CHS 355.6x25.4 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 355.6x25.4 steel profile weighs 206.8 kg/m (139.00 lb/ft). Cross-sectional area: 26,348.789 mm². Moment of inertia Ix = 36,123.267 cm⁴, Iy = 36,123.267 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	25.4 mm	1.00 in
Diameter (d)	355.6 mm	14.00 in
Weight	206.8 kg/m	139.00 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	26,348.79 mm²	40.841 in²
Moment of inertia (Ix)	36,123.27 cm⁴	867.86 in⁴
Moment of inertia (Iy)	36,123.27 cm⁴	867.86 in⁴
Elastic section modulus (Sx)	2,031.68 cm³	123.981 in³
Elastic section modulus (Sy)	2,031.68 cm³	123.981 in³
Plastic section modulus (Zx)	2,774.88 cm³	169.334 in³
Plastic section modulus (Zy)	2,774.88 cm³	169.334 in³
Radius of gyration (rx)	11.71 cm	4.610 in
Radius of gyration (ry)	11.71 cm	4.610 in