CHS 219.1x7.95 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 219.1x7.95 steel profile weighs 41.4 kg/m (27.82 lb/ft). Cross-sectional area: 5,273.611 mm². Moment of inertia Ix = 2,943.171 cm⁴, Iy = 2,943.171 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8.0 mm	0.31 in
Diameter (d)	219.1 mm	8.63 in
Weight	41.4 kg/m	27.82 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,273.61 mm²	8.174 in²
Moment of inertia (Ix)	2,943.17 cm⁴	70.71 in⁴
Moment of inertia (Iy)	2,943.17 cm⁴	70.71 in⁴
Elastic section modulus (Sx)	268.66 cm³	16.395 in³
Elastic section modulus (Sy)	268.66 cm³	16.395 in³
Plastic section modulus (Zx)	354.61 cm³	21.640 in³
Plastic section modulus (Zy)	354.61 cm³	21.640 in³
Radius of gyration (rx)	7.47 cm	2.941 in
Radius of gyration (ry)	7.47 cm	2.941 in