Dimensions and section properties for W18X234

Structural sectional properties for a W18X234 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X234
Cross Sectional AreaA68.6 in2
Section Widthb11.7 in
Section Depthd21.1 in
Flange thicknesstf2.11 in
Web thicknesstw1.16 in
Radius of Gyration about X-Xrx8.44 in
Radius of Gyrations about Y-Yry2.85 in
Moment of Inertia about X-XIx4900 in4
Moment of Intertia about Y-YIy558 in4
Elastic Section Modulus about X-XSx466 in3
Elastic Section Modulus about Y-YSy95.8 in3
Plastic Section Modulus about X-XZx549 in3
Plastic Section Modulus about Y-YZy149 in3
St. Venant Torsional ConstantJ78.7 in4
Warping Torsion ConstantCw50100 in6
Self Weight of sectionWeight234 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X234
Cross Sectional AreaA44258 mm2
Section Widthb297 mm
Section Depthd536 mm
Flange thicknesstf53.6 mm
Web thicknesstw29.5 mm
Radius of Gyration about X-Xrx214 mm
Radius of Gyrations about Y-Yry72 mm
Moment of Inertia about X-XIx2040000000 mm4
Moment of Intertia about Y-YIy232000000 mm4
Elastic Section Modulus about X-XSx7636000 mm3
Elastic Section Modulus about Y-YSy1570000 mm3
Plastic Section Modulus about X-XZx8996000 mm3
Plastic Section Modulus about Y-YZy2442000 mm3
St. Venant Torsional ConstantJ32757000 mm4
Warping Torsion ConstantCw13454000000000 mm6
Self Weight of sectionWeight348 kg/m

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

A W18X234 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 234 lb/ft and has a cross sectional area of 68.6 in2. The height and width of the section are 21.1 in and 11.7 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