WT8x15.5 – WT Shapes

WT8x15.5 is a tee 7.94 in (202 mm) deep with a 5.53 in (140 mm) flange, weighing 15.5 lb/ft (23.1 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)15.5
Depth of Section (in)7.94
Width of Section (in)5.53
Web Thickness (in)0.275
Flange Thickness (in)0.44
Kdet Dimension (in)1.125

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)27.5
Zx (in³)8.27
Sx (in³)4.64
rx (in)2.45
Iy (in⁴)6.2
Zy (in³)3.51
Sy (in³)2.24
ry (in)1.17
J (in⁴)0.23
Cw (in⁶)0.366
ro (in)3.26
H (-)0.695

Full sortable table: Section properties table for this family