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Firstly, this is not a homework problem. It's regarding some flow experimental results I have and to understand the results further I am trying to identify possible reasons for the patterns I see. I don't have expertise in thermodynamics hence finding the following problem a bit puzzling. Any help and pointers would be most appreciated.

I have a 60mm OD stainless steel pipe with a wall thickness of 2.5mm I'd like to calculate the increase in both these values as the temperature of water within the pipe increases by 10 deg C. The straight length of the pipe is 4m and it is part of a complicated flow loop so therefore some approximations will need to be made.

How would I go about calculating the increase in the pipe OD and wall thickness as a result this change in temperature? Thanks in advance for your help!