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W 18X311 - Section Properties

The W 18X311 is a steel section with a mass of 462.8 kg/m, an overall depth of 566.4 mm and width of 304.8 mm. It has a cross-sectional area of 591 cm², a second moment of area Iᵧ of 290113 cm⁴, a plastic modulus Wₚₗ,ᵧ of 12355.8 cm³, to AISC Shapes Database v16.0 (SCI P363 Blue Book).

Mass
311 lb/ft (462.8 kg/m)
Depth
22.3 in (566.4 mm)
Width
12 in (304.8 mm)
Area
91.6 in² (591 cm²)
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mass (lb/ft)311 (462.8 kg/m)
h (in)22.3 (566.4 mm)
b (in)12 (304.8 mm)
tw (in)1.52 (38.6 mm)
tf (in)2.74 (69.6 mm)
A (in²)91.6 (591 cm²)
Iy (in⁴)6970 (290113 cm⁴)
Wel,y (in³)624 (10225.5 cm³)
Wpl,y (in³)754 (12355.8 cm³)
iy (in)8.72 (22.15 cm)
Iz (in⁴)795 (33090 cm⁴)
Wel,z (in³)132 (2163.1 cm³)
Wpl,z (in³)207 (3392.1 cm³)
iz (in)2.95 (7.49 cm)
It (in⁴)176 (7326 cm⁴)
Iw (in⁶)76200 (20.46 dm⁶)

Related W sizes

W 21X48W 21X57W 21X50W 21X44W 18X283W 18X258W 18X234W 18X211

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