HSS18×8×3/8 square/rectangular HSS tube

HSS18×8×3/8 weighs 63.21 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 (Ht)18"
Width (B)8"
Nominal wall (t)3/8"

Section properties

Weight63.21 lb/ft
Area (A)17.3 in²
Ix711 in⁴
Sx79 in³
Zx98.7 in³
rx6.4 in
Iy202 in⁴
Sy50.5 in³
Zy56.1 in³
ry3.41 in
J510 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 HSS18×8×3/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Interactive drawing