CHS 41.27x1.1 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 41.27x1.1 steel profile weighs 1.1 kg/m (0.73 lb/ft). Cross-sectional area: 138.818 mm². Moment of inertia Ix = 2.802 cm⁴, Iy = 2.802 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1.1 mm ≈ 18 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	1.1 mm	0.04 in
Diameter (d)	41.3 mm	1.62 in
Weight	1.1 kg/m	0.73 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	138.82 mm²	0.215 in²
Moment of inertia (Ix)	2.8 cm⁴	0.07 in⁴
Moment of inertia (Iy)	2.8 cm⁴	0.07 in⁴
Elastic section modulus (Sx)	1.36 cm³	0.083 in³
Elastic section modulus (Sy)	1.36 cm³	0.083 in³
Plastic section modulus (Zx)	1.78 cm³	0.108 in³
Plastic section modulus (Zy)	1.78 cm³	0.108 in³
Radius of gyration (rx)	1.42 cm	0.559 in
Radius of gyration (ry)	1.42 cm	0.559 in