CHS 406.4x6.3 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 406.4x6.3 steel profile weighs 62.2 kg/m (41.80 lb/ft). Cross-sectional area: 7,918.793 mm². Moment of inertia Ix = 15,849.434 cm⁴, Iy = 15,849.434 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	6.3 mm	0.25 in
Diameter (d)	406.4 mm	16.00 in
Weight	62.2 kg/m	41.80 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,918.79 mm²	12.274 in²
Moment of inertia (Ix)	15,849.43 cm⁴	380.78 in⁴
Moment of inertia (Iy)	15,849.43 cm⁴	380.78 in⁴
Elastic section modulus (Sx)	779.99 cm³	47.598 in³
Elastic section modulus (Sy)	779.99 cm³	47.598 in³
Plastic section modulus (Zx)	1,008.59 cm³	61.548 in³
Plastic section modulus (Zy)	1,008.59 cm³	61.548 in³
Radius of gyration (rx)	14.15 cm	5.570 in
Radius of gyration (ry)	14.15 cm	5.570 in