L 300×300×29

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

300 mm300 mm

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

Dimensions

PropertyMetricImperial
Depth, d300 mm11.811 in
Width300 mm11.811 in
Thickness, t29 mm1.1417 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ139,000,000 mm⁴333.9488 in⁴
Elastic modulus, Sₓ645,000 mm³39.3603 in³
Radius of gyration, rₓ91.8 mm3.6142 in
Distance to top fibre215.5039 mm8.4844 in
Distance to bottom fibre84.4961 mm3.3266 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y139,000,000 mm⁴333.9488 in⁴
Elastic modulus, S_y645,000 mm³39.3603 in³
Radius of gyration, r_y91.8 mm3.6142 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J4,770,000 mm⁴11.46 in⁴

Mass

PropertyMetricImperial
Mass per metre129 kg/m86.684 lb/ft
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L 300×300×29 dimensions and section properties | Kannamwar Engineering