CHS 50.8x3.2 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 50.8x3.2 steel profile weighs 3.8 kg/m (2.53 lb/ft). Cross-sectional area: 478.527 mm². Moment of inertia Ix = 13.614 cm⁴, Iy = 13.614 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)	50.8 mm	2.00 in
Weight	3.8 kg/m	2.53 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	478.53 mm²	0.742 in²
Moment of inertia (Ix)	13.61 cm⁴	0.33 in⁴
Moment of inertia (Iy)	13.61 cm⁴	0.33 in⁴
Elastic section modulus (Sx)	5.36 cm³	0.327 in³
Elastic section modulus (Sy)	5.36 cm³	0.327 in³
Plastic section modulus (Zx)	7.26 cm³	0.443 in³
Plastic section modulus (Zy)	7.26 cm³	0.443 in³
Radius of gyration (rx)	1.69 cm	0.664 in
Radius of gyration (ry)	1.69 cm	0.664 in