CHS 55x4 Condesa · Weight & Dimensions

Condesa, 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 55x4 steel profile weighs 5.0 kg/m (3.38 lb/ft). Cross-sectional area: 640.885 mm². Moment of inertia Ix = 20.965 cm⁴, Iy = 20.965 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	4 mm	0.16 in
Diameter (d)	55 mm	2.17 in
Weight	5.0 kg/m	3.38 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	640.88 mm²	0.993 in²
Moment of inertia (Ix)	20.96 cm⁴	0.50 in⁴
Moment of inertia (Iy)	20.96 cm⁴	0.50 in⁴
Elastic section modulus (Sx)	7.62 cm³	0.465 in³
Elastic section modulus (Sy)	7.62 cm³	0.465 in³
Plastic section modulus (Zx)	10.43 cm³	0.636 in³
Plastic section modulus (Zy)	10.43 cm³	0.636 in³
Radius of gyration (rx)	1.81 cm	0.712 in
Radius of gyration (ry)	1.81 cm	0.712 in