Section properties for WT18X80

Structural sectional properties for a WT18X80 standard steel section

Description	Symbol	Value
Shape Category / Designation	Type	WT
Section Name	Name	WT18X80
Cross Sectional Area	A	23.5 in²
Section Width	b	12 in
Section Depth	d	18 in
Flange thickness	tf	1.02 in
Web thickness	tw	0.65 in
Radius of Gyration about X-X	rx	5.61 in
Radius of Gyrations about Y-Y	ry	2.5 in
Moment of Inertia about X-X	Ix	740 in⁴
Moment of Intertia about Y-Y	Iy	147 in⁴
Elastic Section Modulus about X-X	Sx	55.8 in³
Elastic Section Modulus about Y-Y	Sy	24.6 in³
Plastic Section Modulus about X-X	Zx	100 in³
Plastic Section Modulus about Y-Y	Zy	38.6 in³
St. Venant Torsional Constant	J	6.17 in⁴
Warping Torsion Constant	Cw	53.6 in⁶
Self Weight of section per foot	Weight	80 lb/ft

A WT18X80 steel section is a standard North American steel section in the WT - Tee Sections category. It weighs 80 lb/ft and has a cross sectional area of 23.5 in². The height and width of the section are 18 in and 12 in respectively.

The section has a tensile yield capacity of:

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The section has a flexural plastic moment capacity of:

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The section has a flexural elastic moment capacity of:

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