HSS4-1/2×4-1/2×3/8 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.

HSS4-1/2×4-1/2×3/8 is a square tube 4 1/2 in. by 4 1/2 in. with a 3/8 in. nominal wall.

It weighs 19.82 lb per foot.

For strong-axis bending its section modulus is Sx = 6.79 in³ and its moment of inertia Ix = 15.3 in⁴, with a plastic modulus Zx = 8.36 in³.

Detailing dimensions

Depth (Ht)4 1/2"
Width (B)4 1/2"
Nominal wall (t)3/8"

Section properties

Weight19.82 lb/ft
Area (A)5.48 in²
Ix15.3 in⁴
Sx6.79 in³
Zx8.36 in³
rx1.67 in
Iy15.3 in⁴
Sy6.79 in³
Zy8.36 in³
ry1.67 in
J25.7 in⁴

Similar weight HSS shapes

Comparable 19.82 lb/ft sections in other HSS tube sizes.

HSS6×3×3/819.82 lb/ft · Sx 7.57 in³HSS5×4×3/819.82 lb/ft · Sx 7.17 in³HSS10.000×0.18819.72 lb/ft · Sx 13 in³HSS12×4×3/1619.63 lb/ft · Sx 15.3 in³HSS10×6×3/1619.63 lb/ft · Sx 14.9 in³HSS9×7×3/1619.63 lb/ft · Sx 14.4 in³HSS8×8×3/1619.63 lb/ft · Sx 13.6 in³HSS7.500×0.25019.38 lb/ft · Sx 9.37 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 HSS4-1/2×4-1/2×3/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing