CHS 457x23.8 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 457x23.8 steel profile weighs 254.3 kg/m (170.86 lb/ft). Cross-sectional area: 32,390.323 mm². Moment of inertia Ix = 76,209.847 cm⁴, Iy = 76,209.847 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	23.8 mm	0.94 in
Diameter (d)	457 mm	17.99 in
Weight	254.3 kg/m	170.86 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	32,390.32 mm²	50.205 in²
Moment of inertia (Ix)	76,209.85 cm⁴	1830.94 in⁴
Moment of inertia (Iy)	76,209.85 cm⁴	1830.94 in⁴
Elastic section modulus (Sx)	3,335.22 cm³	203.529 in³
Elastic section modulus (Sy)	3,335.22 cm³	203.529 in³
Plastic section modulus (Zx)	4,470.86 cm³	272.829 in³
Plastic section modulus (Zy)	4,470.86 cm³	272.829 in³
Radius of gyration (rx)	15.34 cm	6.039 in
Radius of gyration (ry)	15.34 cm	6.039 in