Ethylene (C₂H₄) service
Material Compatibility

Carbon Steel for Ethylene (C₂H₄)

Is Carbon Steel the right valve material for Ethylene (C₂H₄)? The engineering rating, the conditions that limit it, and the better alternatives.

Good

Is Carbon Steel compatible with Ethylene (C₂H₄)?

For Ethylene (C₂H₄) (C₂H₄) valve service, Carbon Steel is good — a good choice. Suitable for gaseous ethylene above −29°C; not for cryogenic liquid.

Better materials for Ethylene (C₂H₄)

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

SS 316ExcellentA352 LCB (low-temp CS)GoodA350 LF2 (forged, low-temp)GoodPTFE seatsGood

All rated materials for Ethylene (C₂H₄)

SS 316ExcellentA352 LCB (low-temp CS)GoodA350 LF2 (forged, low-temp)GoodPTFE seatsGood
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A216 WCB Carbon SteelA351 CF8M (SS316)A352 LCC Low-Temp
Tools
Material Compatibility

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Engineering references

Ethylene (C₂H₄) service guideFull compatibility, valves & standardsCarbon Steel compatibilityEvery fluid this material handlesCompatibility AtlasThe full material x fluid matrix