CHS 177.8x3 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 177.8x3 steel profile weighs 12.9 kg/m (8.70 lb/ft). Cross-sectional area: 1,647.451 mm². Moment of inertia Ix = 629.41 cm⁴, Iy = 629.41 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)	177.8 mm	7.00 in
Weight	12.9 kg/m	8.70 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,647.45 mm²	2.554 in²
Moment of inertia (Ix)	629.41 cm⁴	15.12 in⁴
Moment of inertia (Iy)	629.41 cm⁴	15.12 in⁴
Elastic section modulus (Sx)	70.8 cm³	4.320 in³
Elastic section modulus (Sy)	70.8 cm³	4.320 in³
Plastic section modulus (Zx)	91.67 cm³	5.594 in³
Plastic section modulus (Zy)	91.67 cm³	5.594 in³
Radius of gyration (rx)	6.18 cm	2.433 in
Radius of gyration (ry)	6.18 cm	2.433 in