CHS 219.1x11.13 CISC · Weight & Dimensions

CISC, 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 219.1x11.13 steel profile weighs 57.1 kg/m (38.36 lb/ft). Cross-sectional area: 7,271.864 mm². Moment of inertia Ix = 3,942.75 cm⁴, Iy = 3,942.75 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	11.1 mm	0.44 in
Diameter (d)	219.1 mm	8.63 in
Weight	57.1 kg/m	38.36 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,271.86 mm²	11.271 in²
Moment of inertia (Ix)	3,942.75 cm⁴	94.72 in⁴
Moment of inertia (Iy)	3,942.75 cm⁴	94.72 in⁴
Elastic section modulus (Sx)	359.9 cm³	21.963 in³
Elastic section modulus (Sy)	359.9 cm³	21.963 in³
Plastic section modulus (Zx)	481.85 cm³	29.404 in³
Plastic section modulus (Zy)	481.85 cm³	29.404 in³
Radius of gyration (rx)	7.36 cm	2.899 in
Radius of gyration (ry)	7.36 cm	2.899 in