CHS 299x22 GOST · Weight & Dimensions

GOST, 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 299x22 steel profile weighs 150.3 kg/m (100.99 lb/ft). Cross-sectional area: 19,144.866 mm². Moment of inertia Ix = 18,477.906 cm⁴, Iy = 18,477.906 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	22 mm	0.87 in
Diameter (d)	299 mm	11.77 in
Weight	150.3 kg/m	100.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,144.87 mm²	29.675 in²
Moment of inertia (Ix)	18,477.91 cm⁴	443.93 in⁴
Moment of inertia (Iy)	18,477.91 cm⁴	443.93 in⁴
Elastic section modulus (Sx)	1,235.98 cm³	75.424 in³
Elastic section modulus (Sy)	1,235.98 cm³	75.424 in³
Plastic section modulus (Zx)	1,691.59 cm³	103.227 in³
Plastic section modulus (Zy)	1,691.59 cm³	103.227 in³
Radius of gyration (rx)	9.82 cm	3.868 in
Radius of gyration (ry)	9.82 cm	3.868 in