HSS4×4×3/8 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.

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

At 17.27 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 = 5.13 in³ and its moment of inertia Ix = 10.3 in⁴, with a plastic modulus Zx = 6.39 in³.

Detailing dimensions

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

Section properties

Weight17.27 lb/ft
Area (A)4.78 in²
Ix10.3 in⁴
Sx5.13 in³
Zx6.39 in³
rx1.47 in
Iy10.3 in⁴
Sy5.13 in³
Zy6.39 in³
ry1.47 in
J17.5 in⁴

Other HSS4×4 sizes

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

HSS4×4×1/8HSS4×4×3/16HSS4×4×1/4HSS4×4×5/16HSS4×4×1/2

All HSS4×4 sizes and dimensions →

Similar weight HSS shapes

Comparable 17.27 lb/ft sections in other HSS tube sizes.

HSS6×2×3/817.27 lb/ft · Sx 5.71 in³HSS5×3×3/817.27 lb/ft · Sx 5.65 in³HSS8×3×1/417.32 lb/ft · Sx 8.88 in³HSS7×4×1/417.32 lb/ft · Sx 8.72 in³HSS6×5×1/417.32 lb/ft · Sx 8.25 in³HSS5-1/2×5-1/2×1/417.32 lb/ft · Sx 7.9 in³HSS6.000×0.28017.12 lb/ft · Sx 6.45 in³HSS12×2×3/1617.08 lb/ft · Sx 11.2 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 HSS4×4×3/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing