HSS7×4×3/8 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.

HSS7×4×3/8 is a rectangular tube 7 in. by 4 in. with a 3/8 in. nominal wall.

At 24.93 lb per foot it is one of the 6 HSS7×4 sizes, which run from 9.01 to 31.84 lb/ft.

For strong-axis bending its section modulus is Sx = 11.9 in³ and its moment of inertia Ix = 41.8 in⁴, with a plastic modulus Zx = 15.1 in³.

Detailing dimensions

Depth (Ht)7"
Width (B)4"
Nominal wall (t)3/8"

Section properties

Weight24.93 lb/ft
Area (A)6.88 in²
Ix41.8 in⁴
Sx11.9 in³
Zx15.1 in³
rx2.46 in
Iy17.3 in⁴
Sy8.63 in³
Zy10.2 in³
ry1.58 in
J41 in⁴

Other HSS7×4 sizes

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

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

All HSS7×4 sizes and dimensions →

Similar weight HSS shapes

Comparable 24.93 lb/ft sections in other HSS tube sizes.

HSS8×3×3/824.93 lb/ft · Sx 12.1 in³HSS6×5×3/824.93 lb/ft · Sx 11.3 in³HSS5-1/2×5-1/2×3/824.93 lb/ft · Sx 10.8 in³HSS6×3×1/225.03 lb/ft · Sx 8.95 in³HSS5×4×1/225.03 lb/ft · Sx 8.49 in³HSS4-1/2×4-1/2×1/225.03 lb/ft · Sx 8.03 in³HSS9.625×0.25025.06 lb/ft · Sx 15.8 in³HSS6.625×0.37525.06 lb/ft · Sx 10.3 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 HSS7×4×3/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing