HSS7×7×3/16 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.

HSS7×7×3/16 is a square tube 7 in. by 7 in. with a 3/16 in. nominal wall.

At 17.08 lb per foot it is one of the 7 HSS7×7 sizes, which run from 11.56 to 50.81 lb/ft.

For strong-axis bending its section modulus is Sx = 10.3 in³ and its moment of inertia Ix = 36 in⁴, with a plastic modulus Zx = 11.9 in³.

Detailing dimensions

Depth (Ht)7"
Width (B)7"
Nominal wall (t)3/16"

Section properties

Weight17.08 lb/ft
Area (A)4.67 in²
Ix36 in⁴
Sx10.3 in³
Zx11.9 in³
rx2.77 in
Iy36 in⁴
Sy10.3 in³
Zy11.9 in³
ry2.77 in
J56.1 in⁴

Other HSS7×7 sizes

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

HSS7×7×1/8HSS7×7×1/4HSS7×7×5/16HSS7×7×3/8HSS7×7×1/2HSS7×7×5/8

All HSS7×7 sizes and dimensions →

Similar weight HSS shapes

Comparable 17.08 lb/ft sections in other HSS tube sizes.

HSS12×2×3/1617.08 lb/ft · Sx 11.2 in³HSS10×4×3/1617.08 lb/ft · Sx 11.6 in³HSS9×5×3/1617.08 lb/ft · Sx 11.4 in³HSS8×6×3/1617.08 lb/ft · Sx 10.9 in³HSS6.625×0.25017.04 lb/ft · Sx 7.22 in³HSS6.000×0.28017.12 lb/ft · Sx 6.45 in³HSS6×3×5/1616.96 lb/ft · Sx 6.69 in³HSS5×4×5/1616.96 lb/ft · Sx 6.32 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 HSS7×7×3/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing