CHS 323.8x22.2 Açotubo · Weight & Dimensions

Açotubo, cold-formed sections · Circular Hollow Section

Circular Hollow Sections (CHS) are round tubular profiles with the most efficient cross-section for compression. Used for columns, trusses, and architectural structures.

Also known as: Caño estructural redondo (Argentina)

The CHS 323.8x22.2 steel profile weighs 165.1 kg/m (110.96 lb/ft). Cross-sectional area: 21,034.596 mm². Moment of inertia Ix = 24,046.593 cm⁴, Iy = 24,046.593 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	22.2 mm	0.87 in
Diameter (d)	323.8 mm	12.75 in
Weight	165.1 kg/m	110.96 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,034.6 mm²	32.604 in²
Moment of inertia (Ix)	24,046.59 cm⁴	577.72 in⁴
Moment of inertia (Iy)	24,046.59 cm⁴	577.72 in⁴
Elastic section modulus (Sx)	1,485.27 cm³	90.637 in³
Elastic section modulus (Sy)	1,485.27 cm³	90.637 in³
Plastic section modulus (Zx)	2,023.02 cm³	123.453 in³
Plastic section modulus (Zy)	2,023.02 cm³	123.453 in³
Radius of gyration (rx)	10.69 cm	4.209 in
Radius of gyration (ry)	10.69 cm	4.209 in