Caustic Potash (KOH - Potassium Hydroxide) service
Material Compatibility

Nickel 200 for Caustic Potash (KOH - Potassium Hydroxide)

Is Nickel 200 the right valve material for Caustic Potash (KOH - Potassium Hydroxide)? The engineering rating, the conditions that limit it, and the better alternatives.

Excellent

Is Nickel 200 compatible with Caustic Potash (KOH - Potassium Hydroxide)?

For Caustic Potash (KOH - Potassium Hydroxide) (KOH) valve service, Nickel 200 is excellent — an excellent choice. Nickel 200 is excellent for hot, concentrated KOH.

Better materials for Caustic Potash (KOH - Potassium Hydroxide)

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

Hastelloy C-276ExcellentPTFE-lined / PVDF-linedExcellentCarbon SteelGoodSS 316LGood

All rated materials for Caustic Potash (KOH - Potassium Hydroxide)

Hastelloy C-276ExcellentPTFE-lined / PVDF-linedExcellentCarbon SteelGoodSS 316LGoodAluminiumNot Recommended
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A216 WCB Carbon SteelA351 CF8M (SS316)Hastelloy C-276
Tools
Material Compatibility

Need Nickel 200 valves for Caustic Potash (KOH - Potassium Hydroxide)?

Send your concentration, temperature and pressure — we confirm Nickel 200 suitability for Caustic Potash (KOH - Potassium Hydroxide) (or recommend an upgrade) and supply with full certification.

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Engineering references

Caustic Potash (KOH - Potassium Hydroxide) service guideFull compatibility, valves & standardsCompatibility AtlasThe full material x fluid matrix