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[PSUBS-MAILIST] Re: hsla steels, trucated cones, X-Plane



Is the Navy is moving to HSLA 80 and 100 and should one expect that these are or will be included in the standards? Perhaps when I query suppliers/fabricators I will find that the price makes this a moot issue.
 
Can anyone recommend software or speadsheet calculations for evaluating truncated cone sections?
 
Is there an "X-Plane" for subs?
 
Gordon Alexander