HSS7×4×3/16 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.

HSS7×4×3/16 is a rectangular tube 7 in. by 4 in. with a 3/16 in. nominal wall.

At 13.25 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 = 6.81 in³ and its moment of inertia Ix = 23.8 in⁴, with a plastic modulus Zx = 8.33 in³.

Detailing dimensions

Depth (Ht)7"
Width (B)4"
Nominal wall (t)3/16"

Section properties

Weight13.25 lb/ft
Area (A)3.63 in²
Ix23.8 in⁴
Sx6.81 in³
Zx8.33 in³
rx2.56 in
Iy10 in⁴
Sy5.02 in³
Zy5.67 in³
ry1.66 in
J22.7 in⁴

Other HSS7×4 sizes

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

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

All HSS7×4 sizes and dimensions →

Similar weight HSS shapes

Comparable 13.25 lb/ft sections in other HSS tube sizes.

HSS8×3×3/1613.25 lb/ft · Sx 6.94 in³HSS6×5×3/1613.25 lb/ft · Sx 6.44 in³HSS5-1/2×5-1/2×3/1613.25 lb/ft · Sx 6.17 in³HSS8×8×1/813.26 lb/ft · Sx 9.34 in³HSS5.000×0.25813.08 lb/ft · Sx 4.08 in³HSS6.875×0.18813.44 lb/ft · Sx 5.99 in³HSS6.625×0.18812.94 lb/ft · Sx 5.54 in³HSS7.000×0.18813.69 lb/ft · Sx 6.21 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 HSS7×4×3/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing