HSS7×7×5/8 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.

HSS7×7×5/8 is a square tube 7 in. by 7 in. with a 5/8 in. nominal wall.

At 50.81 lb per foot it is the heaviest 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 = 26.7 in³ and its moment of inertia Ix = 93.4 in⁴, with a plastic modulus Zx = 33.1 in³.

Detailing dimensions

Depth (Ht)7"
Width (B)7"
Nominal wall (t)5/8"

Section properties

Weight50.81 lb/ft
Area (A)14 in²
Ix93.4 in⁴
Sx26.7 in³
Zx33.1 in³
rx2.58 in
Iy93.4 in⁴
Sy26.7 in³
Zy33.1 in³
ry2.58 in
J158 in⁴

Other HSS7×7 sizes

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

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

All HSS7×7 sizes and dimensions →

Similar weight HSS shapes

Comparable 50.81 lb/ft sections in other HSS tube sizes.

HSS10×4×5/850.81 lb/ft · Sx 29.9 in³HSS9×5×5/850.81 lb/ft · Sx 29.6 in³HSS8×6×5/850.81 lb/ft · Sx 28.5 in³HSS10.000×0.50050.78 lb/ft · Sx 31.7 in³HSS12.750×0.37549.61 lb/ft · Sx 41 in³HSS13.375×0.37552.11 lb/ft · Sx 45.3 in³HSS16.000×0.31252.32 lb/ft · Sx 55.4 in³HSS20×4×5/1648.86 lb/ft · Sx 56 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 HSS7×7×5/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing