W21×248 wide-flange beam

W21×248 weighs 248 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)23 3/4"
Flange width (bf)12 3/4"
Web thickness (tw)1 1/8"
Flange thickness (tf)2"
k (detailing)3 1/4"
Workable gage (g)5 1/2"

Section properties

Weight248 lb/ft
Area (A)73.8 in²
Ix6830 in⁴
Sx576 in³
Zx671 in³
rx9.62 in
Iy699 in⁴
Sy109 in³
Zy170 in³
ry3.08 in
J80.7 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 W21×248 cut, formed, or fabricated? Huntington Steel & Supply Co.

Interactive drawing