CHS 273x28 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 273x28 steel profile weighs 169.2 kg/m (113.69 lb/ft). Cross-sectional area: 21,551.326 mm². Moment of inertia Ix = 16,381.432 cm⁴, Iy = 16,381.432 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	28 mm	1.10 in
Diameter (d)	273 mm	10.75 in
Weight	169.2 kg/m	113.69 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,551.33 mm²	33.405 in²
Moment of inertia (Ix)	16,381.43 cm⁴	393.56 in⁴
Moment of inertia (Iy)	16,381.43 cm⁴	393.56 in⁴
Elastic section modulus (Sx)	1,200.1 cm³	73.235 in³
Elastic section modulus (Sy)	1,200.1 cm³	73.235 in³
Plastic section modulus (Zx)	1,688.02 cm³	103.010 in³
Plastic section modulus (Zy)	1,688.02 cm³	103.010 in³
Radius of gyration (rx)	8.72 cm	3.432 in
Radius of gyration (ry)	8.72 cm	3.432 in