W40×397 wide-flange beam

W40×397 weighs 397 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)41"
Flange width (bf)16 1/8"
Web thickness (tw)1 1/4"
Flange thickness (tf)2 3/16"
k (detailing)3 1/2"
Workable gage (g)7 1/2"

Section properties

Weight397 lb/ft
Area (A)117 in²
Ix32000 in⁴
Sx1560 in³
Zx1800 in³
rx16.6 in
Iy1540 in⁴
Sy191 in³
Zy300 in³
ry3.64 in
J142 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 W40×397 cut, formed, or fabricated? Huntington Steel & Supply Co.

Interactive drawing