WT20x105.5 – WT Shapes

WT20x105.5 is a tee 19.7 in (500 mm) deep with an 11.8 in (300 mm) flange, weighing 105.5 lb/ft (157.0 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)105.5
Depth of Section (in)19.7
Width of Section (in)11.8
Web Thickness (in)0.75
Flange Thickness (in)1.42
Kdet Dimension (in)2.6875

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)1120
Zx (in³)137
Sx (in³)76.7
rx (in)6.01
Iy (in⁴)195
Zy (in³)52.1
Sy (in³)33
ry (in)2.51
J (in⁴)15.2
Cw (in⁶)113
ro (in)7.84
H (-)0.69

Full sortable table: Section properties table for this family