CHS 299x60 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 299x60 steel profile weighs 353.6 kg/m (237.65 lb/ft). Cross-sectional area: 45,050.439 mm². Moment of inertia Ix = 34,193.846 cm⁴, Iy = 34,193.846 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	60 mm	2.36 in
Diameter (d)	299 mm	11.77 in
Weight	353.6 kg/m	237.65 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	45,050.44 mm²	69.828 in²
Moment of inertia (Ix)	34,193.85 cm⁴	821.51 in⁴
Moment of inertia (Iy)	34,193.85 cm⁴	821.51 in⁴
Elastic section modulus (Sx)	2,287.21 cm³	139.575 in³
Elastic section modulus (Sy)	2,287.21 cm³	139.575 in³
Plastic section modulus (Zx)	3,499.26 cm³	213.539 in³
Plastic section modulus (Zy)	3,499.26 cm³	213.539 in³
Radius of gyration (rx)	8.71 cm	3.430 in
Radius of gyration (ry)	8.71 cm	3.430 in