Dimensions and section properties for W18X35

Structural sectional properties for a W18X35 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X35
Cross Sectional AreaA10.3 in2
Section Widthb6 in
Section Depthd17.7 in
Flange thicknesstf0.425 in
Web thicknesstw0.3 in
Radius of Gyration about X-Xrx7.04 in
Radius of Gyrations about Y-Yry1.22 in
Moment of Inertia about X-XIx510 in4
Moment of Intertia about Y-YIy15.3 in4
Elastic Section Modulus about X-XSx57.6 in3
Elastic Section Modulus about Y-YSy5.12 in3
Plastic Section Modulus about X-XZx66.5 in3
Plastic Section Modulus about Y-YZy8.06 in3
St. Venant Torsional ConstantJ0.506 in4
Warping Torsion ConstantCw1140 in6
Self Weight of sectionWeight35 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X35
Cross Sectional AreaA6645 mm2
Section Widthb152 mm
Section Depthd450 mm
Flange thicknesstf10.8 mm
Web thicknesstw7.6 mm
Radius of Gyration about X-Xrx179 mm
Radius of Gyrations about Y-Yry31 mm
Moment of Inertia about X-XIx212000000 mm4
Moment of Intertia about Y-YIy6000000 mm4
Elastic Section Modulus about X-XSx944000 mm3
Elastic Section Modulus about Y-YSy84000 mm3
Plastic Section Modulus about X-XZx1090000 mm3
Plastic Section Modulus about Y-YZy132000 mm3
St. Venant Torsional ConstantJ211000 mm4
Warping Torsion ConstantCw306000000000 mm6
Self Weight of sectionWeight52 kg/m

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

A W18X35 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 35 lb/ft and has a cross sectional area of 10.3 in2. The height and width of the section are 17.7 in and 6 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