Pipe wall thickness calculation

2016-04-23View Original

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For the calculation of pipe wall thickness, a corrosion allowance of 1.5 mm is generally used for carbon steel. What is the typical corrosion allowance for stainless steel (304 or 316L)?

Reply #22016-04-23

:For D steam and feed water pipes, take 0; for drain pipes, take 2 mm

Reply #32016-04-23

The corrosion allowance for stainless steel (304 or 316L) can theoretically be 0, but we still specify a corrosion allowance of 1.5 for the pipe wall thicknesses used in process media; for pipes made of 304 used for instrument air, the corrosion allowance is 0

Reply #42016-04-25

The project currently uses 1.5mm, as it is highly corrosive.

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Pipe wall thickness calculation

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