CHS 101.6x4.4 Açotubo · Weight & Dimensions

Açotubo, 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 101.6x4.4 steel profile weighs 10.6 kg/m (7.09 lb/ft). Cross-sectional area: 1,343.596 mm². Moment of inertia Ix = 159.001 cm⁴, Iy = 159.001 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.4 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	4.4 mm	0.17 in
Diameter (d)	101.6 mm	4.00 in
Weight	10.6 kg/m	7.09 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,343.6 mm²	2.083 in²
Moment of inertia (Ix)	159 cm⁴	3.82 in⁴
Moment of inertia (Iy)	159 cm⁴	3.82 in⁴
Elastic section modulus (Sx)	31.3 cm³	1.910 in³
Elastic section modulus (Sy)	31.3 cm³	1.910 in³
Plastic section modulus (Zx)	41.6 cm³	2.539 in³
Plastic section modulus (Zy)	41.6 cm³	2.539 in³
Radius of gyration (rx)	3.44 cm	1.354 in
Radius of gyration (ry)	3.44 cm	1.354 in