CHS 355.6x15.1 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 355.6x15.1 steel profile weighs 126.8 kg/m (85.21 lb/ft). Cross-sectional area: 16,152.656 mm². Moment of inertia Ix = 23,455.324 cm⁴, Iy = 23,455.324 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	15.1 mm	0.59 in
Diameter (d)	355.6 mm	14.00 in
Weight	126.8 kg/m	85.21 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	16,152.66 mm²	25.037 in²
Moment of inertia (Ix)	23,455.32 cm⁴	563.51 in⁴
Moment of inertia (Iy)	23,455.32 cm⁴	563.51 in⁴
Elastic section modulus (Sx)	1,319.2 cm³	80.503 in³
Elastic section modulus (Sy)	1,319.2 cm³	80.503 in³
Plastic section modulus (Zx)	1,751.85 cm³	106.905 in³
Plastic section modulus (Zy)	1,751.85 cm³	106.905 in³
Radius of gyration (rx)	12.05 cm	4.744 in
Radius of gyration (ry)	12.05 cm	4.744 in