Dimensions and section properties for W30X261

Structural sectional properties for a W30X261 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW30X261
Cross Sectional AreaA77 in2
Section Widthb15.2 in
Section Depthd31.6 in
Flange thicknesstf1.65 in
Web thicknesstw0.93 in
Radius of Gyration about X-Xrx13.1 in
Radius of Gyrations about Y-Yry3.53 in
Moment of Inertia about X-XIx13100 in4
Moment of Intertia about Y-YIy959 in4
Elastic Section Modulus about X-XSx829 in3
Elastic Section Modulus about Y-YSy127 in3
Plastic Section Modulus about X-XZx943 in3
Plastic Section Modulus about Y-YZy196 in3
St. Venant Torsional ConstantJ54.1 in4
Warping Torsion ConstantCw215000 in6
Self Weight of sectionWeight261 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW30X261
Cross Sectional AreaA49677 mm2
Section Widthb386 mm
Section Depthd803 mm
Flange thicknesstf41.9 mm
Web thicknesstw23.6 mm
Radius of Gyration about X-Xrx333 mm
Radius of Gyrations about Y-Yry90 mm
Moment of Inertia about X-XIx5453000000 mm4
Moment of Intertia about Y-YIy399000000 mm4
Elastic Section Modulus about X-XSx13585000 mm3
Elastic Section Modulus about Y-YSy2081000 mm3
Plastic Section Modulus about X-XZx15453000 mm3
Plastic Section Modulus about Y-YZy3212000 mm3
St. Venant Torsional ConstantJ22518000 mm4
Warping Torsion ConstantCw57735000000000 mm6
Self Weight of sectionWeight388 kg/m

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

A W30X261 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 261 lb/ft and has a cross sectional area of 77 in2. The height and width of the section are 31.6 in and 15.2 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