WT 4X9 - Section Properties

The WT 4X9 is a steel section with a mass of 13.4 kg/m, an overall depth of 103.4 mm and width of 133.4 mm. It has a cross-sectional area of 17 cm², a second moment of area Iᵧ of 141.9 cm⁴, a plastic modulus Wₚₗ,ᵧ of 30.48 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass: 9 lb/ft (13.4 kg/m)
Depth: 4.07 in (103.4 mm)
Width: 5.25 in (133.4 mm)
Area: 2.63 in² (17 cm²)

🔍 Open the full Steel Catalogue →Run EC3 capacity checks on WT 4X9 →

mass (lb/ft)9 (13.4 kg/m)

h (in)4.07 (103.4 mm)

b (in)5.25 (133.4 mm)

t_w (in)0.23 (5.8 mm)

t_f (in)0.33 (8.4 mm)

A (in²)2.63 (17 cm²)

I_y (in⁴)3.41 (141.9 cm⁴)

W_el,y (in³)1.05 (17.206 cm³)

W_pl,y (in³)1.86 (30.48 cm³)

i_y (in)1.14 (2.9 cm)

I_z (in⁴)3.98 (165.7 cm⁴)