CHS 114.3x7.9 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 114.3x7.9 steel profile weighs 20.7 kg/m (13.93 lb/ft). Cross-sectional area: 2,640.697 mm². Moment of inertia Ix = 375.75 cm⁴, Iy = 375.75 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	7.9 mm	0.31 in
Diameter (d)	114.3 mm	4.50 in
Weight	20.7 kg/m	13.93 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,640.7 mm²	4.093 in²
Moment of inertia (Ix)	375.75 cm⁴	9.03 in⁴
Moment of inertia (Iy)	375.75 cm⁴	9.03 in⁴
Elastic section modulus (Sx)	65.75 cm³	4.012 in³
Elastic section modulus (Sy)	65.75 cm³	4.012 in³
Plastic section modulus (Zx)	89.6 cm³	5.468 in³
Plastic section modulus (Zy)	89.6 cm³	5.468 in³
Radius of gyration (rx)	3.77 cm	1.485 in
Radius of gyration (ry)	3.77 cm	1.485 in