Dimensions and section properties for W12X106

Structural sectional properties for a W12X106 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW12X106
Cross Sectional AreaA31.2 in2
Section Widthb12.2 in
Section Depthd12.9 in
Flange thicknesstf0.99 in
Web thicknesstw0.61 in
Radius of Gyration about X-Xrx5.47 in
Radius of Gyrations about Y-Yry3.11 in
Moment of Inertia about X-XIx933 in4
Moment of Intertia about Y-YIy301 in4
Elastic Section Modulus about X-XSx145 in3
Elastic Section Modulus about Y-YSy49.3 in3
Plastic Section Modulus about X-XZx164 in3
Plastic Section Modulus about Y-YZy75.1 in3
St. Venant Torsional ConstantJ9.13 in4
Warping Torsion ConstantCw10700 in6
Self Weight of sectionWeight106 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW12X106
Cross Sectional AreaA20129 mm2
Section Widthb310 mm
Section Depthd328 mm
Flange thicknesstf25.1 mm
Web thicknesstw15.5 mm
Radius of Gyration about X-Xrx139 mm
Radius of Gyrations about Y-Yry79 mm
Moment of Inertia about X-XIx388000000 mm4
Moment of Intertia about Y-YIy125000000 mm4
Elastic Section Modulus about X-XSx2376000 mm3
Elastic Section Modulus about Y-YSy808000 mm3
Plastic Section Modulus about X-XZx2687000 mm3
Plastic Section Modulus about Y-YZy1231000 mm3
St. Venant Torsional ConstantJ3800000 mm4
Warping Torsion ConstantCw2873000000000 mm6
Self Weight of sectionWeight158 kg/m

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

A W12X106 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 106 lb/ft and has a cross sectional area of 31.2 in2. The height and width of the section are 12.9 in and 12.2 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