HSS4×4×5/16 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.

HSS4×4×5/16 is a square tube 4 in. by 4 in. with a 5/16 in. nominal wall.

At 14.83 lb per foot it is one of the 6 HSS4×4 sizes, which run from 6.46 to 21.63 lb/ft.

For strong-axis bending its section modulus is Sx = 4.57 in³ and its moment of inertia Ix = 9.14 in⁴, with a plastic modulus Zx = 5.59 in³.

Detailing dimensions

Depth (Ht)4"
Width (B)4"
Nominal wall (t)5/16"

Section properties

Weight14.83 lb/ft
Area (A)4.1 in²
Ix9.14 in⁴
Sx4.57 in³
Zx5.59 in³
rx1.49 in
Iy9.14 in⁴
Sy4.57 in³
Zy5.59 in³
ry1.49 in
J15.3 in⁴

Other HSS4×4 sizes

Same nominal size, different weight — useful when you are checking a substitution or a lighter section.

HSS4×4×1/8HSS4×4×3/16HSS4×4×1/4HSS4×4×3/8HSS4×4×1/2

All HSS4×4 sizes and dimensions →

Similar weight HSS shapes

Comparable 14.83 lb/ft sections in other HSS tube sizes.

HSS6×2×5/1614.83 lb/ft · Sx 5.11 in³HSS5×3×5/1614.83 lb/ft · Sx 5.03 in³HSS5×2×3/814.72 lb/ft · Sx 4.14 in³HSS4×3×3/814.72 lb/ft · Sx 3.97 in³HSS3-1/2×3-1/2×3/814.72 lb/ft · Sx 3.71 in³HSS7.500×0.18814.7 lb/ft · Sx 7.17 in³HSS9×9×1/814.96 lb/ft · Sx 11.9 in³HSS4.500×0.33715 lb/ft · Sx 4.03 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 HSS4×4×5/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing