditions that limit it, and the better alternatives.

Excellent

Is PTFE compatible with LNG / Cryogenic Natural Gas?

For LNG / Cryogenic Natural Gas valve service, PTFE is excellent — an excellent choice. Seals and seats maintain flexibility at cryogenic temperatures.

Better materials for LNG / Cryogenic Natural Gas

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

SS 304LExcellent9% Nickel steelExcellentAluminium alloyExcellentASTM A352 LCB (low-temp carbon steel)GoodASTM A350 LF2 Class 1Good

All rated materials for LNG / Cryogenic Natural Gas

SS 304LExcellent9% Nickel steelExcellentAluminium alloyExcellentASTM A352 LCB (low-temp carbon steel)GoodASTM A350 LF2 Class 1GoodCarbon SteelNot Recommended
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A216 WCB Carbon SteelA352 LCC Low-Temp
Services
LNG / Cryogenic
Tools
Material Compatibility

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Engineering references

LNG / Cryogenic Natural Gas service guideFull compatibility, valves & standardsCompatibility AtlasThe full material x fluid matrix