HSS4-1/2×4-1/2×5/16 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.

HSS4-1/2×4-1/2×5/16 is a square tube 4 1/2 in. by 4 1/2 in. with a 5/16 in. nominal wall.

It weighs 16.96 lb per foot.

For strong-axis bending its section modulus is Sx = 6 in³ and its moment of inertia Ix = 13.5 in⁴, with a plastic modulus Zx = 7.27 in³.

Detailing dimensions

Depth (Ht)4 1/2"
Width (B)4 1/2"
Nominal wall (t)5/16"

Section properties

Weight16.96 lb/ft
Area (A)4.68 in²
Ix13.5 in⁴
Sx6 in³
Zx7.27 in³
rx1.7 in
Iy13.5 in⁴
Sy6 in³
Zy7.27 in³
ry1.7 in
J22.3 in⁴

Similar weight HSS shapes

Comparable 16.96 lb/ft sections in other HSS tube sizes.

HSS6×3×5/1616.96 lb/ft · Sx 6.69 in³HSS5×4×5/1616.96 lb/ft · Sx 6.32 in³HSS8.625×0.18816.96 lb/ft · Sx 9.57 in³HSS6.625×0.25017.04 lb/ft · Sx 7.22 in³HSS12×2×3/1617.08 lb/ft · Sx 11.2 in³HSS10×4×3/1617.08 lb/ft · Sx 11.6 in³HSS9×5×3/1617.08 lb/ft · Sx 11.4 in³HSS8×6×3/1617.08 lb/ft · Sx 10.9 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 HSS4-1/2×4-1/2×5/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing