CHS 219.1x9.5 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 219.1x9.5 steel profile weighs 49.1 kg/m (33.00 lb/ft). Cross-sectional area: 6,255.539 mm². Moment of inertia Ix = 3,442.299 cm⁴, Iy = 3,442.299 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	9.5 mm	0.37 in
Diameter (d)	219.1 mm	8.63 in
Weight	49.1 kg/m	33.00 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,255.54 mm²	9.696 in²
Moment of inertia (Ix)	3,442.3 cm⁴	82.70 in⁴
Moment of inertia (Iy)	3,442.3 cm⁴	82.70 in⁴
Elastic section modulus (Sx)	314.22 cm³	19.175 in³
Elastic section modulus (Sy)	314.22 cm³	19.175 in³
Plastic section modulus (Zx)	417.64 cm³	25.486 in³
Plastic section modulus (Zy)	417.64 cm³	25.486 in³
Radius of gyration (rx)	7.42 cm	2.921 in
Radius of gyration (ry)	7.42 cm	2.921 in