Damage and wounding readjustment

[Anthony]

Originally Posted by Figleaf23

A rectangular bar with a 2mm wide edge will concentrate the striking force better than a rectangular bar with a 4mm wide edge.

Not to a meaningful extent. In general, if you're seeking deformation of armor rather than cleaving through armor, all that matters is a radius of curvature smaller than the radius of curvature you want to impose on the armor.