CHS 356x11.13 IMCA · Weight & Dimensions

IMCA, 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 356x11.13 steel profile weighs 94.7 kg/m (63.61 lb/ft). Cross-sectional area: 12,058.699 mm². Moment of inertia Ix = 17,946.237 cm⁴, Iy = 17,946.237 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	11.1 mm	0.44 in
Diameter (d)	356 mm	14.02 in
Weight	94.7 kg/m	63.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,058.7 mm²	18.691 in²
Moment of inertia (Ix)	17,946.24 cm⁴	431.16 in⁴
Moment of inertia (Iy)	17,946.24 cm⁴	431.16 in⁴
Elastic section modulus (Sx)	1,008.22 cm³	61.525 in³
Elastic section modulus (Sy)	1,008.22 cm³	61.525 in³
Plastic section modulus (Zx)	1,324.21 cm³	80.809 in³
Plastic section modulus (Zy)	1,324.21 cm³	80.809 in³
Radius of gyration (rx)	12.2 cm	4.803 in
Radius of gyration (ry)	12.2 cm	4.803 in