Dimensions and section properties for W18X86

Structural sectional properties for a W18X86 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X86
Cross Sectional AreaA25.3 in2
Section Widthb11.1 in
Section Depthd18.4 in
Flange thicknesstf0.77 in
Web thicknesstw0.48 in
Radius of Gyration about X-Xrx7.77 in
Radius of Gyrations about Y-Yry2.63 in
Moment of Inertia about X-XIx1530 in4
Moment of Intertia about Y-YIy175 in4
Elastic Section Modulus about X-XSx166 in3
Elastic Section Modulus about Y-YSy31.6 in3
Plastic Section Modulus about X-XZx186 in3
Plastic Section Modulus about Y-YZy48.4 in3
St. Venant Torsional ConstantJ4.1 in4
Warping Torsion ConstantCw13600 in6
Self Weight of sectionWeight86 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X86
Cross Sectional AreaA16323 mm2
Section Widthb282 mm
Section Depthd467 mm
Flange thicknesstf19.6 mm
Web thicknesstw12.2 mm
Radius of Gyration about X-Xrx197 mm
Radius of Gyrations about Y-Yry67 mm
Moment of Inertia about X-XIx637000000 mm4
Moment of Intertia about Y-YIy73000000 mm4
Elastic Section Modulus about X-XSx2720000 mm3
Elastic Section Modulus about Y-YSy518000 mm3
Plastic Section Modulus about X-XZx3048000 mm3
Plastic Section Modulus about Y-YZy793000 mm3
St. Venant Torsional ConstantJ1707000 mm4
Warping Torsion ConstantCw3652000000000 mm6
Self Weight of sectionWeight128 kg/m

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

A W18X86 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 86 lb/ft and has a cross sectional area of 25.3 in2. The height and width of the section are 18.4 in and 11.1 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