CHS 323.8x23.8 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 323.8x23.8 steel profile weighs 176.1 kg/m (118.33 lb/ft). Cross-sectional area: 22,430.972 mm². Moment of inertia Ix = 25,393.665 cm⁴, Iy = 25,393.665 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	23.8 mm	0.94 in
Diameter (d)	323.8 mm	12.75 in
Weight	176.1 kg/m	118.33 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	22,430.97 mm²	34.768 in²
Moment of inertia (Ix)	25,393.67 cm⁴	610.08 in⁴
Moment of inertia (Iy)	25,393.67 cm⁴	610.08 in⁴
Elastic section modulus (Sx)	1,568.48 cm³	95.715 in³
Elastic section modulus (Sy)	1,568.48 cm³	95.715 in³
Plastic section modulus (Zx)	2,146.49 cm³	130.988 in³
Plastic section modulus (Zy)	2,146.49 cm³	130.988 in³
Radius of gyration (rx)	10.64 cm	4.189 in
Radius of gyration (ry)	10.64 cm	4.189 in