Dimensions and section properties for WT9X129

Structural sectional properties for a WT9X129 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT9X129
Cross Sectional AreaA38 in2
Section Widthb11.8 in
Section Depthd10.7 in
Flange thicknesstf2.3 in
Web thicknesstw1.28 in
Radius of Gyration about X-Xrx2.8 in
Radius of Gyrations about Y-Yry2.88 in
Moment of Inertia about X-XIx298 in4
Moment of Intertia about Y-YIy314 in4
Elastic Section Modulus about X-XSx37 in3
Elastic Section Modulus about Y-YSy53.4 in3
Plastic Section Modulus about X-XZx71 in3
Plastic Section Modulus about Y-YZy83.1 in3
St. Venant Torsional ConstantJ51.1 in4
Warping Torsion ConstantCw189 in6
Self Weight of sectionWeight129 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT9X129
Cross Sectional AreaA24516 mm2
Section Widthb300 mm
Section Depthd272 mm
Flange thicknesstf58.4 mm
Web thicknesstw32.5 mm
Radius of Gyration about X-Xrx71 mm
Radius of Gyrations about Y-Yry73 mm
Moment of Inertia about X-XIx124000000 mm4
Moment of Intertia about Y-YIy131000000 mm4
Elastic Section Modulus about X-XSx606000 mm3
Elastic Section Modulus about Y-YSy875000 mm3
Plastic Section Modulus about X-XZx1163000 mm3
Plastic Section Modulus about Y-YZy1362000 mm3
St. Venant Torsional ConstantJ21269000 mm4
Warping Torsion ConstantCw51000000000 mm6
Self Weight of sectionWeight192 kg/m

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

A WT9X129 steel section is a standard North American steel section in the WT - Tee Sections category. It weighs 129 lb/ft and has a cross sectional area of 38 in2. The height and width of the section are 10.7 in and 11.8 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