CHS 46.3x7.1 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 46.3x7.1 steel profile weighs 6.9 kg/m (4.61 lb/ft). Cross-sectional area: 874.368 mm². Moment of inertia Ix = 17.346 cm⁴, Iy = 17.346 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	7.1 mm	0.28 in
Diameter (d)	46.3 mm	1.82 in
Weight	6.9 kg/m	4.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	874.37 mm²	1.355 in²
Moment of inertia (Ix)	17.35 cm⁴	0.42 in⁴
Moment of inertia (Iy)	17.35 cm⁴	0.42 in⁴
Elastic section modulus (Sx)	7.49 cm³	0.457 in³
Elastic section modulus (Sy)	7.49 cm³	0.457 in³
Plastic section modulus (Zx)	11.03 cm³	0.673 in³
Plastic section modulus (Zy)	11.03 cm³	0.673 in³
Radius of gyration (rx)	1.41 cm	0.555 in
Radius of gyration (ry)	1.41 cm	0.555 in