CHS 168.3x22.2 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 168.3x22.2 steel profile weighs 80.0 kg/m (53.75 lb/ft). Cross-sectional area: 10,189.504 mm². Moment of inertia Ix = 2,781.486 cm⁴, Iy = 2,781.486 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	22.2 mm	0.87 in
Diameter (d)	168.3 mm	6.63 in
Weight	80.0 kg/m	53.75 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,189.5 mm²	15.794 in²
Moment of inertia (Ix)	2,781.49 cm⁴	66.83 in⁴
Moment of inertia (Iy)	2,781.49 cm⁴	66.83 in⁴
Elastic section modulus (Sx)	330.54 cm³	20.171 in³
Elastic section modulus (Sy)	330.54 cm³	20.171 in³
Plastic section modulus (Zx)	477.51 cm³	29.140 in³
Plastic section modulus (Zy)	477.51 cm³	29.140 in³
Radius of gyration (rx)	5.22 cm	2.057 in
Radius of gyration (ry)	5.22 cm	2.057 in