ST 3X8.6 - Section Properties

The ST 3X8.6 is a steel section with a mass of 12.8 kg/m, an overall depth of 76.2 mm and width of 90.7 mm. It has a cross-sectional area of 16.3 cm², a second moment of area Iᵧ of 88.24 cm⁴, a plastic modulus Wₚₗ,ᵧ of 30.316 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass: 8.6 lb/ft (12.8 kg/m)
Depth: 3 in (76.2 mm)
Width: 3.57 in (90.7 mm)
Area: 2.53 in² (16.3 cm²)

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mass (lb/ft)8.6 (12.8 kg/m)

h (in)3 (76.2 mm)

b (in)3.57 (90.7 mm)

t_w (in)0.465 (11.8 mm)

t_f (in)0.359 (9.1 mm)

A (in²)2.53 (16.3 cm²)

I_y (in⁴)2.12 (88.24 cm⁴)

W_el,y (in³)1.02 (16.715 cm³)

W_pl,y (in³)1.85 (30.316 cm³)

i_y (in)0.915 (2.32 cm)

I_z (in⁴)1.14 (47.45 cm⁴)