CHS 177.8x4 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 177.8x4 steel profile weighs 17.1 kg/m (11.50 lb/ft). Cross-sectional area: 2,184.035 mm². Moment of inertia Ix = 825.086 cm⁴, Iy = 825.086 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)	177.8 mm	7.00 in
Weight	17.1 kg/m	11.50 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,184.04 mm²	3.385 in²
Moment of inertia (Ix)	825.09 cm⁴	19.82 in⁴
Moment of inertia (Iy)	825.09 cm⁴	19.82 in⁴
Elastic section modulus (Sx)	92.81 cm³	5.664 in³
Elastic section modulus (Sy)	92.81 cm³	5.664 in³
Plastic section modulus (Zx)	120.85 cm³	7.375 in³
Plastic section modulus (Zy)	120.85 cm³	7.375 in³
Radius of gyration (rx)	6.15 cm	2.420 in
Radius of gyration (ry)	6.15 cm	2.420 in