Dimensions and section properties for WT4X9

Structural sectional properties for a WT4X9 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT4X9
Cross Sectional AreaA2.63 in2
Section Widthb5.25 in
Section Depthd4.07 in
Flange thicknesstf0.33 in
Web thicknesstw0.23 in
Radius of Gyration about X-Xrx1.14 in
Radius of Gyrations about Y-Yry1.23 in
Moment of Inertia about X-XIx3.41 in4
Moment of Intertia about Y-YIy3.98 in4
Elastic Section Modulus about X-XSx1.05 in3
Elastic Section Modulus about Y-YSy1.52 in3
Plastic Section Modulus about X-XZx1.86 in3
Plastic Section Modulus about Y-YZy2.33 in3
St. Venant Torsional ConstantJ0.0855 in4
Warping Torsion ConstantCw0.0562 in6
Self Weight of sectionWeight9 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeWT
Section NameNameWT4X9
Cross Sectional AreaA1697 mm2
Section Widthb133 mm
Section Depthd103 mm
Flange thicknesstf8.4 mm
Web thicknesstw5.8 mm
Radius of Gyration about X-Xrx29 mm
Radius of Gyrations about Y-Yry31 mm
Moment of Inertia about X-XIx1000000 mm4
Moment of Intertia about Y-YIy2000000 mm4
Elastic Section Modulus about X-XSx17000 mm3
Elastic Section Modulus about Y-YSy25000 mm3
Plastic Section Modulus about X-XZx30000 mm3
Plastic Section Modulus about Y-YZy38000 mm3
St. Venant Torsional ConstantJ36000 mm4
Warping Torsion ConstantCw0 mm6
Self Weight of sectionWeight13 kg/m

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

A WT4X9 steel section is a standard North American steel section in the WT - Tee Sections category. It weighs 9 lb/ft and has a cross sectional area of 2.63 in2. The height and width of the section are 4.07 in and 5.25 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