HSS22×18×5/8 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.

HSS22×18×5/8 is a rectangular tube 22 in. by 18 in. with a 5/8 in. nominal wall.

At 161.4 lb per foot it is one 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 = 288 in³ and its moment of inertia Ix = 3170 in⁴, with a plastic modulus Zx = 341 in³.

Detailing dimensions

Depth (Ht)22"
Width (B)18"
Nominal wall (t)5/8"

Section properties

Weight161.4 lb/ft
Area (A)44.3 in²
Ix3170 in⁴
Sx288 in³
Zx341 in³
rx8.47 in
Iy2330 in⁴
Sy259 in³
Zy297 in³
ry7.26 in
J4230 in⁴

Other HSS22×18 sizes

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

HSS22×18×5/16HSS22×18×3/8HSS22×18×1/2HSS22×18×3/4

All HSS22×18 sizes and dimensions →

Similar weight HSS shapes

Comparable 161.4 lb/ft sections in other HSS tube sizes.

HSS30×10×5/8161.4 lb/ft · Sx 310 in³HSS24×16×5/8161.4 lb/ft · Sx 298 in³HSS20×20×5/8161.4 lb/ft · Sx 275 in³HSS16.000×1.000160.35 lb/ft · Sx 157 in³HSS18.000×0.875160.19 lb/ft · Sx 181 in³HSS24.000×0.625156.18 lb/ft · Sx 244 in³HSS20×8×1168.18 lb/ft · Sx 206 in³HSS16×12×1168.18 lb/ft · Sx 196 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 HSS22×18×5/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing