Dimensions and section properties for W4X13

Structural sectional properties for a W4X13 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW4X13
Cross Sectional AreaA3.83 in2
Section Widthb4.06 in
Section Depthd4.16 in
Flange thicknesstf0.345 in
Web thicknesstw0.28 in
Radius of Gyration about X-Xrx1.72 in
Radius of Gyrations about Y-Yry1 in
Moment of Inertia about X-XIx11.3 in4
Moment of Intertia about Y-YIy3.86 in4
Elastic Section Modulus about X-XSx5.46 in3
Elastic Section Modulus about Y-YSy1.9 in3
Plastic Section Modulus about X-XZx6.28 in3
Plastic Section Modulus about Y-YZy2.92 in3
St. Venant Torsional ConstantJ0.151 in4
Warping Torsion ConstantCw14 in6
Self Weight of sectionWeight13 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW4X13
Cross Sectional AreaA2471 mm2
Section Widthb103 mm
Section Depthd106 mm
Flange thicknesstf8.8 mm
Web thicknesstw7.1 mm
Radius of Gyration about X-Xrx44 mm
Radius of Gyrations about Y-Yry25 mm
Moment of Inertia about X-XIx5000000 mm4
Moment of Intertia about Y-YIy2000000 mm4
Elastic Section Modulus about X-XSx89000 mm3
Elastic Section Modulus about Y-YSy31000 mm3
Plastic Section Modulus about X-XZx103000 mm3
Plastic Section Modulus about Y-YZy48000 mm3
St. Venant Torsional ConstantJ63000 mm4
Warping Torsion ConstantCw4000000000 mm6
Self Weight of sectionWeight19 kg/m

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

A W4X13 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 13 lb/ft and has a cross sectional area of 3.83 in2. The height and width of the section are 4.16 in and 4.06 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