CHS 355.6x23.8 Açotubo · Weight & Dimensions

Açotubo, 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 355.6x23.8 steel profile weighs 194.8 kg/m (130.87 lb/ft). Cross-sectional area: 24,808.655 mm². Moment of inertia Ix = 34,315.852 cm⁴, Iy = 34,315.852 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	23.8 mm	0.94 in
Diameter (d)	355.6 mm	14.00 in
Weight	194.8 kg/m	130.87 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	24,808.65 mm²	38.453 in²
Moment of inertia (Ix)	34,315.85 cm⁴	824.44 in⁴
Moment of inertia (Iy)	34,315.85 cm⁴	824.44 in⁴
Elastic section modulus (Sx)	1,930.03 cm³	117.778 in³
Elastic section modulus (Sy)	1,930.03 cm³	117.778 in³
Plastic section modulus (Zx)	2,624.67 cm³	160.168 in³
Plastic section modulus (Zy)	2,624.67 cm³	160.168 in³
Radius of gyration (rx)	11.76 cm	4.630 in
Radius of gyration (ry)	11.76 cm	4.630 in