Dimensions and section properties for WT18X75

Structural sectional properties for a WT18X75 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT18X75
Cross Sectional AreaA22.1 in2
Section Widthb12 in
Section Depthd17.9 in
Flange thicknesstf0.94 in
Web thicknesstw0.625 in
Radius of Gyration about X-Xrx5.62 in
Radius of Gyrations about Y-Yry2.47 in
Moment of Inertia about X-XIx698 in4
Moment of Intertia about Y-YIy135 in4
Elastic Section Modulus about X-XSx53.1 in3
Elastic Section Modulus about Y-YSy22.5 in3
Plastic Section Modulus about X-XZx95.5 in3
Plastic Section Modulus about Y-YZy35.4 in3
St. Venant Torsional ConstantJ5.04 in4
Warping Torsion ConstantCw46 in6
Self Weight of sectionWeight75 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT18X75
Cross Sectional AreaA14258 mm2
Section Widthb305 mm
Section Depthd455 mm
Flange thicknesstf23.9 mm
Web thicknesstw15.9 mm
Radius of Gyration about X-Xrx143 mm
Radius of Gyrations about Y-Yry63 mm
Moment of Inertia about X-XIx291000000 mm4
Moment of Intertia about Y-YIy56000000 mm4
Elastic Section Modulus about X-XSx870000 mm3
Elastic Section Modulus about Y-YSy369000 mm3
Plastic Section Modulus about X-XZx1565000 mm3
Plastic Section Modulus about Y-YZy580000 mm3
St. Venant Torsional ConstantJ2098000 mm4
Warping Torsion ConstantCw12000000000 mm6
Self Weight of sectionWeight112 kg/m

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

A WT18X75 steel section is a standard North American steel section in the WT - Tee Sections category. It weighs 75 lb/ft and has a cross sectional area of 22.1 in2. The height and width of the section are 17.9 in and 12 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