C 12X20.7 - Section Properties

The C 12X20.7 is a steel section with a mass of 30.8 kg/m, an overall depth of 304.8 mm and width of 74.7 mm. It has a cross-sectional area of 39.2 cm², a second moment of area Iᵧ of 5369 cm⁴, a plastic modulus Wₚₗ,ᵧ of 419.51 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass: 20.7 lb/ft (30.8 kg/m)
Depth: 12 in (304.8 mm)
Width: 2.94 in (74.7 mm)
Area: 6.08 in² (39.2 cm²)

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mass (lb/ft)20.7 (30.8 kg/m)

h (in)12 (304.8 mm)

b (in)2.94 (74.7 mm)

t_w (in)0.282 (7.2 mm)

t_f (in)0.501 (12.7 mm)

A (in²)6.08 (39.2 cm²)

I_y (in⁴)129 (5369 cm⁴)

W_el,y (in³)21.5 (352.32 cm³)

W_pl,y (in³)25.6 (419.51 cm³)

i_y (in)4.61 (11.71 cm)

I_z (in⁴)3.86 (160.7 cm⁴)