Section properties for S8X18.4

Structural sectional properties for a S8X18.4 standard steel section


steel section diagram
DescriptionSymbolValue
Shape Category / DesignationTypeS
Section NameNameS8X18.4
Cross Sectional AreaA5.4 in2
Section Widthb4 in
Section Depthd8 in
Flange thicknesstf0.425 in
Web thicknesstw0.271 in
Radius of Gyration about X-Xrx3.26 in
Radius of Gyrations about Y-Yry0.827 in
Moment of Inertia about X-XIx57.5 in4
Moment of Intertia about Y-YIy3.69 in4
Elastic Section Modulus about X-XSx14.4 in3
Elastic Section Modulus about Y-YSy1.84 in3
Plastic Section Modulus about X-XZx16.5 in3
Plastic Section Modulus about Y-YZy3.18 in3
St. Venant Torsional ConstantJ0.335 in4
Warping Torsion ConstantCw52.9 in6
Self Weight of section per footWeight18.4 lb/ft

A S8X18.4 steel section is a standard North American steel section in the S - Standard Wide Flange category. It weighs 18.4 lb/ft and has a cross sectional area of 5.4 in2. The height and width of the section are 8 in and 4 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