W36×318 wide-flange beam

W36×318 weighs 318 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)38 1/4"
Flange width (bf)12 3/8"
Web thickness (tw)1 3/16"
Flange thickness (tf)2 1/8"
k (detailing)3 3/8"
Workable gage (g)5 1/2"

Section properties

Weight318 lb/ft
Area (A)93.4 in²
Ix21200 in⁴
Sx1110 in³
Zx1300 in³
rx15.1 in
Iy682 in⁴
Sy110 in³
Zy176 in³
ry2.7 in
J98.3 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 W36×318 cut, formed, or fabricated? Huntington Steel & Supply Co.

Interactive drawing