CHS 406.4x40 Tuboeuropa · Weight & Dimensions

Tuboeuropa, 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 406.4x40 steel profile weighs 361.1 kg/m (242.66 lb/ft). Cross-sectional area: 46,043.182 mm². Moment of inertia Ix = 78,186.48 cm⁴, Iy = 78,186.48 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	40 mm	1.57 in
Diameter (d)	406.4 mm	16.00 in
Weight	361.1 kg/m	242.66 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	46,043.18 mm²	71.367 in²
Moment of inertia (Ix)	78,186.48 cm⁴	1878.43 in⁴
Moment of inertia (Iy)	78,186.48 cm⁴	1878.43 in⁴
Elastic section modulus (Sx)	3,847.76 cm³	234.806 in³
Elastic section modulus (Sy)	3,847.76 cm³	234.806 in³
Plastic section modulus (Zx)	5,391.29 cm³	328.998 in³
Plastic section modulus (Zy)	5,391.29 cm³	328.998 in³
Radius of gyration (rx)	13.03 cm	5.130 in
Radius of gyration (ry)	13.03 cm	5.130 in