L 80×80×7

Angles from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.

80 mm80 mm

Outline drawn from the published dimensions. Fillets and root radii are not shown.

Dimensions

PropertyMetricImperial
Depth, d80 mm3.1496 in
Width80 mm3.1496 in
Thickness, t7 mm0.275591 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ642,000 mm⁴1.5424 in⁴
Elastic modulus, Sₓ11,100 mm³0.677364 in³
Radius of gyration, rₓ24.4 mm0.96063 in
Distance to top fibre57.8378 mm2.2771 in
Distance to bottom fibre22.1622 mm0.8725275 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y642,000 mm⁴1.5424 in⁴
Elastic modulus, S_y11,100 mm³0.677364 in³
Radius of gyration, r_y24.4 mm0.96063 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J19,600 mm⁴0.047089 in⁴

Mass

PropertyMetricImperial
Mass per metre8.49 kg/m5.705 lb/ft
Analyse a beam with this section
↑↓ to move · ↵ to open · esc to close⌘K