CHS 323.8x14.3 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 323.8x14.3 steel profile weighs 109.2 kg/m (73.35 lb/ft). Cross-sectional area: 13,904.218 mm². Moment of inertia Ix = 16,684.147 cm⁴, Iy = 16,684.147 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	14.3 mm	0.56 in
Diameter (d)	323.8 mm	12.75 in
Weight	109.2 kg/m	73.35 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	13,904.22 mm²	21.552 in²
Moment of inertia (Ix)	16,684.15 cm⁴	400.84 in⁴
Moment of inertia (Iy)	16,684.15 cm⁴	400.84 in⁴
Elastic section modulus (Sx)	1,030.52 cm³	62.887 in³
Elastic section modulus (Sy)	1,030.52 cm³	62.887 in³
Plastic section modulus (Zx)	1,370.78 cm³	83.650 in³
Plastic section modulus (Zy)	1,370.78 cm³	83.650 in³
Radius of gyration (rx)	10.95 cm	4.313 in
Radius of gyration (ry)	10.95 cm	4.313 in