Dimensions and section properties for W27X129

Structural sectional properties for a W27X129 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW27X129
Cross Sectional AreaA37.8 in2
Section Widthb10 in
Section Depthd27.6 in
Flange thicknesstf1.1 in
Web thicknesstw0.61 in
Radius of Gyration about X-Xrx11.2 in
Radius of Gyrations about Y-Yry2.21 in
Moment of Inertia about X-XIx4760 in4
Moment of Intertia about Y-YIy184 in4
Elastic Section Modulus about X-XSx345 in3
Elastic Section Modulus about Y-YSy36.8 in3
Plastic Section Modulus about X-XZx395 in3
Plastic Section Modulus about Y-YZy57.6 in3
St. Venant Torsional ConstantJ11.1 in4
Warping Torsion ConstantCw32500 in6
Self Weight of sectionWeight129 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW27X129
Cross Sectional AreaA24387 mm2
Section Widthb254 mm
Section Depthd701 mm
Flange thicknesstf27.9 mm
Web thicknesstw15.5 mm
Radius of Gyration about X-Xrx284 mm
Radius of Gyrations about Y-Yry56 mm
Moment of Inertia about X-XIx1981000000 mm4
Moment of Intertia about Y-YIy77000000 mm4
Elastic Section Modulus about X-XSx5654000 mm3
Elastic Section Modulus about Y-YSy603000 mm3
Plastic Section Modulus about X-XZx6473000 mm3
Plastic Section Modulus about Y-YZy944000 mm3
St. Venant Torsional ConstantJ4620000 mm4
Warping Torsion ConstantCw8727000000000 mm6
Self Weight of sectionWeight192 kg/m

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

A W27X129 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 129 lb/ft and has a cross sectional area of 37.8 in2. The height and width of the section are 27.6 in and 10 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