Dimensions and section properties for W18X46

Structural sectional properties for a W18X46 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X46
Cross Sectional AreaA13.5 in2
Section Widthb6.06 in
Section Depthd18.1 in
Flange thicknesstf0.605 in
Web thicknesstw0.36 in
Radius of Gyration about X-Xrx7.25 in
Radius of Gyrations about Y-Yry1.29 in
Moment of Inertia about X-XIx712 in4
Moment of Intertia about Y-YIy22.5 in4
Elastic Section Modulus about X-XSx78.8 in3
Elastic Section Modulus about Y-YSy7.43 in3
Plastic Section Modulus about X-XZx90.7 in3
Plastic Section Modulus about Y-YZy11.7 in3
St. Venant Torsional ConstantJ1.22 in4
Warping Torsion ConstantCw1720 in6
Self Weight of sectionWeight46 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW18X46
Cross Sectional AreaA8710 mm2
Section Widthb154 mm
Section Depthd460 mm
Flange thicknesstf15.4 mm
Web thicknesstw9.1 mm
Radius of Gyration about X-Xrx184 mm
Radius of Gyrations about Y-Yry33 mm
Moment of Inertia about X-XIx296000000 mm4
Moment of Intertia about Y-YIy9000000 mm4
Elastic Section Modulus about X-XSx1291000 mm3
Elastic Section Modulus about Y-YSy122000 mm3
Plastic Section Modulus about X-XZx1486000 mm3
Plastic Section Modulus about Y-YZy192000 mm3
St. Venant Torsional ConstantJ508000 mm4
Warping Torsion ConstantCw462000000000 mm6
Self Weight of sectionWeight68 kg/m

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

A W18X46 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 46 lb/ft and has a cross sectional area of 13.5 in2. The height and width of the section are 18.1 in and 6.06 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