HSS9×9×1/4 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.

HSS9×9×1/4 is a square tube 9 in. by 9 in. with a 1/4 in. nominal wall.

At 29.23 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 = 22.7 in³ and its moment of inertia Ix = 102 in⁴, with a plastic modulus Zx = 26.2 in³.

Detailing dimensions

Depth (Ht)9"
Width (B)9"
Nominal wall (t)1/4"

Section properties

Weight29.23 lb/ft
Area (A)8.03 in²
Ix102 in⁴
Sx22.7 in³
Zx26.2 in³
rx3.56 in
Iy102 in⁴
Sy22.7 in³
Zy26.2 in³
ry3.56 in
J159 in⁴

Other HSS9×9 sizes

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

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

All HSS9×9 sizes and dimensions →

Similar weight HSS shapes

Comparable 29.23 lb/ft sections in other HSS tube sizes.

HSS14×4×1/429.23 lb/ft · Sx 25.4 in³HSS12×6×1/429.23 lb/ft · Sx 25.2 in³HSS10×8×1/429.23 lb/ft · Sx 23.8 in³HSS6.000×0.50029.4 lb/ft · Sx 10.4 in³HSS12×3×5/1629.72 lb/ft · Sx 20.7 in³HSS10×5×5/1629.72 lb/ft · Sx 20.8 in³HSS12×12×3/1629.84 lb/ft · Sx 31.5 in³HSS6.625×0.43228.6 lb/ft · Sx 11.5 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 HSS9×9×1/4 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing