Calculation Formula of the Perforated Sheet Open Area

Perforated sheet has different hole types, so they have different open area. Here is the commonly calculation formula of the open area.

Sketch map of the 60 degree round hole
open area calculation formula.
60 degree round hole open area.
Sketch map of the 45 degree round hole
open area calculation formula.
45 degree round hole open area.
Sketch map of the 90 degree round hole open area calculation formula.
90 degree round hole open area.
Sketch map of the hexagonal staggered open area calculation formula.
Hexagonal staggered round hole open area.
Sketch map of the square staggered
open area calculation formula.
Square staggered round hole open area.
Sketch map of the square straight
open area calculation formula.
Square straight round hole open area.
Sketch map of the slotted staggered
open area calculation formula.
Slotted staggered round hole open area.
Sketch map of the slotted straight
open area calculation formula.
Slotted straight round hole open area.
Sketch map of the rectangular staggered open area calculation formula.
Rectangular staggered round hole open area.
Sketch map of the rectangular straight open area calculation formula.
Rectangular straight round hole open area.

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