HSS9×9×1/2 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.

HSS9×9×1/2 is a square tube 9 in. by 9 in. with a 1/2 in. nominal wall.

At 55.66 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 = 40.6 in³ and its moment of inertia Ix = 183 in⁴, with a plastic modulus Zx = 48.4 in³.

Detailing dimensions

Depth (Ht)9"
Width (B)9"
Nominal wall (t)1/2"

Section properties

Weight55.66 lb/ft
Area (A)15.3 in²
Ix183 in⁴
Sx40.6 in³
Zx48.4 in³
rx3.45 in
Iy183 in⁴
Sy40.6 in³
Zy48.4 in³
ry3.45 in
J296 in⁴

Other HSS9×9 sizes

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

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

All HSS9×9 sizes and dimensions →

Similar weight HSS shapes

Comparable 55.66 lb/ft sections in other HSS tube sizes.

HSS14×4×1/255.66 lb/ft · Sx 45.3 in³HSS12×6×1/255.66 lb/ft · Sx 45.2 in³HSS10×8×1/255.66 lb/ft · Sx 42.7 in³HSS10.750×0.50054.79 lb/ft · Sx 37 in³HSS14.000×0.37554.62 lb/ft · Sx 49.8 in³HSS20×8×5/1657.36 lb/ft · Sx 78.6 in³HSS18×10×5/1657.36 lb/ft · Sx 77.2 in³HSS16×12×5/1657.36 lb/ft · Sx 74.4 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 HSS9×9×1/2 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing