ST 12X40 - Section Properties

The ST 12X40 is a steel section with a mass of 59.5 kg/m, an overall depth of 304.8 mm and width of 177.8 mm. It has a cross-sectional area of 75.5 cm², a second moment of area Iᵧ of 6743 cm⁴, a plastic modulus Wₚₗ,ᵧ of 550.61 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass: 40 lb/ft (59.5 kg/m)
Depth: 12 in (304.8 mm)
Width: 7 in (177.8 mm)
Area: 11.7 in² (75.5 cm²)

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mass (lb/ft)40 (59.5 kg/m)

h (in)12 (304.8 mm)

b (in)7 (177.8 mm)

t_w (in)0.5 (12.7 mm)

t_f (in)0.87 (22.1 mm)

A (in²)11.7 (75.5 cm²)

I_y (in⁴)162 (6743 cm⁴)

W_el,y (in³)18.6 (304.8 cm³)

W_pl,y (in³)33.6 (550.61 cm³)

i_y (in)3.72 (9.45 cm)

I_z (in⁴)21 (874.1 cm⁴)