CHS 355.6x22.2 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 355.6x22.2 steel profile weighs 182.5 kg/m (122.66 lb/ft). Cross-sectional area: 23,252.435 mm². Moment of inertia Ix = 32,451.215 cm⁴, Iy = 32,451.215 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	22.2 mm	0.87 in
Diameter (d)	355.6 mm	14.00 in
Weight	182.5 kg/m	122.66 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	23,252.44 mm²	36.041 in²
Moment of inertia (Ix)	32,451.21 cm⁴	779.64 in⁴
Moment of inertia (Iy)	32,451.21 cm⁴	779.64 in⁴
Elastic section modulus (Sx)	1,825.15 cm³	111.378 in³
Elastic section modulus (Sy)	1,825.15 cm³	111.378 in³
Plastic section modulus (Zx)	2,471.3 cm³	150.809 in³
Plastic section modulus (Zy)	2,471.3 cm³	150.809 in³
Radius of gyration (rx)	11.81 cm	4.651 in
Radius of gyration (ry)	11.81 cm	4.651 in