CHS 273x12.5 Tata Steel Celsius · Weight & Dimensions

Tata Steel Celsius · 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 273x12.5 steel profile weighs 80.3 kg/m (53.96 lb/ft). Cross-sectional area: 10,229.811 mm². Moment of inertia Ix = 8,697.449 cm⁴, Iy = 8,697.449 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	12.5 mm	0.49 in
Diameter (d)	273 mm	10.75 in
Weight	80.3 kg/m	53.96 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,229.81 mm²	15.856 in²
Moment of inertia (Ix)	8,697.45 cm⁴	208.96 in⁴
Moment of inertia (Iy)	8,697.45 cm⁴	208.96 in⁴
Elastic section modulus (Sx)	637.18 cm³	38.883 in³
Elastic section modulus (Sy)	637.18 cm³	38.883 in³
Plastic section modulus (Zx)	848.9 cm³	51.804 in³
Plastic section modulus (Zy)	848.9 cm³	51.804 in³
Radius of gyration (rx)	9.22 cm	3.630 in
Radius of gyration (ry)	9.22 cm	3.630 in