CHS 324x25.4 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 324x25.4 steel profile weighs 187.0 kg/m (125.69 lb/ft). Cross-sectional area: 23,827.221 mm². Moment of inertia Ix = 26,748.176 cm⁴, Iy = 26,748.176 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	25.4 mm	1.00 in
Diameter (d)	324 mm	12.76 in
Weight	187.0 kg/m	125.69 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	23,827.22 mm²	36.932 in²
Moment of inertia (Ix)	26,748.18 cm⁴	642.62 in⁴
Moment of inertia (Iy)	26,748.18 cm⁴	642.62 in⁴
Elastic section modulus (Sx)	1,651.12 cm³	100.758 in³
Elastic section modulus (Sy)	1,651.12 cm³	100.758 in³
Plastic section modulus (Zx)	2,270.18 cm³	138.535 in³
Plastic section modulus (Zy)	2,270.18 cm³	138.535 in³
Radius of gyration (rx)	10.6 cm	4.171 in
Radius of gyration (ry)	10.6 cm	4.171 in