Paragraph UG-28 of the ASME Section VIII, Division 1 provides rules for reinforcement of the cone-to-cylinder junction based on line of support criteria. Code Case 2286, on the other hand, provides rules based on actual stresses versus allowable stresses. In this paper, the authors compare the results of the calculations for the reinforcement of the cone-to-cylinder junction for each method. It was found that, in some cases, the reinforcement method of UG-28 will produce non-conservative results.

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