CHS 457x12.7 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 457x12.7 steel profile weighs 139.2 kg/m (93.52 lb/ft). Cross-sectional area: 17,726.782 mm². Moment of inertia Ix = 43,777.126 cm⁴, Iy = 43,777.126 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	12.7 mm	0.50 in
Diameter (d)	457 mm	17.99 in
Weight	139.2 kg/m	93.52 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	17,726.78 mm²	27.477 in²
Moment of inertia (Ix)	43,777.13 cm⁴	1051.75 in⁴
Moment of inertia (Iy)	43,777.13 cm⁴	1051.75 in⁴
Elastic section modulus (Sx)	1,915.85 cm³	116.913 in³
Elastic section modulus (Sy)	1,915.85 cm³	116.913 in³
Plastic section modulus (Zx)	2,507.69 cm³	153.030 in³
Plastic section modulus (Zy)	2,507.69 cm³	153.030 in³
Radius of gyration (rx)	15.71 cm	6.187 in
Radius of gyration (ry)	15.71 cm	6.187 in