CHS 168.3x6 Tata Steel Hybox · Weight & Dimensions

Tata Steel Hybox · 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 168.3x6 steel profile weighs 24.0 kg/m (16.13 lb/ft). Cross-sectional area: 3,059.283 mm². Moment of inertia Ix = 1,008.695 cm⁴, Iy = 1,008.695 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6 mm ≈ 4 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	6 mm	0.24 in
Diameter (d)	168.3 mm	6.63 in
Weight	24.0 kg/m	16.13 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,059.28 mm²	4.742 in²
Moment of inertia (Ix)	1,008.69 cm⁴	24.23 in⁴
Moment of inertia (Iy)	1,008.69 cm⁴	24.23 in⁴
Elastic section modulus (Sx)	119.87 cm³	7.315 in³
Elastic section modulus (Sy)	119.87 cm³	7.315 in³
Plastic section modulus (Zx)	158.12 cm³	9.649 in³
Plastic section modulus (Zy)	158.12 cm³	9.649 in³
Radius of gyration (rx)	5.74 cm	2.261 in
Radius of gyration (ry)	5.74 cm	2.261 in