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Pipe flange material

2008-01-27View Original

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Pipe flanges made of carbon steel include 20# and 16Mn, etc. What are the differences in their areas of application?
Reply #22008-01-27
20# steel is used in normal pipelines, while 16MN is used in low-temperature systems.
Reply #32008-01-28
16Mn has a better hydrogen resistance
Reply #42008-01-28
20# steel is suitable for ordinary media, while 16Mn is generally used for low-temperature media. -16Mn is perfectly fine for 50 degrees.

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Translated at 2026-07-28 18:50:51

Original: https://bbs.hcbbs.com/thread-147389-1-1.html

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