WT 18X91 - Section Properties

The WT 18X91 is a steel section with a mass of 135.4 kg/m, an overall depth of 462.3 mm and width of 307.3 mm. It has a cross-sectional area of 172.9 cm², a second moment of area Iᵧ of 35172 cm⁴, a plastic modulus Wₚₗ,ᵧ of 1851.7 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass: 91 lb/ft (135.4 kg/m)
Depth: 18.2 in (462.3 mm)
Width: 12.1 in (307.3 mm)
Area: 26.8 in² (172.9 cm²)

🔍 Open the full Steel Catalogue →Run EC3 capacity checks on WT 18X91 →

mass (lb/ft)91 (135.4 kg/m)

h (in)18.2 (462.3 mm)

b (in)12.1 (307.3 mm)

t_w (in)0.725 (18.4 mm)

t_f (in)1.18 (30 mm)

A (in²)26.8 (172.9 cm²)

I_y (in⁴)845 (35172 cm⁴)

W_el,y (in³)63.1 (1034 cm³)

W_pl,y (in³)113 (1851.7 cm³)

i_y (in)5.62 (14.27 cm)

I_z (in⁴)174 (7242 cm⁴)