CHS 457x8 SAISC · Weight & Dimensions

SAISC, 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 457x8 steel profile weighs 88.6 kg/m (59.53 lb/ft). Cross-sectional area: 11,284.601 mm². Moment of inertia Ix = 28,446.363 cm⁴, Iy = 28,446.363 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8 mm	0.31 in
Diameter (d)	457 mm	17.99 in
Weight	88.6 kg/m	59.53 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,284.6 mm²	17.491 in²
Moment of inertia (Ix)	28,446.36 cm⁴	683.42 in⁴
Moment of inertia (Iy)	28,446.36 cm⁴	683.42 in⁴
Elastic section modulus (Sx)	1,244.92 cm³	75.970 in³
Elastic section modulus (Sy)	1,244.92 cm³	75.970 in³
Plastic section modulus (Zx)	1,612.98 cm³	98.430 in³
Plastic section modulus (Zy)	1,612.98 cm³	98.430 in³
Radius of gyration (rx)	15.88 cm	6.251 in
Radius of gyration (ry)	15.88 cm	6.251 in