Dimensions and section properties for W30X90

Structural sectional properties for a W30X90 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW30X90
Cross Sectional AreaA26.3 in2
Section Widthb10.4 in
Section Depthd29.5 in
Flange thicknesstf0.61 in
Web thicknesstw0.47 in
Radius of Gyration about X-Xrx11.7 in
Radius of Gyrations about Y-Yry2.09 in
Moment of Inertia about X-XIx3610 in4
Moment of Intertia about Y-YIy115 in4
Elastic Section Modulus about X-XSx245 in3
Elastic Section Modulus about Y-YSy22.1 in3
Plastic Section Modulus about X-XZx283 in3
Plastic Section Modulus about Y-YZy34.7 in3
St. Venant Torsional ConstantJ2.84 in4
Warping Torsion ConstantCw24000 in6
Self Weight of sectionWeight90 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW30X90
Cross Sectional AreaA16968 mm2
Section Widthb264 mm
Section Depthd749 mm
Flange thicknesstf15.5 mm
Web thicknesstw11.9 mm
Radius of Gyration about X-Xrx297 mm
Radius of Gyrations about Y-Yry53 mm
Moment of Inertia about X-XIx1503000000 mm4
Moment of Intertia about Y-YIy48000000 mm4
Elastic Section Modulus about X-XSx4015000 mm3
Elastic Section Modulus about Y-YSy362000 mm3
Plastic Section Modulus about X-XZx4638000 mm3
Plastic Section Modulus about Y-YZy569000 mm3
St. Venant Torsional ConstantJ1182000 mm4
Warping Torsion ConstantCw6445000000000 mm6
Self Weight of sectionWeight134 kg/m

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

A W30X90 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 90 lb/ft and has a cross sectional area of 26.3 in2. The height and width of the section are 29.5 in and 10.4 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