CHS 88.9x6.3 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 88.9x6.3 steel profile weighs 12.8 kg/m (8.60 lb/ft). Cross-sectional area: 1,634.822 mm². Moment of inertia Ix = 140.236 cm⁴, Iy = 140.236 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	6.3 mm	0.25 in
Diameter (d)	88.9 mm	3.50 in
Weight	12.8 kg/m	8.60 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,634.82 mm²	2.534 in²
Moment of inertia (Ix)	140.24 cm⁴	3.37 in⁴
Moment of inertia (Iy)	140.24 cm⁴	3.37 in⁴
Elastic section modulus (Sx)	31.55 cm³	1.925 in³
Elastic section modulus (Sy)	31.55 cm³	1.925 in³
Plastic section modulus (Zx)	43.07 cm³	2.628 in³
Plastic section modulus (Zy)	43.07 cm³	2.628 in³
Radius of gyration (rx)	2.93 cm	1.153 in
Radius of gyration (ry)	2.93 cm	1.153 in