W40×331 wide-flange beam

W40×331 weighs 331 lb per foot. Detailing dimensions and section properties below come from the AISC Shapes Database, 16th Edition. Values are shown to the nearest 1/16 in. as they appear on a shop drawing.

Detailing dimensions

Depth (d)40 3/4"
Flange width (bf)12 1/8"
Web thickness (tw)1 1/4"
Flange thickness (tf)2 1/8"
k (detailing)3 3/8"
Workable gage (g)7 1/2"

Section properties

Weight331 lb/ft
Area (A)97.7 in²
Ix24700 in⁴
Sx1210 in³
Zx1430 in³
rx15.9 in
Iy644 in⁴
Sy106 in³
Zy172 in³
ry2.57 in
J105 in⁴

Detailing values are rounded to the nearest 1/16 in. per the AISC Steel Construction Manual. Verify critical dimensions against the current Manual before fabrication. Need W40×331 cut, formed, or fabricated? Huntington Steel & Supply Co.

Interactive drawing