S18×54.7 standard beam

S18×54.7 weighs 54.7 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)18"
Flange width (bf)6"
Web thickness (tw)7/16"
Flange thickness (tf)11/16"
k (detailing)1 1/2"
Workable gage (g)3 1/2"

Section properties

Weight54.7 lb/ft
Area (A)16 in²
Ix801 in⁴
Sx89 in³
Zx104 in³
rx7.07 in
Iy20.7 in⁴
Sy6.91 in³
Zy12.1 in³
ry1.14 in
J2.33 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 S18×54.7 cut, formed, or fabricated? Huntington Steel & Supply Co.

Interactive drawing