outer diameter

hole diameter

thickness

mean diameter

bottom side only

top side only

on both sides

any side

T/2

T

2 T

4 T

butt joint with single cover plate

butt joint with double cover plate

lap joint with one ring overlapping the other

any one of the above

axial tensile load only

axial compressive load only

combined axial and twisting loads

axial tensile or compressive loads