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Allowable stress value of nozzle is less than that of shell.

Allowable stress value of nozzle is less than that of shell.

Allowable stress value of nozzle is less than that of shell.

(OP)
What to do if allowable stress value of nozzle material is less than that of shell material? I feel it is inappropriate to replace a material of higher allowable stress(shell) with that of a lower allowable stress material(nozzle). Please answer considering the nozzles to be forged saddle type(with lip).

RE: Allowable stress value of nozzle is less than that of shell.

done all the time

just make adjustments in reinforcement calcs

RE: Allowable stress value of nozzle is less than that of shell.

See ASME VIII Div. 1 UG-37 and UG-41

Regards

r6155

RE: Allowable stress value of nozzle is less than that of shell.

adilislam123,
             Read the Code as others have done to learn what you need to do. It's all there if you take the time and read the Code.

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