Dimensions and section properties for W12X305

Structural sectional properties for a W12X305 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW12X305
Cross Sectional AreaA89.5 in2
Section Widthb13.2 in
Section Depthd16.3 in
Flange thicknesstf2.71 in
Web thicknesstw1.63 in
Radius of Gyration about X-Xrx6.29 in
Radius of Gyrations about Y-Yry3.42 in
Moment of Inertia about X-XIx3550 in4
Moment of Intertia about Y-YIy1050 in4
Elastic Section Modulus about X-XSx435 in3
Elastic Section Modulus about Y-YSy159 in3
Plastic Section Modulus about X-XZx537 in3
Plastic Section Modulus about Y-YZy244 in3
St. Venant Torsional ConstantJ185 in4
Warping Torsion ConstantCw48600 in6
Self Weight of sectionWeight305 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW12X305
Cross Sectional AreaA57742 mm2
Section Widthb335 mm
Section Depthd414 mm
Flange thicknesstf68.8 mm
Web thicknesstw41.4 mm
Radius of Gyration about X-Xrx160 mm
Radius of Gyrations about Y-Yry87 mm
Moment of Inertia about X-XIx1478000000 mm4
Moment of Intertia about Y-YIy437000000 mm4
Elastic Section Modulus about X-XSx7128000 mm3
Elastic Section Modulus about Y-YSy2606000 mm3
Plastic Section Modulus about X-XZx8800000 mm3
Plastic Section Modulus about Y-YZy3998000 mm3
St. Venant Torsional ConstantJ77003000 mm4
Warping Torsion ConstantCw13051000000000 mm6
Self Weight of sectionWeight454 kg/m

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

A W12X305 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 305 lb/ft and has a cross sectional area of 89.5 in2. The height and width of the section are 16.3 in and 13.2 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