CHS 273x50 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 273x50 steel profile weighs 275.0 kg/m (184.79 lb/ft). Cross-sectional area: 35,028.758 mm². Moment of inertia Ix = 22,868.963 cm⁴, Iy = 22,868.963 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	50 mm	1.97 in
Diameter (d)	273 mm	10.75 in
Weight	275.0 kg/m	184.79 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	35,028.76 mm²	54.295 in²
Moment of inertia (Ix)	22,868.96 cm⁴	549.43 in⁴
Moment of inertia (Iy)	22,868.96 cm⁴	549.43 in⁴
Elastic section modulus (Sx)	1,675.38 cm³	102.239 in³
Elastic section modulus (Sy)	1,675.38 cm³	102.239 in³
Plastic section modulus (Zx)	2,528.12 cm³	154.276 in³
Plastic section modulus (Zy)	2,528.12 cm³	154.276 in³
Radius of gyration (rx)	8.08 cm	3.181 in
Radius of gyration (ry)	8.08 cm	3.181 in