CHS 273x17.5 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 273x17.5 steel profile weighs 110.0 kg/m (73.92 lb/ft). Cross-sectional area: 14,046.846 mm². Moment of inertia Ix = 11,516.043 cm⁴, Iy = 11,516.043 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	17.5 mm	0.69 in
Diameter (d)	273 mm	10.75 in
Weight	110.0 kg/m	73.92 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	14,046.85 mm²	21.773 in²
Moment of inertia (Ix)	11,516.04 cm⁴	276.67 in⁴
Moment of inertia (Iy)	11,516.04 cm⁴	276.67 in⁴
Elastic section modulus (Sx)	843.67 cm³	51.484 in³
Elastic section modulus (Sy)	843.67 cm³	51.484 in³
Plastic section modulus (Zx)	1,144.19 cm³	69.823 in³
Plastic section modulus (Zy)	1,144.19 cm³	69.823 in³
Radius of gyration (rx)	9.05 cm	3.565 in
Radius of gyration (ry)	9.05 cm	3.565 in