Dimensions and section properties for W21X182

Structural sectional properties for a W21X182 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW21X182
Cross Sectional AreaA53.6 in2
Section Widthb12.5 in
Section Depthd22.7 in
Flange thicknesstf1.48 in
Web thicknesstw0.83 in
Radius of Gyration about X-Xrx9.4 in
Radius of Gyrations about Y-Yry3 in
Moment of Inertia about X-XIx4730 in4
Moment of Intertia about Y-YIy483 in4
Elastic Section Modulus about X-XSx417 in3
Elastic Section Modulus about Y-YSy77.2 in3
Plastic Section Modulus about X-XZx476 in3
Plastic Section Modulus about Y-YZy119 in3
St. Venant Torsional ConstantJ30.7 in4
Warping Torsion ConstantCw54400 in6
Self Weight of sectionWeight182 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW21X182
Cross Sectional AreaA34581 mm2
Section Widthb318 mm
Section Depthd577 mm
Flange thicknesstf37.6 mm
Web thicknesstw21.1 mm
Radius of Gyration about X-Xrx239 mm
Radius of Gyrations about Y-Yry76 mm
Moment of Inertia about X-XIx1969000000 mm4
Moment of Intertia about Y-YIy201000000 mm4
Elastic Section Modulus about X-XSx6833000 mm3
Elastic Section Modulus about Y-YSy1265000 mm3
Plastic Section Modulus about X-XZx7800000 mm3
Plastic Section Modulus about Y-YZy1950000 mm3
St. Venant Torsional ConstantJ12778000 mm4
Warping Torsion ConstantCw14608000000000 mm6
Self Weight of sectionWeight271 kg/m

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

A W21X182 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 182 lb/ft and has a cross sectional area of 53.6 in2. The height and width of the section are 22.7 in and 12.5 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