CHS 324x10.3 AHMSA · Weight & Dimensions

AHMSA, 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 324x10.3 steel profile weighs 79.7 kg/m (53.54 lb/ft). Cross-sectional area: 10,150.831 mm². Moment of inertia Ix = 12,499.96 cm⁴, Iy = 12,499.96 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	10.3 mm	0.41 in
Diameter (d)	324 mm	12.76 in
Weight	79.7 kg/m	53.54 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,150.83 mm²	15.734 in²
Moment of inertia (Ix)	12,499.96 cm⁴	300.31 in⁴
Moment of inertia (Iy)	12,499.96 cm⁴	300.31 in⁴
Elastic section modulus (Sx)	771.6 cm³	47.086 in³
Elastic section modulus (Sy)	771.6 cm³	47.086 in³
Plastic section modulus (Zx)	1,013.96 cm³	61.876 in³
Plastic section modulus (Zy)	1,013.96 cm³	61.876 in³
Radius of gyration (rx)	11.1 cm	4.369 in
Radius of gyration (ry)	11.1 cm	4.369 in