HSS8×8×1/2 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.

HSS8×8×1/2 is a square tube 8 in. by 8 in. with a 1/2 in. nominal wall.

At 48.85 lb per foot it is one of the 7 HSS8×8 sizes, which run from 13.26 to 59.32 lb/ft.

For strong-axis bending its section modulus is Sx = 31.2 in³ and its moment of inertia Ix = 125 in⁴, with a plastic modulus Zx = 37.5 in³.

Detailing dimensions

Depth (Ht)8"
Width (B)8"
Nominal wall (t)1/2"

Section properties

Weight48.85 lb/ft
Area (A)13.5 in²
Ix125 in⁴
Sx31.2 in³
Zx37.5 in³
rx3.04 in
Iy125 in⁴
Sy31.2 in³
Zy37.5 in³
ry3.04 in
J204 in⁴

Other HSS8×8 sizes

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

HSS8×8×1/8HSS8×8×3/16HSS8×8×1/4HSS8×8×5/16HSS8×8×3/8HSS8×8×5/8

All HSS8×8 sizes and dimensions →

Similar weight HSS shapes

Comparable 48.85 lb/ft sections in other HSS tube sizes.

HSS12×4×1/248.85 lb/ft · Sx 34.9 in³HSS10×6×1/248.85 lb/ft · Sx 34.3 in³HSS9×7×1/248.85 lb/ft · Sx 33 in³HSS20×4×5/1648.86 lb/ft · Sx 56 in³HSS18×6×5/1648.86 lb/ft · Sx 57 in³HSS16×8×5/1648.86 lb/ft · Sx 56.4 in³HSS14×10×5/1648.86 lb/ft · Sx 54.3 in³HSS12×12×5/1648.86 lb/ft · Sx 50.7 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 HSS8×8×1/2 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing