CHS 355.6x12 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 355.6x12 steel profile weighs 102.0 kg/m (68.54 lb/ft). Cross-sectional area: 12,953.415 mm². Moment of inertia Ix = 19,139.474 cm⁴, Iy = 19,139.474 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	12 mm	0.47 in
Diameter (d)	355.6 mm	14.00 in
Weight	102.0 kg/m	68.54 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,953.41 mm²	20.078 in²
Moment of inertia (Ix)	19,139.47 cm⁴	459.83 in⁴
Moment of inertia (Iy)	19,139.47 cm⁴	459.83 in⁴
Elastic section modulus (Sx)	1,076.46 cm³	65.690 in³
Elastic section modulus (Sy)	1,076.46 cm³	65.690 in³
Plastic section modulus (Zx)	1,417.31 cm³	86.490 in³
Plastic section modulus (Zy)	1,417.31 cm³	86.490 in³
Radius of gyration (rx)	12.16 cm	4.786 in
Radius of gyration (ry)	12.16 cm	4.786 in