CHS 355.6x10 · Weight & Dimensions

EN — 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 355.6x10 steel profile weighs 85.2 kg/m (57.25 lb/ft). Cross-sectional area: 10,857.3 mm². Moment of inertia Ix = 16,223.5 cm⁴, Iy = 16,223.5 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	10 mm	0.39 in
Diameter (d)	355.6 mm	14.00 in
Weight	85.2 kg/m	57.25 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,857.3 mm²	16.829 in²
Moment of inertia (Ix)	16,223.5 cm⁴	389.77 in⁴
Moment of inertia (Iy)	16,223.5 cm⁴	389.77 in⁴
Elastic section modulus (Sx)	912.46 cm³	55.682 in³
Elastic section modulus (Sy)	912.46 cm³	55.682 in³
Plastic section modulus (Zx)	1,194.73 cm³	72.907 in³
Plastic section modulus (Zy)	1,194.73 cm³	72.907 in³
Radius of gyration (rx)	12.22 cm	4.811 in
Radius of gyration (ry)	12.22 cm	4.811 in