CHS 406.4x17.5 Tata Steel Celsius · Weight & Dimensions

Tata Steel Celsius · 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 406.4x17.5 steel profile weighs 168.0 kg/m (112.90 lb/ft). Cross-sectional area: 21,380.894 mm². Moment of inertia Ix = 40,503.287 cm⁴, Iy = 40,503.287 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	17.5 mm	0.69 in
Diameter (d)	406.4 mm	16.00 in
Weight	168.0 kg/m	112.90 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,380.89 mm²	33.140 in²
Moment of inertia (Ix)	40,503.29 cm⁴	973.09 in⁴
Moment of inertia (Iy)	40,503.29 cm⁴	973.09 in⁴
Elastic section modulus (Sx)	1,993.27 cm³	121.637 in³
Elastic section modulus (Sy)	1,993.27 cm³	121.637 in³
Plastic section modulus (Zx)	2,648.54 cm³	161.625 in³
Plastic section modulus (Zy)	2,648.54 cm³	161.625 in³
Radius of gyration (rx)	13.76 cm	5.419 in
Radius of gyration (ry)	13.76 cm	5.419 in