CHS 168x10.97 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 168x10.97 steel profile weighs 42.5 kg/m (28.55 lb/ft). Cross-sectional area: 5,411.768 mm². Moment of inertia Ix = 1,676.211 cm⁴, Iy = 1,676.211 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	11.0 mm	0.43 in
Diameter (d)	168 mm	6.61 in
Weight	42.5 kg/m	28.55 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,411.77 mm²	8.388 in²
Moment of inertia (Ix)	1,676.21 cm⁴	40.27 in⁴
Moment of inertia (Iy)	1,676.21 cm⁴	40.27 in⁴
Elastic section modulus (Sx)	199.55 cm³	12.177 in³
Elastic section modulus (Sy)	199.55 cm³	12.177 in³
Plastic section modulus (Zx)	270.94 cm³	16.534 in³
Plastic section modulus (Zy)	270.94 cm³	16.534 in³
Radius of gyration (rx)	5.57 cm	2.191 in
Radius of gyration (ry)	5.57 cm	2.191 in