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[PSUBS-MAILIST] Distance Between Pressure Boundary Welds



I was wondering if anyone had any input/feedback regarding the minimum distances between butt or girth welds for pressure boundary applications?  I found a reference that stated: “a criterion that was developed many years ago based on welding tests is:  the greater of 2 inches or 4 times the wall thickness”.   As I try to design small I find my potential hull welds intersecting or being very close.  I am still researching but curious to hear from others.

 

Thanks,

Steve McQueen,

Indianapolis, IN