CHS 89x11.13 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 89x11.13 steel profile weighs 21.4 kg/m (14.36 lb/ft). Cross-sectional area: 2,722.797 mm². Moment of inertia Ix = 210.595 cm⁴, Iy = 210.595 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	11.1 mm	0.44 in
Diameter (d)	89 mm	3.50 in
Weight	21.4 kg/m	14.36 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,722.8 mm²	4.220 in²
Moment of inertia (Ix)	210.6 cm⁴	5.06 in⁴
Moment of inertia (Iy)	210.6 cm⁴	5.06 in⁴
Elastic section modulus (Sx)	47.32 cm³	2.888 in³
Elastic section modulus (Sy)	47.32 cm³	2.888 in³
Plastic section modulus (Zx)	67.95 cm³	4.147 in³
Plastic section modulus (Zy)	67.95 cm³	4.147 in³
Radius of gyration (rx)	2.78 cm	1.095 in
Radius of gyration (ry)	2.78 cm	1.095 in