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Is it normal for the outer diameter of the heat exchange tubes in a shell-and-tube heat exchanger to be 38 mm with a wall thickness of 1 mm?

2019-08-18View Original

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I saw a device specification for a shell-and-tube heat exchanger used for heat exchange between sodium sulfate solution and calcium chloride solution. The outer diameter of the heat exchange tubes is 38 mm, but the wall thickness is only 1 mm – is this normal? According to what I’ve found, the outer diameter is usually 38 mm, with a wall thickness of 2.5 mm.
Reply #22019-08-18
Are you checking tube or pipe?
Reply #32019-08-18
It depends on the material and the way it is treated. For example, copper pipes can handle a pressure of 1 MPa without any problem, and carbon steel that has been fully hot-dip galvanized is also suitable; therefore, it’s necessary to consider the specific parameters and manufacturing processes.
Reply #42019-08-18
The material is listed as S31603; is that stainless steel?
Reply #52019-08-19
The material should be stainless steel; heat exchange and cost reduction must have been taken into consideration
Reply #62019-08-31
This should be usable on welded pipe AMSE.
Reply #72019-09-12
It’s a bit thin; this way you won’t have any corrosion margin, as the standard value is 1.5 mm or more.

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