WT8x28.5 – WT Shapes

WT8x28.5 is a tee 8.22 in (209 mm) deep with a 7.12 in (181 mm) flange, weighing 28.5 lb/ft (42.4 kg/m).

WT shapes are structural tees produced by splitting a W shape lengthwise down the centre of its web, yielding a T-shaped cross-section with the flange width and thickness of the parent W shape. They're used as chords in trusses and open-web steel joists, as flanges welded to plate to build up girders and other custom sections, and anywhere a single wide bearing flange on a stem is more structurally efficient than a full I-shaped section — typically where only one face of the member needs to carry a bearing or connection load.

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Dimensions

PropertyValue
Nominal Weight (lb/ft)28.5
Depth of Section (in)8.22
Width of Section (in)7.12
Web Thickness (in)0.43
Flange Thickness (in)0.715
Kdet Dimension (in)1.375

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)48.7
Zx (in³)13.8
Sx (in³)7.77
rx (in)2.41
Iy (in⁴)21.6
Zy (in³)9.42
Sy (in³)6.06
ry (in)1.6
J (in⁴)1.1
Cw (in⁶)1.99
ro (in)3.3
H (-)0.77

Full sortable table: Section properties table for this family