WT12x88 – WT Shapes

WT12x88 is a tee 12.6 in (320 mm) deep with a 12.9 in (328 mm) flange, weighing 88 lb/ft (131.0 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)88.0
Depth of Section (in)12.6
Width of Section (in)12.9
Web Thickness (in)0.75
Flange Thickness (in)1.34
Kdet Dimension (in)2.625

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)319
Zx (in³)57.8
Sx (in³)32.2
rx (in)3.51
Iy (in⁴)240
Zy (in³)57.3
Sy (in³)37.2
ry (in)3.04
J (in⁴)11.9
Cw (in⁶)55.8
ro (in)5.09
H (-)0.835

Full sortable table: Section properties table for this family