Dimensions and section properties for W30X124

Structural sectional properties for a W30X124 standard steel section

steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW30X124
Cross Sectional AreaA36.5 in2
Section Widthb10.5 in
Section Depthd30.2 in
Flange thicknesstf0.93 in
Web thicknesstw0.585 in
Radius of Gyration about X-Xrx12.1 in
Radius of Gyrations about Y-Yry2.23 in
Moment of Inertia about X-XIx5360 in4
Moment of Intertia about Y-YIy181 in4
Elastic Section Modulus about X-XSx355 in3
Elastic Section Modulus about Y-YSy34.4 in3
Plastic Section Modulus about X-XZx408 in3
Plastic Section Modulus about Y-YZy54 in3
St. Venant Torsional ConstantJ7.99 in4
Warping Torsion ConstantCw38600 in6
Self Weight of sectionWeight124 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW30X124
Cross Sectional AreaA23548 mm2
Section Widthb267 mm
Section Depthd767 mm
Flange thicknesstf23.6 mm
Web thicknesstw14.9 mm
Radius of Gyration about X-Xrx307 mm
Radius of Gyrations about Y-Yry57 mm
Moment of Inertia about X-XIx2231000000 mm4
Moment of Intertia about Y-YIy75000000 mm4
Elastic Section Modulus about X-XSx5817000 mm3
Elastic Section Modulus about Y-YSy564000 mm3
Plastic Section Modulus about X-XZx6686000 mm3
Plastic Section Modulus about Y-YZy885000 mm3
St. Venant Torsional ConstantJ3326000 mm4
Warping Torsion ConstantCw10365000000000 mm6
Self Weight of sectionWeight185 kg/m

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

A W30X124 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 124 lb/ft and has a cross sectional area of 36.5 in2. The height and width of the section are 30.2 in and 10.5 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