CHS 57x2.9 Tecnometal · Weight & Dimensions

Tecnometal, cold-formed sections (Spain) · 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 57x2.9 steel profile weighs 3.9 kg/m (2.60 lb/ft). Cross-sectional area: 492.884 mm². Moment of inertia Ix = 18.084 cm⁴, Iy = 18.084 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2.9 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	2.9 mm	0.11 in
Diameter (d)	57 mm	2.24 in
Weight	3.9 kg/m	2.60 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	492.88 mm²	0.764 in²
Moment of inertia (Ix)	18.08 cm⁴	0.43 in⁴
Moment of inertia (Iy)	18.08 cm⁴	0.43 in⁴
Elastic section modulus (Sx)	6.35 cm³	0.387 in³
Elastic section modulus (Sy)	6.35 cm³	0.387 in³
Plastic section modulus (Zx)	8.5 cm³	0.518 in³
Plastic section modulus (Zy)	8.5 cm³	0.518 in³
Radius of gyration (rx)	1.92 cm	0.754 in
Radius of gyration (ry)	1.92 cm	0.754 in