W6x15 is a rolled structural beam with wide flanges that is used in construction and other applications.
W6x15 Beam Size and Dimensions
The dimensions and specifications of this structural steel beam are below:
| Depth | 5.99 in |
| Width | 5.99 in |
| Area | 4.4 in2 |
| Weight | 15 lb/ft |
| Web Thickness | 0.23 in |
| Flange Thickness | 0.26 in |
| Area Moment of Inertia | 28.7 in4 |
| Elastic Section Modulus | 10 in3 |
W6x15 Profile
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The depth of W6x15 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.
W6x15 Weight
Wide flange beams are designated by their depth x weight. The W6x15 designation indicates that the beam weighs 15 pounds per foot. A 10-foot section of W6x15 would weigh 150 pounds and a 50-foot section of W6x15 would weigh 750 pounds.
W6x15 Conversion to Metric
The metric equivalent to W6x15 is W150x22.5. This metric beam has the following specifications:
| Depth | 152 mm |
| Width | 152 mm |
| Area | 2860 mm2 |
| Weight | 22.5 kg/m |
| Web Thickness | 5.8 mm |
| Flange Thickness | 6.6 mm |
W6x15 Section Properties
W6x15 Area Moment of Inertia
The area moment of inertia (or second moment area) for a W6x15 beam about the x-axis (perpendicular to the flange) can be calculated from the equation below:
The area moment of inertia of the W6x15 profile about the x-axis is approximately 28.7 in4.
W6x15 Section Modulus
The elastic section modulus for a W6x15 beam about the X-axis is calculated from the following equation:
The elastic section modulus for the W6x15 profile about the X-axis is approximately 10 in3.
W6x15 Properties
The properties of W6x15 beams are specified by ASTM A6 “Standard Specifications for Rolled Structural Steel Bars, Plates, Shapes and Sheet Piling”
