Steel.

Column Buckling

Flexural and lateral buckling resistance for steel columns under axial compression.

Beam Bending & Shear

Bending moment and shear force resistance for steel beams with moment diagrams.

Lateral-Torsional Buckling

Reduction factor for lateral-torsional buckling of unrestrained steel beams.

Cross-Section Classification

Web and flange classification into classes 1–4 per EC3 Table 5.2.

Bolted Connections

Bearing resistance, shear, and tension capacity for bolted steel connections.

Weld Design

Fillet and butt weld resistance for steel-to-steel connections.