CHS 355.6x17.5 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 355.6x17.5 steel profile weighs 146.0 kg/m (98.11 lb/ft). Cross-sectional area: 18,588.018 mm². Moment of inertia Ix = 26,631.486 cm⁴, Iy = 26,631.486 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	17.5 mm	0.69 in
Diameter (d)	355.6 mm	14.00 in
Weight	146.0 kg/m	98.11 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	18,588.02 mm²	28.811 in²
Moment of inertia (Ix)	26,631.49 cm⁴	639.82 in⁴
Moment of inertia (Iy)	26,631.49 cm⁴	639.82 in⁴
Elastic section modulus (Sx)	1,497.83 cm³	91.404 in³
Elastic section modulus (Sy)	1,497.83 cm³	91.404 in³
Plastic section modulus (Zx)	2,002.24 cm³	122.185 in³
Plastic section modulus (Zy)	2,002.24 cm³	122.185 in³
Radius of gyration (rx)	11.97 cm	4.712 in
Radius of gyration (ry)	11.97 cm	4.712 in