Dimensions and section properties for W33X318

Structural sectional properties for a W33X318 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW33X318
Cross Sectional AreaA93.7 in2
Section Widthb16 in
Section Depthd35.2 in
Flange thicknesstf1.89 in
Web thicknesstw1.04 in
Radius of Gyration about X-Xrx14.5 in
Radius of Gyrations about Y-Yry3.71 in
Moment of Inertia about X-XIx19500 in4
Moment of Intertia about Y-YIy1290 in4
Elastic Section Modulus about X-XSx1110 in3
Elastic Section Modulus about Y-YSy161 in3
Plastic Section Modulus about X-XZx1270 in3
Plastic Section Modulus about Y-YZy250 in3
St. Venant Torsional ConstantJ84.4 in4
Warping Torsion ConstantCw357000 in6
Self Weight of sectionWeight318 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW33X318
Cross Sectional AreaA60451 mm2
Section Widthb406 mm
Section Depthd894 mm
Flange thicknesstf48 mm
Web thicknesstw26.4 mm
Radius of Gyration about X-Xrx368 mm
Radius of Gyrations about Y-Yry94 mm
Moment of Inertia about X-XIx8117000000 mm4
Moment of Intertia about Y-YIy537000000 mm4
Elastic Section Modulus about X-XSx18190000 mm3
Elastic Section Modulus about Y-YSy2638000 mm3
Plastic Section Modulus about X-XZx20812000 mm3
Plastic Section Modulus about Y-YZy4097000 mm3
St. Venant Torsional ConstantJ35130000 mm4
Warping Torsion ConstantCw95867000000000 mm6
Self Weight of sectionWeight473 kg/m

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

A W33X318 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 318 lb/ft and has a cross sectional area of 93.7 in2. The height and width of the section are 35.2 in and 16 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