Dimensions and section properties for WT20X181

Structural sectional properties for a WT20X181 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT20X181
Cross Sectional AreaA53.2 in2
Section Widthb16 in
Section Depthd20.3 in
Flange thicknesstf2.01 in
Web thicknesstw1.12 in
Radius of Gyration about X-Xrx5.92 in
Radius of Gyrations about Y-Yry3.6 in
Moment of Inertia about X-XIx1870 in4
Moment of Intertia about Y-YIy691 in4
Elastic Section Modulus about X-XSx122 in3
Elastic Section Modulus about Y-YSy86.3 in3
Plastic Section Modulus about X-XZx217 in3
Plastic Section Modulus about Y-YZy135 in3
St. Venant Torsional ConstantJ54.2 in4
Warping Torsion ConstantCw511 in6
Self Weight of sectionWeight181 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT20X181
Cross Sectional AreaA34323 mm2
Section Widthb406 mm
Section Depthd516 mm
Flange thicknesstf51.1 mm
Web thicknesstw28.4 mm
Radius of Gyration about X-Xrx150 mm
Radius of Gyrations about Y-Yry91 mm
Moment of Inertia about X-XIx778000000 mm4
Moment of Intertia about Y-YIy288000000 mm4
Elastic Section Modulus about X-XSx1999000 mm3
Elastic Section Modulus about Y-YSy1414000 mm3
Plastic Section Modulus about X-XZx3556000 mm3
Plastic Section Modulus about Y-YZy2212000 mm3
St. Venant Torsional ConstantJ22560000 mm4
Warping Torsion ConstantCw137000000000 mm6
Self Weight of sectionWeight269 kg/m

Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.

A WT20X181 steel section is a standard North American steel section in the WT - Tee Sections category. It weighs 181 lb/ft and has a cross sectional area of 53.2 in2. The height and width of the section are 20.3 in and 16 in respectively.

The section has a tensile yield capacity of:

kip

The section has a flexural plastic moment capacity of:

kip-ft

The section has a flexural elastic moment capacity of:

kip-ft