CHS 324x17.48 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 324x17.48 steel profile weighs 132.1 kg/m (88.80 lb/ft). Cross-sectional area: 16,832.558 mm². Moment of inertia Ix = 19,832.974 cm⁴, Iy = 19,832.974 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	17.5 mm	0.69 in
Diameter (d)	324 mm	12.76 in
Weight	132.1 kg/m	88.80 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	16,832.56 mm²	26.090 in²
Moment of inertia (Ix)	19,832.97 cm⁴	476.49 in⁴
Moment of inertia (Iy)	19,832.97 cm⁴	476.49 in⁴
Elastic section modulus (Sx)	1,224.26 cm³	74.709 in³
Elastic section modulus (Sy)	1,224.26 cm³	74.709 in³
Plastic section modulus (Zx)	1,644.11 cm³	100.330 in³
Plastic section modulus (Zy)	1,644.11 cm³	100.330 in³
Radius of gyration (rx)	10.85 cm	4.274 in
Radius of gyration (ry)	10.85 cm	4.274 in