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S 12X31.8 - Section Properties

The S 12X31.8 is a steel section with a mass of 47.3 kg/m, an overall depth of 304.8 mm and width of 127 mm. It has a cross-sectional area of 60.1 cm², a second moment of area Iᵧ of 9032 cm⁴, a plastic modulus Wₚₗ,ᵧ of 684.98 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass
31.8 lb/ft (47.3 kg/m)
Depth
12 in (304.8 mm)
Width
5 in (127 mm)
Area
9.31 in² (60.1 cm²)
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mass (lb/ft)31.8 (47.3 kg/m)
h (in)12 (304.8 mm)
b (in)5 (127 mm)
tw (in)0.35 (8.9 mm)
tf (in)0.544 (13.8 mm)
A (in²)9.31 (60.1 cm²)
Iy (in⁴)217 (9032 cm⁴)
Wel,y (in³)36.2 (593.21 cm³)
Wpl,y (in³)41.8 (684.98 cm³)
iy (in)4.83 (12.27 cm)
Iz (in⁴)9.33 (388.3 cm⁴)
Wel,z (in³)3.73 (61.124 cm³)
Wpl,z (in³)6.44 (105.53 cm³)
iz (in)1 (2.54 cm)
It (in⁴)0.878 (36.55 cm⁴)
Iw (in⁶)306 (0.08 dm⁶)

Related S sizes

S 15X42.9S 12X50S 12X40.8S 12X35S 10X35S 10X25.4S 8X23S 8X18.4

Learn more

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