CHS 88.9x4.8 Tata Steel · Weight & Dimensions

Tata Steel, cold-formed sections · 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 88.9x4.8 steel profile weighs 10.0 kg/m (6.70 lb/ft). Cross-sectional area: 1,268.198 mm². Moment of inertia Ix = 112.487 cm⁴, Iy = 112.487 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.8 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	4.8 mm	0.19 in
Diameter (d)	88.9 mm	3.50 in
Weight	10.0 kg/m	6.70 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,268.2 mm²	1.966 in²
Moment of inertia (Ix)	112.49 cm⁴	2.70 in⁴
Moment of inertia (Iy)	112.49 cm⁴	2.70 in⁴
Elastic section modulus (Sx)	25.31 cm³	1.544 in³
Elastic section modulus (Sy)	25.31 cm³	1.544 in³
Plastic section modulus (Zx)	33.99 cm³	2.074 in³
Plastic section modulus (Zy)	33.99 cm³	2.074 in³
Radius of gyration (rx)	2.98 cm	1.173 in
Radius of gyration (ry)	2.98 cm	1.173 in