CHS 114.3x6.4 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 114.3x6.4 steel profile weighs 17.0 kg/m (11.44 lb/ft). Cross-sectional area: 2,169.458 mm². Moment of inertia Ix = 316.832 cm⁴, Iy = 316.832 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.4 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	6.4 mm	0.25 in
Diameter (d)	114.3 mm	4.50 in
Weight	17.0 kg/m	11.44 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,169.46 mm²	3.363 in²
Moment of inertia (Ix)	316.83 cm⁴	7.61 in⁴
Moment of inertia (Iy)	316.83 cm⁴	7.61 in⁴
Elastic section modulus (Sx)	55.44 cm³	3.383 in³
Elastic section modulus (Sy)	55.44 cm³	3.383 in³
Plastic section modulus (Zx)	74.6 cm³	4.552 in³
Plastic section modulus (Zy)	74.6 cm³	4.552 in³
Radius of gyration (rx)	3.82 cm	1.505 in
Radius of gyration (ry)	3.82 cm	1.505 in