Hydrochloric Acid (HCl) service
Material Compatibility

SS 316L for Hydrochloric Acid (HCl)

Is SS 316L the right valve material for Hydrochloric Acid (HCl)? The engineering rating, the conditions that limit it, and the better alternatives.

Not Recommended

Is SS 316L compatible with Hydrochloric Acid (HCl)?

For Hydrochloric Acid (HCl) (HCl) valve service, SS 316L is not recommended — not recommended. Chloride SCC risk is severe. Avoid.

Better materials for Hydrochloric Acid (HCl)

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

Hastelloy C-276ExcellentHastelloy B-3ExcellentPTFE-linedExcellentRubber-lined (natural rubber)GoodPVDF-linedGood

All rated materials for Hydrochloric Acid (HCl)

Hastelloy C-276ExcellentHastelloy B-3ExcellentPTFE-linedExcellentRubber-lined (natural rubber)GoodPVDF-linedGoodCarbon SteelNot RecommendedDuplex 2205Not Recommended
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A351 CF8M (SS316)Hastelloy C-276
Tools
Material Compatibility

Need SS 316L valves for Hydrochloric Acid (HCl)?

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Engineering references

Hydrochloric Acid (HCl) service guideFull compatibility, valves & standardsSS 316L compatibilityEvery fluid this material handlesCompatibility AtlasThe full material x fluid matrix