Dimensions and section properties for W30X108

Structural sectional properties for a W30X108 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW30X108
Cross Sectional AreaA31.7 in2
Section Widthb10.5 in
Section Depthd29.8 in
Flange thicknesstf0.76 in
Web thicknesstw0.545 in
Radius of Gyration about X-Xrx11.9 in
Radius of Gyrations about Y-Yry2.15 in
Moment of Inertia about X-XIx4470 in4
Moment of Intertia about Y-YIy146 in4
Elastic Section Modulus about X-XSx299 in3
Elastic Section Modulus about Y-YSy27.9 in3
Plastic Section Modulus about X-XZx346 in3
Plastic Section Modulus about Y-YZy43.9 in3
St. Venant Torsional ConstantJ4.99 in4
Warping Torsion ConstantCw30900 in6
Self Weight of sectionWeight108 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW30X108
Cross Sectional AreaA20452 mm2
Section Widthb267 mm
Section Depthd757 mm
Flange thicknesstf19.3 mm
Web thicknesstw13.8 mm
Radius of Gyration about X-Xrx302 mm
Radius of Gyrations about Y-Yry55 mm
Moment of Inertia about X-XIx1861000000 mm4
Moment of Intertia about Y-YIy61000000 mm4
Elastic Section Modulus about X-XSx4900000 mm3
Elastic Section Modulus about Y-YSy457000 mm3
Plastic Section Modulus about X-XZx5670000 mm3
Plastic Section Modulus about Y-YZy719000 mm3
St. Venant Torsional ConstantJ2077000 mm4
Warping Torsion ConstantCw8298000000000 mm6
Self Weight of sectionWeight161 kg/m

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

A W30X108 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 108 lb/ft and has a cross sectional area of 31.7 in2. The height and width of the section are 29.8 in and 10.5 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