[PSUBS-MAILIST] exotic steel

[Sean T. Stevenson via Personal_Submersibles]

FYI:  This is for a 72" sphere with 1.25" thick material.  Where this
may differ from Jon's calculation is that the Usage Factor, eta, used in
this program is 0.67 as specified by ABS.  Jon apparently used 0.8,
which increases conservatism.

Sean


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