CHS 355.6x14.3 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 355.6x14.3 steel profile weighs 120.4 kg/m (80.88 lb/ft). Cross-sectional area: 15,332.826 mm². Moment of inertia Ix = 22,364.877 cm⁴, Iy = 22,364.877 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	14.3 mm	0.56 in
Diameter (d)	355.6 mm	14.00 in
Weight	120.4 kg/m	80.88 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	15,332.83 mm²	23.766 in²
Moment of inertia (Ix)	22,364.88 cm⁴	537.32 in⁴
Moment of inertia (Iy)	22,364.88 cm⁴	537.32 in⁴
Elastic section modulus (Sx)	1,257.87 cm³	76.760 in³
Elastic section modulus (Sy)	1,257.87 cm³	76.760 in³
Plastic section modulus (Zx)	1,666.72 cm³	101.710 in³
Plastic section modulus (Zy)	1,666.72 cm³	101.710 in³
Radius of gyration (rx)	12.08 cm	4.755 in
Radius of gyration (ry)	12.08 cm	4.755 in