WT 3X4.5 - Section Properties

The WT 3X4.5 is a steel section with a mass of 6.7 kg/m, an overall depth of 74.9 mm and width of 100.1 mm. It has a cross-sectional area of 8.6 cm², a second moment of area Iᵧ of 39.54 cm⁴, a plastic modulus Wₚₗ,ᵧ of 11.799 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass: 4.5 lb/ft (6.7 kg/m)
Depth: 2.95 in (74.9 mm)
Width: 3.94 in (100.1 mm)
Area: 1.34 in² (8.6 cm²)

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mass (lb/ft)4.5 (6.7 kg/m)

h (in)2.95 (74.9 mm)

b (in)3.94 (100.1 mm)

t_w (in)0.17 (4.3 mm)

t_f (in)0.215 (5.5 mm)

A (in²)1.34 (8.6 cm²)

I_y (in⁴)0.95 (39.54 cm⁴)

W_el,y (in³)0.408 (6.686 cm³)

W_pl,y (in³)0.72 (11.799 cm³)

i_y (in)0.842 (2.14 cm)

I_z (in⁴)1.1 (45.79 cm⁴)