HSS22×18×3/4 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.

HSS22×18×3/4 is a rectangular tube 22 in. by 18 in. with a 3/4 in. nominal wall.

At 191.58 lb per foot it is the heaviest of the 5 HSS22×18 sizes, which run from 82.88 to 191.58 lb/ft.

For strong-axis bending its section modulus is Sx = 338 in³ and its moment of inertia Ix = 3720 in⁴, with a plastic modulus Zx = 402 in³.

Detailing dimensions

Depth (Ht)22"
Width (B)18"
Nominal wall (t)3/4"

Section properties

Weight191.58 lb/ft
Area (A)52.6 in²
Ix3720 in⁴
Sx338 in³
Zx402 in³
rx8.41 in
Iy2730 in⁴
Sy304 in³
Zy351 in³
ry7.21 in
J5000 in⁴

Other HSS22×18 sizes

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

HSS22×18×5/16HSS22×18×3/8HSS22×18×1/2HSS22×18×5/8

All HSS22×18 sizes and dimensions →

Similar weight HSS shapes

Comparable 191.58 lb/ft sections in other HSS tube sizes.

HSS30×10×3/4191.58 lb/ft · Sx 363 in³HSS24×16×3/4191.58 lb/ft · Sx 350 in³HSS20×20×3/4191.58 lb/ft · Sx 323 in³HSS20×12×1195.4 lb/ft · Sx 274 in³HSS16×16×1195.4 lb/ft · Sx 249 in³HSS24.000×0.750186.41 lb/ft · Sx 289 in³HSS24×12×7/8197.24 lb/ft · Sx 326 in³HSS18×18×7/8197.24 lb/ft · Sx 292 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 HSS22×18×3/4 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing