WT12x42 – WT Shapes

WT12x42 is a tee 12.1 in (307 mm) deep with a 9.02 in (229 mm) flange, weighing 42 lb/ft (62.5 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)42.0
Depth of Section (in)12.1
Width of Section (in)9.02
Web Thickness (in)0.47
Flange Thickness (in)0.77
Kdet Dimension (in)2.0625

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)166
Zx (in³)32.5
Sx (in³)18.3
rx (in)3.67
Iy (in⁴)47.2
Zy (in³)16.3
Sy (in³)10.5
ry (in)1.95
J (in⁴)1.84
Cw (in⁶)6.9
ro (in)4.9
H (-)0.72

Full sortable table: Section properties table for this family