W8x24 Beam Specifications

W8x24 is a rolled structural beam with wide flanges that is used in construction and other applications.

W8x24 Beam Size and Dimensions

The dimensions and specifications of this structural steel beam are below:

Depth 7.93 in
Width 6.5 in
Area 7.1 in2
Weight 24 lb/ft
Web Thickness 0.25 in
Flange Thickness 0.4 in
Area Moment of Inertia 81.1 in4
Elastic Section Modulus 20 in3

W8x24 Profile

The depth of W8x24 beams may vary by 1/8” above and below the nominal value.

The flange width may vary by 1/4” above nominal and 3/16” below nominal. Flanges may be out of square by as much as 5/16”.

The distance from the center of the web to the center of the profile may be no greater than 3/16”.

The radii of fillets and toes for W-beams are not specified. Instead, these dimensions are left up to individual manufacturers.

W8x24 Weight

Wide flange beams are designated by their depth x weight. The W8x24 designation indicates that the beam weighs 24 pounds per foot. A 10-foot section of W8x24 would weigh 240 pounds and a 50-foot section of W8x24 would weigh 1,200 pounds.

W8x24 Conversion to Metric

The metric equivalent to W8x24 is W200x35.9. This metric beam has the following specifications:

Depth 201 mm
Width 165 mm
Area 45.7 mm2
Weight 35.9 kg/m
Web Thickness 6.2 mm
Flange Thickness 10.2 mm

W8x24 Section Properties

W8x24 Area Moment of Inertia

The area moment of inertia (or second moment area) for a W8x24 beam about the x-axis (perpendicular to the flange) can be calculated from the equation below:

See also  Miles’ Equation: Equivalent Acceleration for Random Vibrations

W8x24 area moment of inertia

The area moment of inertia of the W8x24 profile about the x-axis is approximately 81.1 in4.

W8x24 Section Modulus

The elastic section modulus for a W8x24 beam about the X-axis is calculated from the following equation:

W8x24 Section Modulus

The elastic section modulus for the W8x24 profile about the X-axis is approximately 20 in3.

W8x24 Properties

The properties of W8x24 beams are specified by ASTM A6 “Standard Specifications for Rolled Structural Steel Bars, Plates, Shapes and Sheet Piling