AISCAISC 360-22
Formulas

Formulas: bolts and threaded parts

PDF page 275 · AISC 360-22

Equation A-3-7

At=π4(db−0.9743n)2A_{t}=\frac{\pi}{4}\left(d_{b}-\frac{0.9743}{n}\right)^{2}

Equation A-3-7M

At=π4(db−0.9382p)2A_{t}=\frac{\pi}{4}\left(d_{b}-0.9382 p\right)^{2}

where

db = nominal diameter (body or shank diameter), in. (mm)

  • n=n \quad= threads per in. (per mm)
  • p = pitch, in. per thread (mm per thread)

Found in

Formulas: plain material and welded joints

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Equation A-3-7Equation A-3-7MFound in