CHS 406.4x16 Iberian tables · Weight & Dimensions

Iberian tables, cold-formed sections · 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 406.4x16 steel profile weighs 154.1 kg/m (103.52 lb/ft). Cross-sectional area: 19,623.644 mm². Moment of inertia Ix = 37,448.821 cm⁴, Iy = 37,448.821 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	16 mm	0.63 in
Diameter (d)	406.4 mm	16.00 in
Weight	154.1 kg/m	103.52 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,623.64 mm²	30.417 in²
Moment of inertia (Ix)	37,448.82 cm⁴	899.71 in⁴
Moment of inertia (Iy)	37,448.82 cm⁴	899.71 in⁴
Elastic section modulus (Sx)	1,842.95 cm³	112.464 in³
Elastic section modulus (Sy)	1,842.95 cm³	112.464 in³
Plastic section modulus (Zx)	2,439.96 cm³	148.896 in³
Plastic section modulus (Zy)	2,439.96 cm³	148.896 in³
Radius of gyration (rx)	13.81 cm	5.439 in
Radius of gyration (ry)	13.81 cm	5.439 in