HSS9×9×5/8 square/rectangular HSS tube

Detailing dimensions and section properties from the AISC Shapes Database, 16th Edition. Values are shown to the nearest 1/16 in. as they appear on a shop drawing.

HSS9×9×5/8 is a square tube 9 in. by 9 in. with a 5/8 in. nominal wall.

At 67.82 lb per foot it is the heaviest of the 7 HSS9×9 sizes, which run from 14.96 to 67.82 lb/ft.

For strong-axis bending its section modulus is Sx = 47.9 in³ and its moment of inertia Ix = 216 in⁴, with a plastic modulus Zx = 58.1 in³.

Detailing dimensions

Depth (Ht)9"
Width (B)9"
Nominal wall (t)5/8"

Section properties

Weight67.82 lb/ft
Area (A)18.7 in²
Ix216 in⁴
Sx47.9 in³
Zx58.1 in³
rx3.4 in
Iy216 in⁴
Sy47.9 in³
Zy58.1 in³
ry3.4 in
J356 in⁴

Other HSS9×9 sizes

Same nominal size, different weight — useful when you are checking a substitution or a lighter section.

HSS9×9×1/8HSS9×9×3/16HSS9×9×1/4HSS9×9×5/16HSS9×9×3/8HSS9×9×1/2

All HSS9×9 sizes and dimensions →

Similar weight HSS shapes

Comparable 67.82 lb/ft sections in other HSS tube sizes.

HSS14×4×5/867.82 lb/ft · Sx 53.3 in³HSS12×6×5/867.82 lb/ft · Sx 53.4 in³HSS10×8×5/867.82 lb/ft · Sx 50.5 in³HSS10.750×0.62567.65 lb/ft · Sx 44.8 in³HSS20×8×3/868.31 lb/ft · Sx 92.6 in³HSS18×10×3/868.31 lb/ft · Sx 91.1 in³HSS16×12×3/868.31 lb/ft · Sx 87.7 in³HSS14×14×3/868.31 lb/ft · Sx 82.5 in³

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 HSS9×9×5/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing