CHS 219.1x23 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 219.1x23 steel profile weighs 111.2 kg/m (74.75 lb/ft). Cross-sectional area: 14,169.525 mm². Moment of inertia Ix = 6,904.847 cm⁴, Iy = 6,904.847 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	23 mm	0.91 in
Diameter (d)	219.1 mm	8.63 in
Weight	111.2 kg/m	74.75 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	14,169.53 mm²	21.963 in²
Moment of inertia (Ix)	6,904.85 cm⁴	165.89 in⁴
Moment of inertia (Iy)	6,904.85 cm⁴	165.89 in⁴
Elastic section modulus (Sx)	630.29 cm³	38.463 in³
Elastic section modulus (Sy)	630.29 cm³	38.463 in³
Plastic section modulus (Zx)	888.53 cm³	54.221 in³
Plastic section modulus (Zy)	888.53 cm³	54.221 in³
Radius of gyration (rx)	6.98 cm	2.748 in
Radius of gyration (ry)	6.98 cm	2.748 in