Compatibility Atlas

SS 316L vs Hastelloy C-276for Chlorine (Cl₂)

Which valve material handles Chlorine (Cl₂) better — a side-by-side of compatibility ratings and the engineering reasons behind them.

Verdict

For Chlorine (Cl₂) valve service, Hastelloy C-276 is the better choice — rated Excellent versus Fair for SS 316L.

SS 316L

Fair

Wet chlorine - not recommended due to Cl-SCC. Dry service - acceptable.

All fluids SS 316L handles →

Hastelloy C-276

Excellent

Best all-round choice for both wet and dry service.

All fluids Hastelloy C-276 handles →

Ratings and notes are drawn from the Chlorine (Cl₂) service guide. Confirm against concentration, temperature and velocity.

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Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

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