CHS 219x23 AHMSA · Weight & Dimensions

AHMSA, 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 219x23 steel profile weighs 111.2 kg/m (74.71 lb/ft). Cross-sectional area: 14,162.3 mm². Moment of inertia Ix = 6,894.385 cm⁴, Iy = 6,894.385 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	23 mm	0.91 in
Diameter (d)	219 mm	8.62 in
Weight	111.2 kg/m	74.71 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	14,162.3 mm²	21.952 in²
Moment of inertia (Ix)	6,894.38 cm⁴	165.64 in⁴
Moment of inertia (Iy)	6,894.38 cm⁴	165.64 in⁴
Elastic section modulus (Sx)	629.62 cm³	38.422 in³
Elastic section modulus (Sy)	629.62 cm³	38.422 in³
Plastic section modulus (Zx)	887.62 cm³	54.166 in³
Plastic section modulus (Zy)	887.62 cm³	54.166 in³
Radius of gyration (rx)	6.98 cm	2.747 in
Radius of gyration (ry)	6.98 cm	2.747 in