CHS 324x21.44 IMCA · Weight & Dimensions

IMCA, 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 324x21.44 steel profile weighs 160.0 kg/m (107.51 lb/ft). Cross-sectional area: 20,379.155 mm². Moment of inertia Ix = 23,436.595 cm⁴, Iy = 23,436.595 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	21.4 mm	0.84 in
Diameter (d)	324 mm	12.76 in
Weight	160.0 kg/m	107.51 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	20,379.15 mm²	31.588 in²
Moment of inertia (Ix)	23,436.6 cm⁴	563.06 in⁴
Moment of inertia (Iy)	23,436.6 cm⁴	563.06 in⁴
Elastic section modulus (Sx)	1,446.7 cm³	88.284 in³
Elastic section modulus (Sy)	1,446.7 cm³	88.284 in³
Plastic section modulus (Zx)	1,965.96 cm³	119.971 in³
Plastic section modulus (Zy)	1,965.96 cm³	119.971 in³
Radius of gyration (rx)	10.72 cm	4.222 in
Radius of gyration (ry)	10.72 cm	4.222 in