I-section properties

Calculates angle-section properties as two rectangles with the overlapped corner subtracted.

Calculates channel-section properties from a rectangular web and two flanges.

Calculates T-section properties from a rectangular flange and web.

Calculates Z-section properties with flanges placed on opposite sides of the web.

Calculates area, second moments, section moduli, and mass per length for a pipe or CHS from outer diameter and wall thickness.

Calculates second moment of area for a solid circular section.