Our customer has request a pressure vessel with an altered B16.5 Flange. They need 2 counterbored holes drilled radially through the outside diameter of the flange, between the bolt holes, similar to an oriface flange. Are there code calculations to verify, i.e. area replacement, or min. wall...
I am trying to find some information on how a pipe that is filled with concrete will affect it's strength with relation to bending. How will filling a pipe affect it's moment of Inertia?
