WT 4X20 - Section Properties

The WT 4X20 is a steel section with a mass of 29.8 kg/m, an overall depth of 104.9 mm and width of 205 mm. It has a cross-sectional area of 37.9 cm², a second moment of area Iᵧ of 238.5 cm⁴, a plastic modulus Wₚₗ,ᵧ of 53.258 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass: 20 lb/ft (29.8 kg/m)
Depth: 4.13 in (104.9 mm)
Width: 8.07 in (205 mm)
Area: 5.87 in² (37.9 cm²)

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mass (lb/ft)20 (29.8 kg/m)

h (in)4.13 (104.9 mm)

b (in)8.07 (205 mm)

t_w (in)0.36 (9.1 mm)

t_f (in)0.56 (14.2 mm)

A (in²)5.87 (37.9 cm²)

I_y (in⁴)5.73 (238.5 cm⁴)

W_el,y (in³)1.69 (27.694 cm³)

W_pl,y (in³)3.25 (53.258 cm³)

i_y (in)0.988 (2.51 cm)

I_z (in⁴)24.5 (1020 cm⁴)