Dimensions and section properties for W40X331

Structural sectional properties for a W40X331 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW40X331
Cross Sectional AreaA97.7 in2
Section Widthb12.2 in
Section Depthd40.8 in
Flange thicknesstf2.13 in
Web thicknesstw1.22 in
Radius of Gyration about X-Xrx15.9 in
Radius of Gyrations about Y-Yry2.57 in
Moment of Inertia about X-XIx24700 in4
Moment of Intertia about Y-YIy644 in4
Elastic Section Modulus about X-XSx1210 in3
Elastic Section Modulus about Y-YSy106 in3
Plastic Section Modulus about X-XZx1430 in3
Plastic Section Modulus about Y-YZy172 in3
St. Venant Torsional ConstantJ105 in4
Warping Torsion ConstantCw241000 in6
Self Weight of sectionWeight331 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW40X331
Cross Sectional AreaA63032 mm2
Section Widthb310 mm
Section Depthd1036 mm
Flange thicknesstf54.1 mm
Web thicknesstw31 mm
Radius of Gyration about X-Xrx404 mm
Radius of Gyrations about Y-Yry65 mm
Moment of Inertia about X-XIx10281000000 mm4
Moment of Intertia about Y-YIy268000000 mm4
Elastic Section Modulus about X-XSx19828000 mm3
Elastic Section Modulus about Y-YSy1737000 mm3
Plastic Section Modulus about X-XZx23434000 mm3
Plastic Section Modulus about Y-YZy2819000 mm3
St. Venant Torsional ConstantJ43704000 mm4
Warping Torsion ConstantCw64717000000000 mm6
Self Weight of sectionWeight493 kg/m

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

A W40X331 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 331 lb/ft and has a cross sectional area of 97.7 in2. The height and width of the section are 40.8 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