CHS 457x23.83 IMCA · Weight & Dimensions

IMCA, 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 457x23.83 steel profile weighs 254.6 kg/m (171.07 lb/ft). Cross-sectional area: 32,428.905 mm². Moment of inertia Ix = 76,290.669 cm⁴, Iy = 76,290.669 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	254.6 kg/m	171.07 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	32,428.91 mm²	50.265 in²
Moment of inertia (Ix)	76,290.67 cm⁴	1832.88 in⁴
Moment of inertia (Iy)	76,290.67 cm⁴	1832.88 in⁴
Elastic section modulus (Sx)	3,338.76 cm³	203.744 in³
Elastic section modulus (Sy)	3,338.76 cm³	203.744 in³
Plastic section modulus (Zx)	4,475.88 cm³	273.136 in³
Plastic section modulus (Zy)	4,475.88 cm³	273.136 in³
Radius of gyration (rx)	15.34 cm	6.039 in
Radius of gyration (ry)	15.34 cm	6.039 in