W30×391 wide-flange beam

W30×391 weighs 391 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)33 1/4"
Flange width (bf)15 5/8"
Web thickness (tw)1 3/8"
Flange thickness (tf)2 7/16"
k (detailing)3 3/4"
Workable gage (g)5 1/2"

Section properties

Weight391 lb/ft
Area (A)115 in²
Ix20700 in⁴
Sx1250 in³
Zx1450 in³
rx13.4 in
Iy1550 in⁴
Sy198 in³
Zy310 in³
ry3.67 in
J173 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 W30×391 cut, formed, or fabricated? Huntington Steel & Supply Co.

Interactive drawing