Dimensions and section properties for W12X87

Structural sectional properties for a W12X87 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW12X87
Cross Sectional AreaA25.6 in2
Section Widthb12.1 in
Section Depthd12.5 in
Flange thicknesstf0.81 in
Web thicknesstw0.515 in
Radius of Gyration about X-Xrx5.38 in
Radius of Gyrations about Y-Yry3.07 in
Moment of Inertia about X-XIx740 in4
Moment of Intertia about Y-YIy241 in4
Elastic Section Modulus about X-XSx118 in3
Elastic Section Modulus about Y-YSy39.7 in3
Plastic Section Modulus about X-XZx132 in3
Plastic Section Modulus about Y-YZy60.4 in3
St. Venant Torsional ConstantJ5.1 in4
Warping Torsion ConstantCw8270 in6
Self Weight of sectionWeight87 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW12X87
Cross Sectional AreaA16516 mm2
Section Widthb307 mm
Section Depthd318 mm
Flange thicknesstf20.6 mm
Web thicknesstw13.1 mm
Radius of Gyration about X-Xrx137 mm
Radius of Gyrations about Y-Yry78 mm
Moment of Inertia about X-XIx308000000 mm4
Moment of Intertia about Y-YIy100000000 mm4
Elastic Section Modulus about X-XSx1934000 mm3
Elastic Section Modulus about Y-YSy651000 mm3
Plastic Section Modulus about X-XZx2163000 mm3
Plastic Section Modulus about Y-YZy990000 mm3
St. Venant Torsional ConstantJ2123000 mm4
Warping Torsion ConstantCw2221000000000 mm6
Self Weight of sectionWeight129 kg/m

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

A W12X87 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 87 lb/ft and has a cross sectional area of 25.6 in2. The height and width of the section are 12.5 in and 12.1 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