The tube wall of the heat exchanger is 0.6 mm, which is too thin – is it possible to machine it?
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Dear experts and colleagues from Sichuan, our new project involves many shell-and-tube heat exchangers. For some of these units, the foreign party’s design specifies a tube wall thickness of 0.6 mm, a tube diameter of 54 mm, and an inner wall roughness of 0.8. Is it possible to manufacture heat exchangers with such specifications? Someone with experience can help explain; if the information I provide is incomplete, please leave your email address and I will get in touch with you. Thank you
Do you mean heat exchange tubes or connection tubes?
Reply 2# jia717 is a heat exchange tube
With such a high roughness on the inner wall of the heat exchange tubes, it must be difficult to process them. I haven’t heard of any situation where the inner wall of heat exchange tubes needs to be processed; perhaps some manufacturers are able to do it
OP, what kind of project are you working on and what type of heat exchanger are you using? Can we communicate?
The wall thickness is too thin, making it extremely difficult to machine the inner surface; it will definitely deform after machining, unless wire cutting is used, which also requires specialized skills.
The diameter is too small and the wall thickness is too thin; processing it should be quite difficult
Welded pipes are the easiest to work with, but they are also quite challenging to handle. A outer diameter of 54 isn’t commonly used either, and the walls are so thin.
Welded pipes with a wall thickness of 0.6 and an outer diameter of 20 mm or less are commonly produced; the inner surface is usually smoothed using internal welding passes, so there are no major issues – the difficulty lies in the outer diameter.
What is the pressure in your heat exchanger?
We specialize in titanium tubes; welded tubes cannot have an outer diameter of 54, so only seamless tubes are an option. As for other materials, I’m not very familiar with them. The price of seamless tubes is relatively high, but heat exchangers made from such tubes also have a high value. My email address is hailonggood32@hotmail.com