CHS 406.4x25 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 406.4x25 steel profile weighs 235.2 kg/m (158.02 lb/ft). Cross-sectional area: 29,955.086 mm². Moment of inertia Ix = 54,702.091 cm⁴, Iy = 54,702.091 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	25 mm	0.98 in
Diameter (d)	406.4 mm	16.00 in
Weight	235.2 kg/m	158.02 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	29,955.09 mm²	46.430 in²
Moment of inertia (Ix)	54,702.09 cm⁴	1314.22 in⁴
Moment of inertia (Iy)	54,702.09 cm⁴	1314.22 in⁴
Elastic section modulus (Sx)	2,692.03 cm³	164.279 in³
Elastic section modulus (Sy)	2,692.03 cm³	164.279 in³
Plastic section modulus (Zx)	3,641.86 cm³	222.241 in³
Plastic section modulus (Zy)	3,641.86 cm³	222.241 in³
Radius of gyration (rx)	13.51 cm	5.320 in
Radius of gyration (ry)	13.51 cm	5.320 in