CHS 508x20.62 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 508x20.62 steel profile weighs 247.8 kg/m (166.55 lb/ft). Cross-sectional area: 31,572.301 mm². Moment of inertia Ix = 93,913.566 cm⁴, Iy = 93,913.566 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	20.6 mm	0.81 in
Diameter (d)	508 mm	20.00 in
Weight	247.8 kg/m	166.55 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	31,572.3 mm²	48.937 in²
Moment of inertia (Ix)	93,913.57 cm⁴	2256.27 in⁴
Moment of inertia (Iy)	93,913.57 cm⁴	2256.27 in⁴
Elastic section modulus (Sx)	3,697.38 cm³	225.629 in³
Elastic section modulus (Sy)	3,697.38 cm³	225.629 in³
Plastic section modulus (Zx)	4,900.98 cm³	299.078 in³
Plastic section modulus (Zy)	4,900.98 cm³	299.078 in³
Radius of gyration (rx)	17.25 cm	6.790 in
Radius of gyration (ry)	17.25 cm	6.790 in