WT3x8 – WT Shapes

WT3x8 is a tee 3.14 in (80 mm) deep with a 4.03 in (102 mm) flange, weighing 8 lb/ft (11.9 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)8.0
Depth of Section (in)3.14
Width of Section (in)4.03
Web Thickness (in)0.26
Flange Thickness (in)0.405
Kdet Dimension (in)0.875

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)1.69
Zx (in³)1.25
Sx (in³)0.685
rx (in)0.844
Iy (in⁴)2.21
Zy (in³)1.69
Sy (in³)1.1
ry (in)0.966
J (in⁴)0.111
Cw (in⁶)0.0426
ro (in)1.37
H (-)0.88

Full sortable table: Section properties table for this family