Compatibility Atlas

SS 316L vs Duplex 2205for Crude Oil

Which valve material handles Crude Oil better — a side-by-side of compatibility ratings and the engineering reasons behind them.

Verdict

For Crude Oil valve service, Duplex 2205 is the better choice — rated Excellent versus Good for SS 316L.

SS 316L

Good

For sour crude where pitting resistance is needed. Not required for sweet crude.

All fluids SS 316L handles →

Duplex 2205

Excellent

Sour crude with H₂S - superior to 316L with better H₂S cracking resistance.

All fluids Duplex 2205 handles →

Ratings and notes are drawn from the Crude Oil service guide. Confirm against concentration, temperature and velocity.

Related comparisons

SS 316L vs Duplex 2205 for SeawaterCarbon Steel vs Duplex 2205 for SeawaterSS 316L vs Hastelloy C-276 for Sulphuric Acid (H₂SO₄)SS 316L vs PTFE-lined for Sulphuric Acid (H₂SO₄)
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

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A351 CF8M (SS316)Super Duplex 2507
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Crude Oil
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