CHS 63.5x1.95 Gerdau · Weight & Dimensions

Gerdau, tubes · 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 63.5x1.95 steel profile weighs 3.0 kg/m (1.99 lb/ft). Cross-sectional area: 377.062 mm². Moment of inertia Ix = 17.874 cm⁴, Iy = 17.874 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1.95 mm ≈ 14 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	1.9 mm	0.08 in
Diameter (d)	63.5 mm	2.50 in
Weight	3.0 kg/m	1.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	377.06 mm²	0.584 in²
Moment of inertia (Ix)	17.87 cm⁴	0.43 in⁴
Moment of inertia (Iy)	17.87 cm⁴	0.43 in⁴
Elastic section modulus (Sx)	5.63 cm³	0.344 in³
Elastic section modulus (Sy)	5.63 cm³	0.344 in³
Plastic section modulus (Zx)	7.39 cm³	0.451 in³
Plastic section modulus (Zy)	7.39 cm³	0.451 in³
Radius of gyration (rx)	2.18 cm	0.857 in
Radius of gyration (ry)	2.18 cm	0.857 in