HSS3-1/2×2-1/2×3/16 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.

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

It weighs 6.87 lb per foot.

For strong-axis bending its section modulus is Sx = 1.76 in³ and its moment of inertia Ix = 3.09 in⁴, with a plastic modulus Zx = 2.18 in³.

Detailing dimensions

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

Section properties

Weight6.87 lb/ft
Area (A)1.89 in²
Ix3.09 in⁴
Sx1.76 in³
Zx2.18 in³
rx1.28 in
Iy1.82 in⁴
Sy1.46 in³
Zy1.72 in³
ry0.983 in
J3.78 in⁴

Similar weight HSS shapes

Comparable 6.87 lb/ft sections in other HSS tube sizes.

HSS4×2×3/166.87 lb/ft · Sx 1.83 in³HSS3×3×3/166.87 lb/ft · Sx 1.64 in³HSS2.875×0.2507.02 lb/ft · Sx 1.18 in³HSS3.500×0.1886.66 lb/ft · Sx 1.44 in³HSS3-1/2×1-1/2×1/47.11 lb/ft · Sx 1.46 in³HSS3×2×1/47.11 lb/ft · Sx 1.42 in³HSS2-1/2×2-1/2×1/47.11 lb/ft · Sx 1.3 in³HSS3.500×0.2037.15 lb/ft · Sx 1.54 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 HSS3-1/2×2-1/2×3/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing