CHS 355.6x10.3 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 355.6x10.3 steel profile weighs 87.7 kg/m (58.94 lb/ft). Cross-sectional area: 11,173.357 mm². Moment of inertia Ix = 16,667.601 cm⁴, Iy = 16,667.601 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	10.3 mm	0.41 in
Diameter (d)	355.6 mm	14.00 in
Weight	87.7 kg/m	58.94 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,173.36 mm²	17.319 in²
Moment of inertia (Ix)	16,667.6 cm⁴	400.44 in⁴
Moment of inertia (Iy)	16,667.6 cm⁴	400.44 in⁴
Elastic section modulus (Sx)	937.44 cm³	57.206 in³
Elastic section modulus (Sy)	937.44 cm³	57.206 in³
Plastic section modulus (Zx)	1,228.45 cm³	74.965 in³
Plastic section modulus (Zy)	1,228.45 cm³	74.965 in³
Radius of gyration (rx)	12.21 cm	4.809 in
Radius of gyration (ry)	12.21 cm	4.809 in