CHS 406.4x12 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 406.4x12 steel profile weighs 117.0 kg/m (78.62 lb/ft). Cross-sectional area: 14,868.53 mm². Moment of inertia Ix = 28,937.014 cm⁴, Iy = 28,937.014 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	12 mm	0.47 in
Diameter (d)	406.4 mm	16.00 in
Weight	117.0 kg/m	78.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	14,868.53 mm²	23.046 in²
Moment of inertia (Ix)	28,937.01 cm⁴	695.21 in⁴
Moment of inertia (Iy)	28,937.01 cm⁴	695.21 in⁴
Elastic section modulus (Sx)	1,424.07 cm³	86.902 in³
Elastic section modulus (Sy)	1,424.07 cm³	86.902 in³
Plastic section modulus (Zx)	1,867.19 cm³	113.944 in³
Plastic section modulus (Zy)	1,867.19 cm³	113.944 in³
Radius of gyration (rx)	13.95 cm	5.492 in
Radius of gyration (ry)	13.95 cm	5.492 in