CHS 219.1x9.53 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 219.1x9.53 steel profile weighs 49.3 kg/m (33.10 lb/ft). Cross-sectional area: 6,274.395 mm². Moment of inertia Ix = 3,451.734 cm⁴, Iy = 3,451.734 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	9.5 mm	0.38 in
Diameter (d)	219.1 mm	8.63 in
Weight	49.3 kg/m	33.10 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,274.4 mm²	9.725 in²
Moment of inertia (Ix)	3,451.73 cm⁴	82.93 in⁴
Moment of inertia (Iy)	3,451.73 cm⁴	82.93 in⁴
Elastic section modulus (Sx)	315.08 cm³	19.228 in³
Elastic section modulus (Sy)	315.08 cm³	19.228 in³
Plastic section modulus (Zx)	418.84 cm³	25.559 in³
Plastic section modulus (Zy)	418.84 cm³	25.559 in³
Radius of gyration (rx)	7.42 cm	2.920 in
Radius of gyration (ry)	7.42 cm	2.920 in