HSS9×9×3/16 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.

HSS9×9×3/16 is a square tube 9 in. by 9 in. with a 3/16 in. nominal wall.

At 22.18 lb per foot it is one 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 = 17.4 in³ and its moment of inertia Ix = 78.2 in⁴, with a plastic modulus Zx = 20 in³.

Detailing dimensions

Depth (Ht)9"
Width (B)9"
Nominal wall (t)3/16"

Section properties

Weight22.18 lb/ft
Area (A)6.06 in²
Ix78.2 in⁴
Sx17.4 in³
Zx20 in³
rx3.59 in
Iy78.2 in⁴
Sy17.4 in³
Zy20 in³
ry3.59 in
J121 in⁴

Other HSS9×9 sizes

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

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

All HSS9×9 sizes and dimensions →

Similar weight HSS shapes

Comparable 22.18 lb/ft sections in other HSS tube sizes.

HSS14×4×3/1622.18 lb/ft · Sx 19.5 in³HSS12×6×3/1622.18 lb/ft · Sx 19.4 in³HSS10×8×3/1622.18 lb/ft · Sx 18.3 in³HSS7.000×0.31222.31 lb/ft · Sx 9.88 in³HSS8×2×3/822.37 lb/ft · Sx 9.56 in³HSS7×3×3/822.37 lb/ft · Sx 9.73 in³HSS6×4×3/822.37 lb/ft · Sx 9.43 in³HSS5×5×3/822.37 lb/ft · Sx 8.68 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 HSS9×9×3/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing