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English Translations » 【化工工程交流】 » In HTRI, what material is used for the low-temperature tubes

In HTRI, what material is used for the low-temperature tubes? !

2017-12-05View Original

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Liquid nitrogen – 196 degrees. Which material to choose? Thank you!
Reply #22017-12-05
For the pipes used to transport liquid nitrogen, we use liquid nitrogen at -196 degrees; liquid nitrogen is employed for cooling the medium, and SS 316L is used in this context. If the medium is non-corrosive or highly corrosive, other austenitic stainless steels are chosen
Reply #32017-12-05
316L is stainless steel, and it does not have good performance at low temperatures. In China, there is low-temperature steel pipe 16MnDG. I used carbon steel, and HTRI didn’t report any errors either.
Reply #42017-12-06
16MnDG is also carbon steel.

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Translated at 2026-07-21 04:03:21

Original: https://bbs.hcbbs.com/thread-1876375-1-1.html

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