Fitting design

[jag321]

Hi im desiging a Tee fitting of 9*9*7 according to ASME B31.8 to use in subsea piping i am unable to decide how to account for thermal stresses in my design is it required to add if so how?i can perform analysys too...please suggest if you have any ideas

 

[BigInch]

Probably yes.
That will require that you read B31.8, the section discussing Design of Pipe and Components