HSS22×18×1/2 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.

HSS22×18×1/2 is a rectangular tube 22 in. by 18 in. with a 1/2 in. nominal wall.

At 130.52 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 = 236 in³ and its moment of inertia Ix = 2600 in⁴, with a plastic modulus Zx = 277 in³.

Detailing dimensions

Depth (Ht)22"
Width (B)18"
Nominal wall (t)1/2"

Section properties

Weight130.52 lb/ft
Area (A)35.8 in²
Ix2600 in⁴
Sx236 in³
Zx277 in³
rx8.52 in
Iy1910 in⁴
Sy213 in³
Zy242 in³
ry7.31 in
J3440 in⁴

Other HSS22×18 sizes

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

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

All HSS22×18 sizes and dimensions →

Similar weight HSS shapes

Comparable 130.52 lb/ft sections in other HSS tube sizes.

HSS30×10×1/2130.52 lb/ft · Sx 254 in³HSS24×16×1/2130.52 lb/ft · Sx 244 in³HSS20×20×1/2130.52 lb/ft · Sx 226 in³HSS20×8×3/4130.33 lb/ft · Sx 167 in³HSS16×12×3/4130.33 lb/ft · Sx 159 in³HSS14×14×3/4130.33 lb/ft · Sx 149 in³HSS20.000×0.625129.45 lb/ft · Sx 167 in³HSS22×10×5/8127.37 lb/ft · Sx 191 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 HSS22×18×1/2 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: HSS tube · Steel Beam Size Chart

Interactive drawing