W 18X55 - Section Properties

The W 18X55 is a steel section with a mass of 81.8 kg/m, an overall depth of 459.7 mm and width of 191.3 mm. It has a cross-sectional area of 104.5 cm², a second moment of area Iᵧ of 37045 cm⁴, a plastic modulus Wₚₗ,ᵧ of 1835.4 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass: 55 lb/ft (81.8 kg/m)
Depth: 18.1 in (459.7 mm)
Width: 7.53 in (191.3 mm)
Area: 16.2 in² (104.5 cm²)

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mass (lb/ft)55 (81.8 kg/m)

h (in)18.1 (459.7 mm)

b (in)7.53 (191.3 mm)

t_w (in)0.39 (9.9 mm)

t_f (in)0.63 (16 mm)

A (in²)16.2 (104.5 cm²)

I_y (in⁴)890 (37045 cm⁴)

W_el,y (in³)98.3 (1610.8 cm³)

W_pl,y (in³)112 (1835.4 cm³)

i_y (in)7.41 (18.82 cm)

I_z (in⁴)44.9 (1869 cm⁴)