Section properties for W30X99

Structural sectional properties for a W30X99 standard steel section


steel section diagram
DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW30X99
Cross Sectional AreaA29 in2
Section Widthb10.5 in
Section Depthd29.7 in
Flange thicknesstf0.67 in
Web thicknesstw0.52 in
Radius of Gyration about X-Xrx11.7 in
Radius of Gyrations about Y-Yry2.1 in
Moment of Inertia about X-XIx3990 in4
Moment of Intertia about Y-YIy128 in4
Elastic Section Modulus about X-XSx269 in3
Elastic Section Modulus about Y-YSy24.5 in3
Plastic Section Modulus about X-XZx312 in3
Plastic Section Modulus about Y-YZy38.6 in3
St. Venant Torsional ConstantJ3.77 in4
Warping Torsion ConstantCw26800 in6
Self Weight of section per footWeight99 lb/ft

A W30X99 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 99 lb/ft and has a cross sectional area of 29 in2. The height and width of the section are 29.7 in and 10.5 in respectively.

The section has a tensile yield capacity of:

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The section has a flexural plastic moment capacity of:

kip-ft

The section has a flexural elastic moment capacity of:

kip-ft