CHS 139.7x3 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 139.7x3 steel profile weighs 10.1 kg/m (6.81 lb/ft). Cross-sectional area: 1,288.367 mm². Moment of inertia Ix = 301.09 cm⁴, Iy = 301.09 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	3 mm	0.12 in
Diameter (d)	139.7 mm	5.50 in
Weight	10.1 kg/m	6.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,288.37 mm²	1.997 in²
Moment of inertia (Ix)	301.09 cm⁴	7.23 in⁴
Moment of inertia (Iy)	301.09 cm⁴	7.23 in⁴
Elastic section modulus (Sx)	43.11 cm³	2.630 in³
Elastic section modulus (Sy)	43.11 cm³	2.630 in³
Plastic section modulus (Zx)	56.07 cm³	3.422 in³
Plastic section modulus (Zy)	56.07 cm³	3.422 in³
Radius of gyration (rx)	4.83 cm	1.903 in
Radius of gyration (ry)	4.83 cm	1.903 in