CHS 194x9 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 194x9 steel profile weighs 41.1 kg/m (27.59 lb/ft). Cross-sectional area: 5,230.752 mm². Moment of inertia Ix = 2,243.077 cm⁴, Iy = 2,243.077 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	9 mm	0.35 in
Diameter (d)	194 mm	7.64 in
Weight	41.1 kg/m	27.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,230.75 mm²	8.108 in²
Moment of inertia (Ix)	2,243.08 cm⁴	53.89 in⁴
Moment of inertia (Iy)	2,243.08 cm⁴	53.89 in⁴
Elastic section modulus (Sx)	231.25 cm³	14.111 in³
Elastic section modulus (Sy)	231.25 cm³	14.111 in³
Plastic section modulus (Zx)	308.27 cm³	18.812 in³
Plastic section modulus (Zy)	308.27 cm³	18.812 in³
Radius of gyration (rx)	6.55 cm	2.578 in
Radius of gyration (ry)	6.55 cm	2.578 in