HSS3×2-1/2×5/16 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.

HSS3×2-1/2×5/16 is a rectangular tube 3 in. by 2 1/2 in. with a 5/16 in. nominal wall.

It weighs 9.51 lb per foot.

For strong-axis bending its section modulus is Sx = 1.94 in³ and its moment of inertia Ix = 2.92 in⁴, with a plastic modulus Zx = 2.51 in³.

Detailing dimensions

Depth (Ht)3"
Width (B)2 1/2"
Nominal wall (t)5/16"

Section properties

Weight9.51 lb/ft
Area (A)2.64 in²
Ix2.92 in⁴
Sx1.94 in³
Zx2.51 in³
rx1.05 in
Iy2.18 in⁴
Sy1.74 in³
Zy2.2 in³
ry0.908 in
J4.34 in⁴

Similar weight HSS shapes

Comparable 9.51 lb/ft sections in other HSS tube sizes.

HSS4.000×0.2379.53 lb/ft · Sx 2.34 in³HSS6×2×3/169.42 lb/ft · Sx 3.49 in³HSS5×3×3/169.42 lb/ft · Sx 3.41 in³HSS4×4×3/169.42 lb/ft · Sx 3.1 in³HSS4×2-1/2×1/49.66 lb/ft · Sx 2.66 in³HSS5.000×0.1889.67 lb/ft · Sx 3.08 in³HSS7.000×0.1259.19 lb/ft · Sx 4.25 in³HSS10×2×1/89.86 lb/ft · Sx 5.7 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 HSS3×2-1/2×5/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing