CHS 323.8x10.3 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 323.8x10.3 steel profile weighs 79.6 kg/m (53.51 lb/ft). Cross-sectional area: 10,144.36 mm². Moment of inertia Ix = 12,476.084 cm⁴, Iy = 12,476.084 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	10.3 mm	0.41 in
Diameter (d)	323.8 mm	12.75 in
Weight	79.6 kg/m	53.51 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,144.36 mm²	15.724 in²
Moment of inertia (Ix)	12,476.08 cm⁴	299.74 in⁴
Moment of inertia (Iy)	12,476.08 cm⁴	299.74 in⁴
Elastic section modulus (Sx)	770.6 cm³	47.025 in³
Elastic section modulus (Sy)	770.6 cm³	47.025 in³
Plastic section modulus (Zx)	1,012.67 cm³	61.797 in³
Plastic section modulus (Zy)	1,012.67 cm³	61.797 in³
Radius of gyration (rx)	11.09 cm	4.366 in
Radius of gyration (ry)	11.09 cm	4.366 in