CHS 141.3x19.1 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 141.3x19.1 steel profile weighs 57.6 kg/m (38.68 lb/ft). Cross-sectional area: 7,332.54 mm². Moment of inertia Ix = 1,402.133 cm⁴, Iy = 1,402.133 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	19.1 mm	0.75 in
Diameter (d)	141.3 mm	5.56 in
Weight	57.6 kg/m	38.68 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,332.54 mm²	11.365 in²
Moment of inertia (Ix)	1,402.13 cm⁴	33.69 in⁴
Moment of inertia (Iy)	1,402.13 cm⁴	33.69 in⁴
Elastic section modulus (Sx)	198.46 cm³	12.111 in³
Elastic section modulus (Sy)	198.46 cm³	12.111 in³
Plastic section modulus (Zx)	287.54 cm³	17.547 in³
Plastic section modulus (Zy)	287.54 cm³	17.547 in³
Radius of gyration (rx)	4.37 cm	1.722 in
Radius of gyration (ry)	4.37 cm	1.722 in