CHS 57.15x3.2 Acindar · Weight & Dimensions

Acindar, 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 57.15x3.2 steel profile weighs 4.3 kg/m (2.86 lb/ft). Cross-sectional area: 542.365 mm². Moment of inertia Ix = 19.802 cm⁴, Iy = 19.802 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.2 mm ≈ 10 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	3.2 mm	0.13 in
Diameter (d)	57.1 mm	2.25 in
Weight	4.3 kg/m	2.86 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	542.36 mm²	0.841 in²
Moment of inertia (Ix)	19.8 cm⁴	0.48 in⁴
Moment of inertia (Iy)	19.8 cm⁴	0.48 in⁴
Elastic section modulus (Sx)	6.93 cm³	0.423 in³
Elastic section modulus (Sy)	6.93 cm³	0.423 in³
Plastic section modulus (Zx)	9.32 cm³	0.569 in³
Plastic section modulus (Zy)	9.32 cm³	0.569 in³
Radius of gyration (rx)	1.91 cm	0.752 in
Radius of gyration (ry)	1.91 cm	0.752 in