CHS 356x23.8 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 356x23.8 steel profile weighs 195.0 kg/m (131.03 lb/ft). Cross-sectional area: 24,838.562 mm². Moment of inertia Ix = 34,439.685 cm⁴, Iy = 34,439.685 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	23.8 mm	0.94 in
Diameter (d)	356 mm	14.02 in
Weight	195.0 kg/m	131.03 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	24,838.56 mm²	38.500 in²
Moment of inertia (Ix)	34,439.69 cm⁴	827.41 in⁴
Moment of inertia (Iy)	34,439.69 cm⁴	827.41 in⁴
Elastic section modulus (Sx)	1,934.81 cm³	118.070 in³
Elastic section modulus (Sy)	1,934.81 cm³	118.070 in³
Plastic section modulus (Zx)	2,630.99 cm³	160.553 in³
Plastic section modulus (Zy)	2,630.99 cm³	160.553 in³
Radius of gyration (rx)	11.78 cm	4.636 in
Radius of gyration (ry)	11.78 cm	4.636 in