Dimensions and section properties for W40X149

Structural sectional properties for a W40X149 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW40X149
Cross Sectional AreaA43.8 in2
Section Widthb11.8 in
Section Depthd38.2 in
Flange thicknesstf0.83 in
Web thicknesstw0.63 in
Radius of Gyration about X-Xrx15 in
Radius of Gyrations about Y-Yry2.29 in
Moment of Inertia about X-XIx9800 in4
Moment of Intertia about Y-YIy229 in4
Elastic Section Modulus about X-XSx513 in3
Elastic Section Modulus about Y-YSy38.8 in3
Plastic Section Modulus about X-XZx598 in3
Plastic Section Modulus about Y-YZy62.2 in3
St. Venant Torsional ConstantJ9.36 in4
Warping Torsion ConstantCw80000 in6
Self Weight of sectionWeight149 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW40X149
Cross Sectional AreaA28258 mm2
Section Widthb300 mm
Section Depthd970 mm
Flange thicknesstf21.1 mm
Web thicknesstw16 mm
Radius of Gyration about X-Xrx381 mm
Radius of Gyrations about Y-Yry58 mm
Moment of Inertia about X-XIx4079000000 mm4
Moment of Intertia about Y-YIy95000000 mm4
Elastic Section Modulus about X-XSx8407000 mm3
Elastic Section Modulus about Y-YSy636000 mm3
Plastic Section Modulus about X-XZx9799000 mm3
Plastic Section Modulus about Y-YZy1019000 mm3
St. Venant Torsional ConstantJ3896000 mm4
Warping Torsion ConstantCw21483000000000 mm6
Self Weight of sectionWeight222 kg/m

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

A W40X149 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 149 lb/ft and has a cross sectional area of 43.8 in2. The height and width of the section are 38.2 in and 11.8 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