HSS4-1/2×4-1/2×1/2 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.

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

It weighs 25.03 lb per foot.

For strong-axis bending its section modulus is Sx = 8.03 in³ and its moment of inertia Ix = 18.1 in⁴, with a plastic modulus Zx = 10.2 in³.

Detailing dimensions

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

Section properties

Weight25.03 lb/ft
Area (A)6.95 in²
Ix18.1 in⁴
Sx8.03 in³
Zx10.2 in³
rx1.61 in
Iy18.1 in⁴
Sy8.03 in³
Zy10.2 in³
ry1.61 in
J31.3 in⁴

Similar weight HSS shapes

Comparable 25.03 lb/ft sections in other HSS tube sizes.

HSS6×3×1/225.03 lb/ft · Sx 8.95 in³HSS5×4×1/225.03 lb/ft · Sx 8.49 in³HSS9.625×0.25025.06 lb/ft · Sx 15.8 in³HSS6.625×0.37525.06 lb/ft · Sx 10.3 in³HSS8×3×3/824.93 lb/ft · Sx 12.1 in³HSS7×4×3/824.93 lb/ft · Sx 11.9 in³HSS6×5×3/824.93 lb/ft · Sx 11.3 in³HSS5-1/2×5-1/2×3/824.93 lb/ft · Sx 10.8 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 HSS4-1/2×4-1/2×1/2 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing