CHS 323.8x25.4 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 323.8x25.4 steel profile weighs 186.9 kg/m (125.61 lb/ft). Cross-sectional area: 23,811.262 mm². Moment of inertia Ix = 26,694.722 cm⁴, Iy = 26,694.722 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	25.4 mm	1.00 in
Diameter (d)	323.8 mm	12.75 in
Weight	186.9 kg/m	125.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	23,811.26 mm²	36.907 in²
Moment of inertia (Ix)	26,694.72 cm⁴	641.34 in⁴
Moment of inertia (Iy)	26,694.72 cm⁴	641.34 in⁴
Elastic section modulus (Sx)	1,648.84 cm³	100.619 in³
Elastic section modulus (Sy)	1,648.84 cm³	100.619 in³
Plastic section modulus (Zx)	2,267.14 cm³	138.350 in³
Plastic section modulus (Zy)	2,267.14 cm³	138.350 in³
Radius of gyration (rx)	10.59 cm	4.169 in
Radius of gyration (ry)	10.59 cm	4.169 in