Dimensions and section properties for W18X283

Structural sectional properties for a W18X283 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X283
Cross Sectional AreaA83.3 in2
Section Widthb11.9 in
Section Depthd21.9 in
Flange thicknesstf2.5 in
Web thicknesstw1.4 in
Radius of Gyration about X-Xrx8.61 in
Radius of Gyrations about Y-Yry2.91 in
Moment of Inertia about X-XIx6170 in4
Moment of Intertia about Y-YIy704 in4
Elastic Section Modulus about X-XSx565 in3
Elastic Section Modulus about Y-YSy118 in3
Plastic Section Modulus about X-XZx676 in3
Plastic Section Modulus about Y-YZy185 in3
St. Venant Torsional ConstantJ134 in4
Warping Torsion ConstantCw65900 in6
Self Weight of sectionWeight283 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X283
Cross Sectional AreaA53742 mm2
Section Widthb302 mm
Section Depthd556 mm
Flange thicknesstf63.5 mm
Web thicknesstw35.6 mm
Radius of Gyration about X-Xrx219 mm
Radius of Gyrations about Y-Yry74 mm
Moment of Inertia about X-XIx2568000000 mm4
Moment of Intertia about Y-YIy293000000 mm4
Elastic Section Modulus about X-XSx9259000 mm3
Elastic Section Modulus about Y-YSy1934000 mm3
Plastic Section Modulus about X-XZx11078000 mm3
Plastic Section Modulus about Y-YZy3032000 mm3
St. Venant Torsional ConstantJ55775000 mm4
Warping Torsion ConstantCw17697000000000 mm6
Self Weight of sectionWeight421 kg/m

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

A W18X283 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 283 lb/ft and has a cross sectional area of 83.3 in2. The height and width of the section are 21.9 in and 11.9 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