CHS 273x4 Tata Steel Hybox · Weight & Dimensions

Tata Steel Hybox · 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 273x4 steel profile weighs 26.5 kg/m (17.81 lb/ft). Cross-sectional area: 3,380.354 mm². Moment of inertia Ix = 3,058.248 cm⁴, Iy = 3,058.248 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	4 mm	0.16 in
Diameter (d)	273 mm	10.75 in
Weight	26.5 kg/m	17.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,380.35 mm²	5.240 in²
Moment of inertia (Ix)	3,058.25 cm⁴	73.47 in⁴
Moment of inertia (Iy)	3,058.25 cm⁴	73.47 in⁴
Elastic section modulus (Sx)	224.05 cm³	13.672 in³
Elastic section modulus (Sy)	224.05 cm³	13.672 in³
Plastic section modulus (Zx)	289.47 cm³	17.664 in³
Plastic section modulus (Zy)	289.47 cm³	17.664 in³
Radius of gyration (rx)	9.51 cm	3.745 in
Radius of gyration (ry)	9.51 cm	3.745 in