Dimensions and section properties for W40X397

Structural sectional properties for a W40X397 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW40X397
Cross Sectional AreaA117 in2
Section Widthb16.1 in
Section Depthd41 in
Flange thicknesstf2.2 in
Web thicknesstw1.22 in
Radius of Gyration about X-Xrx16.6 in
Radius of Gyrations about Y-Yry3.64 in
Moment of Inertia about X-XIx32000 in4
Moment of Intertia about Y-YIy1540 in4
Elastic Section Modulus about X-XSx1560 in3
Elastic Section Modulus about Y-YSy191 in3
Plastic Section Modulus about X-XZx1800 in3
Plastic Section Modulus about Y-YZy300 in3
St. Venant Torsional ConstantJ142 in4
Warping Torsion ConstantCw579000 in6
Self Weight of sectionWeight397 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW40X397
Cross Sectional AreaA75484 mm2
Section Widthb409 mm
Section Depthd1041 mm
Flange thicknesstf55.9 mm
Web thicknesstw31 mm
Radius of Gyration about X-Xrx422 mm
Radius of Gyrations about Y-Yry92 mm
Moment of Inertia about X-XIx13319000000 mm4
Moment of Intertia about Y-YIy641000000 mm4
Elastic Section Modulus about X-XSx25564000 mm3
Elastic Section Modulus about Y-YSy3130000 mm3
Plastic Section Modulus about X-XZx29497000 mm3
Plastic Section Modulus about Y-YZy4916000 mm3
St. Venant Torsional ConstantJ59105000 mm4
Warping Torsion ConstantCw155482000000000 mm6
Self Weight of sectionWeight591 kg/m

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

A W40X397 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 397 lb/ft and has a cross sectional area of 117 in2. The height and width of the section are 41 in and 16.1 in respectively.

The section has a tensile yield capacity of:

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The section has a flexural plastic moment capacity of:

kip-ft

The section has a flexural elastic moment capacity of:

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