WT7x128.5 – WT Shapes

WT7x128.5 is a tee 8.19 in (208 mm) deep with a 16 in (406 mm) flange, weighing 128.5 lb/ft (191.2 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)128.5
Depth of Section (in)8.19
Width of Section (in)16.0
Web Thickness (in)1.18
Flange Thickness (in)1.89
Kdet Dimension (in)3.1875

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)133
Zx (in³)43.9
Sx (in³)20.7
rx (in)1.88
Iy (in⁴)645
Zy (in³)123
Sy (in³)80.7
ry (in)4.13
J (in⁴)39.3
Cw (in⁶)209
ro (in)4.61
H (-)0.969

Full sortable table: Section properties table for this family