HSS18×18×3/8 square/rectangular HSS tube

HSS18×18×3/8 weighs 88.73 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)18"
Nominal wall (t)3/8"

Section properties

Weight88.73 lb/ft
Area (A)24.3 in²
Ix1250 in⁴
Sx139 in³
Zx160 in³
rx7.18 in
Iy1250 in⁴
Sy139 in³
Zy160 in³
ry7.18 in
J1940 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 HSS18×18×3/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Interactive drawing