Pipeline material selection

2019-06-04View Original

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This post was last edited by kareale88 on 2019-6-15 22:15. The conversion gas condensate from coal-based hydrogen production units contains hydrogen sulfide and chloride ions; what material should be used for the pipes?

Reply #22019-06-04

Operating temperature: 155°C, Operating pressure: 3.2 MPa (G)

Reply #32019-06-04

We are currently using 304L, and corrosion is quite severe! Can chromium-molybdenum steel be used?

Reply #42019-06-22

The resistance of duplex stainless steels to chloride corrosion is indeed better than that of 300-series stainless steels, but there are also those that contain austenite. Personally, I recommend using ferritic stainless steel.

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Pipeline material selection

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