CHS 457x29.4 AHMSA · Weight & Dimensions

AHMSA, 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 457x29.4 steel profile weighs 310.0 kg/m (208.34 lb/ft). Cross-sectional area: 39,494.344 mm². Moment of inertia Ix = 90,691.908 cm⁴, Iy = 90,691.908 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	29.4 mm	1.16 in
Diameter (d)	457 mm	17.99 in
Weight	310.0 kg/m	208.34 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	39,494.34 mm²	61.216 in²
Moment of inertia (Ix)	90,691.91 cm⁴	2178.87 in⁴
Moment of inertia (Iy)	90,691.91 cm⁴	2178.87 in⁴
Elastic section modulus (Sx)	3,969.01 cm³	242.205 in³
Elastic section modulus (Sy)	3,969.01 cm³	242.205 in³
Plastic section modulus (Zx)	5,384.02 cm³	328.554 in³
Plastic section modulus (Zy)	5,384.02 cm³	328.554 in³
Radius of gyration (rx)	15.15 cm	5.966 in
Radius of gyration (ry)	15.15 cm	5.966 in