CHS 273.0x8 · Weight & Dimensions

EN — 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 273.0x8 steel profile weighs 52.3 kg/m (35.15 lb/ft). Cross-sectional area: 6,660.2 mm². Moment of inertia Ix = 5,851.71 cm⁴, Iy = 5,851.71 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8 mm	0.31 in
Diameter (d)	273 mm	10.75 in
Weight	52.3 kg/m	35.15 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,660.2 mm²	10.323 in²
Moment of inertia (Ix)	5,851.71 cm⁴	140.59 in⁴
Moment of inertia (Iy)	5,851.71 cm⁴	140.59 in⁴
Elastic section modulus (Sx)	428.7 cm³	26.161 in³
Elastic section modulus (Sy)	428.7 cm³	26.161 in³
Plastic section modulus (Zx)	561.97 cm³	34.294 in³
Plastic section modulus (Zy)	561.97 cm³	34.294 in³
Radius of gyration (rx)	9.37 cm	3.689 in
Radius of gyration (ry)	9.37 cm	3.689 in