CHS 168.3x10.9 Tecnometal · Weight & Dimensions

Tecnometal, cold-formed sections (Brazil) · 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 168.3x10.9 steel profile weighs 42.3 kg/m (28.43 lb/ft). Cross-sectional area: 5,389.905 mm². Moment of inertia Ix = 1,677.175 cm⁴, Iy = 1,677.175 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	10.9 mm	0.43 in
Diameter (d)	168.3 mm	6.63 in
Weight	42.3 kg/m	28.43 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,389.9 mm²	8.354 in²
Moment of inertia (Ix)	1,677.17 cm⁴	40.29 in⁴
Moment of inertia (Iy)	1,677.17 cm⁴	40.29 in⁴
Elastic section modulus (Sx)	199.31 cm³	12.163 in³
Elastic section modulus (Sy)	199.31 cm³	12.163 in³
Plastic section modulus (Zx)	270.48 cm³	16.506 in³
Plastic section modulus (Zy)	270.48 cm³	16.506 in³
Radius of gyration (rx)	5.58 cm	2.196 in
Radius of gyration (ry)	5.58 cm	2.196 in