Dimensions and section properties for W21X132

Structural sectional properties for a W21X132 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW21X132
Cross Sectional AreaA38.8 in2
Section Widthb12.4 in
Section Depthd21.8 in
Flange thicknesstf1.04 in
Web thicknesstw0.65 in
Radius of Gyration about X-Xrx9.12 in
Radius of Gyrations about Y-Yry2.93 in
Moment of Inertia about X-XIx3220 in4
Moment of Intertia about Y-YIy333 in4
Elastic Section Modulus about X-XSx295 in3
Elastic Section Modulus about Y-YSy53.5 in3
Plastic Section Modulus about X-XZx333 in3
Plastic Section Modulus about Y-YZy82.3 in3
St. Venant Torsional ConstantJ11.3 in4
Warping Torsion ConstantCw36000 in6
Self Weight of sectionWeight132 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW21X132
Cross Sectional AreaA25032 mm2
Section Widthb315 mm
Section Depthd554 mm
Flange thicknesstf26.4 mm
Web thicknesstw16.5 mm
Radius of Gyration about X-Xrx232 mm
Radius of Gyrations about Y-Yry74 mm
Moment of Inertia about X-XIx1340000000 mm4
Moment of Intertia about Y-YIy139000000 mm4
Elastic Section Modulus about X-XSx4834000 mm3
Elastic Section Modulus about Y-YSy877000 mm3
Plastic Section Modulus about X-XZx5457000 mm3
Plastic Section Modulus about Y-YZy1349000 mm3
St. Venant Torsional ConstantJ4703000 mm4
Warping Torsion ConstantCw9667000000000 mm6
Self Weight of sectionWeight196 kg/m

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

A W21X132 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 132 lb/ft and has a cross sectional area of 38.8 in2. The height and width of the section are 21.8 in and 12.4 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