CHS 323.8x27 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 323.8x27 steel profile weighs 197.6 kg/m (132.81 lb/ft). Cross-sectional area: 25,175.467 mm². Moment of inertia Ix = 27,950.823 cm⁴, Iy = 27,950.823 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	27 mm	1.06 in
Diameter (d)	323.8 mm	12.75 in
Weight	197.6 kg/m	132.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	25,175.47 mm²	39.022 in²
Moment of inertia (Ix)	27,950.82 cm⁴	671.52 in⁴
Moment of inertia (Iy)	27,950.82 cm⁴	671.52 in⁴
Elastic section modulus (Sx)	1,726.43 cm³	105.353 in³
Elastic section modulus (Sy)	1,726.43 cm³	105.353 in³
Plastic section modulus (Zx)	2,385 cm³	145.542 in³
Plastic section modulus (Zy)	2,385 cm³	145.542 in³
Radius of gyration (rx)	10.54 cm	4.148 in
Radius of gyration (ry)	10.54 cm	4.148 in