Dimensions and section properties for W16X40

Structural sectional properties for a W16X40 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW16X40
Cross Sectional AreaA11.8 in2
Section Widthb7 in
Section Depthd16 in
Flange thicknesstf0.505 in
Web thicknesstw0.305 in
Radius of Gyration about X-Xrx6.63 in
Radius of Gyrations about Y-Yry1.57 in
Moment of Inertia about X-XIx518 in4
Moment of Intertia about Y-YIy28.9 in4
Elastic Section Modulus about X-XSx64.7 in3
Elastic Section Modulus about Y-YSy8.25 in3
Plastic Section Modulus about X-XZx73 in3
Plastic Section Modulus about Y-YZy12.7 in3
St. Venant Torsional ConstantJ0.794 in4
Warping Torsion ConstantCw1730 in6
Self Weight of sectionWeight40 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW16X40
Cross Sectional AreaA7613 mm2
Section Widthb178 mm
Section Depthd406 mm
Flange thicknesstf12.8 mm
Web thicknesstw7.7 mm
Radius of Gyration about X-Xrx168 mm
Radius of Gyrations about Y-Yry40 mm
Moment of Inertia about X-XIx216000000 mm4
Moment of Intertia about Y-YIy12000000 mm4
Elastic Section Modulus about X-XSx1060000 mm3
Elastic Section Modulus about Y-YSy135000 mm3
Plastic Section Modulus about X-XZx1196000 mm3
Plastic Section Modulus about Y-YZy208000 mm3
St. Venant Torsional ConstantJ330000 mm4
Warping Torsion ConstantCw465000000000 mm6
Self Weight of sectionWeight60 kg/m

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

A W16X40 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 40 lb/ft and has a cross sectional area of 11.8 in2. The height and width of the section are 16 in and 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