Question 8.1: A pressure vessel with an inside diameter of 50.0 in. is sub...
A pressure vessel with an inside diameter of 50.0 in. is subjected to an internal pressure of 100 psi. Using an allowable stress of 17,500 psi, find the required thickness according to Section VIII, Division 1. Assume that all circumferential and longitudinal seams are double-welded butt joints and are spot radiographed.
From Appendix J, a value of E =0.85 is obtained. From Eq. (8.1),
t=\frac{P R}{S E-0.6 P}=\frac{100 \times 25}{17,500 \times .85-0.6 \times 100}t = 0.17 in.
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