HSS2-1/2×2-1/2×5/16 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.

HSS2-1/2×2-1/2×5/16 is a square tube 2 1/2 in. by 2 1/2 in. with a 5/16 in. nominal wall.

It weighs 8.45 lb per foot.

For strong-axis bending its section modulus is Sx = 1.46 in³ and its moment of inertia Ix = 1.82 in⁴, with a plastic modulus Zx = 1.88 in³.

Detailing dimensions

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

Section properties

Weight8.45 lb/ft
Area (A)2.35 in²
Ix1.82 in⁴
Sx1.46 in³
Zx1.88 in³
rx0.88 in
Iy1.82 in⁴
Sy1.46 in³
Zy1.88 in³
ry0.88 in
J3.2 in⁴

Similar weight HSS shapes

Comparable 8.45 lb/ft sections in other HSS tube sizes.

HSS3×2×5/168.45 lb/ft · Sx 1.59 in³HSS4.500×0.1888.67 lb/ft · Sx 2.46 in³HSS6.625×0.1258.69 lb/ft · Sx 3.79 in³HSS3.500×0.2508.69 lb/ft · Sx 1.83 in³HSS8×2×1/88.16 lb/ft · Sx 3.93 in³HSS7×3×1/88.16 lb/ft · Sx 3.95 in³HSS6×4×1/88.16 lb/ft · Sx 3.81 in³HSS5×5×1/88.16 lb/ft · Sx 3.52 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 HSS2-1/2×2-1/2×5/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing