This is the maximum allowable stress above which the shell plate in question is rejected. ... In some cases, it may be both desirable and economical to carry out a 100Ad/o radiograph and to repair as necessary, so that a 100Ad/o ... This renewal procedure generally produces a large corrosion allowance in the bottom ring, where from the corrosion view-point, it is ... 75Ad/o of the original (API-specified) thickness for plates thinner than s/s inch has been required for such tanks. b) Thicknessanbsp;...
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