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S 8X18.4 - Section Properties

The S 8X18.4 is a steel section with a mass of 27.4 kg/m, an overall depth of 203.2 mm and width of 101.6 mm. It has a cross-sectional area of 34.8 cm², a second moment of area Iᵧ of 2393 cm⁴, a plastic modulus Wₚₗ,ᵧ of 270.39 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass
18.4 lb/ft (27.4 kg/m)
Depth
8 in (203.2 mm)
Width
4 in (101.6 mm)
Area
5.4 in² (34.8 cm²)
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mass (lb/ft)18.4 (27.4 kg/m)
h (in)8 (203.2 mm)
b (in)4 (101.6 mm)
tw (in)0.271 (6.9 mm)
tf (in)0.425 (10.8 mm)
A (in²)5.4 (34.8 cm²)
Iy (in⁴)57.5 (2393 cm⁴)
Wel,y (in³)14.4 (235.97 cm³)
Wpl,y (in³)16.5 (270.39 cm³)
iy (in)3.26 (8.28 cm)
Iz (in⁴)3.69 (153.6 cm⁴)
Wel,z (in³)1.84 (30.152 cm³)
Wpl,z (in³)3.18 (52.111 cm³)
iz (in)0.827 (2.1 cm)
It (in⁴)0.335 (13.94 cm⁴)
Iw (in⁶)52.9 (0.01 dm⁶)

Related S sizes

S 12X31.8S 10X35S 10X25.4S 8X23S 6X17.25S 6X12.5S 5X10S 4X9.5

Learn more

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