CHS 146x30 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 146x30 steel profile weighs 85.8 kg/m (57.67 lb/ft). Cross-sectional area: 10,932.742 mm². Moment of inertia Ix = 1,961.881 cm⁴, Iy = 1,961.881 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	30 mm	1.18 in
Diameter (d)	146 mm	5.75 in
Weight	85.8 kg/m	57.67 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,932.74 mm²	16.946 in²
Moment of inertia (Ix)	1,961.88 cm⁴	47.13 in⁴
Moment of inertia (Iy)	1,961.88 cm⁴	47.13 in⁴
Elastic section modulus (Sx)	268.75 cm³	16.400 in³
Elastic section modulus (Sy)	268.75 cm³	16.400 in³
Plastic section modulus (Zx)	412.68 cm³	25.183 in³
Plastic section modulus (Zy)	412.68 cm³	25.183 in³
Radius of gyration (rx)	4.24 cm	1.668 in
Radius of gyration (ry)	4.24 cm	1.668 in