CHS 219.1x22.2 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 219.1x22.2 steel profile weighs 107.8 kg/m (72.44 lb/ft). Cross-sectional area: 13,732.467 mm². Moment of inertia Ix = 6,739.629 cm⁴, Iy = 6,739.629 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	22.2 mm	0.87 in
Diameter (d)	219.1 mm	8.63 in
Weight	107.8 kg/m	72.44 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	13,732.47 mm²	21.285 in²
Moment of inertia (Ix)	6,739.63 cm⁴	161.92 in⁴
Moment of inertia (Iy)	6,739.63 cm⁴	161.92 in⁴
Elastic section modulus (Sx)	615.21 cm³	37.543 in³
Elastic section modulus (Sy)	615.21 cm³	37.543 in³
Plastic section modulus (Zx)	864.33 cm³	52.745 in³
Plastic section modulus (Zy)	864.33 cm³	52.745 in³
Radius of gyration (rx)	7.01 cm	2.758 in
Radius of gyration (ry)	7.01 cm	2.758 in