CHS 57.15x1.25 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 57.15x1.25 steel profile weighs 1.7 kg/m (1.16 lb/ft). Cross-sectional area: 219.519 mm². Moment of inertia Ix = 8.579 cm⁴, Iy = 8.579 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1.25 mm ≈ 18 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	1.3 mm	0.05 in
Diameter (d)	57.1 mm	2.25 in
Weight	1.7 kg/m	1.16 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	219.52 mm²	0.340 in²
Moment of inertia (Ix)	8.58 cm⁴	0.21 in⁴
Moment of inertia (Iy)	8.58 cm⁴	0.21 in⁴
Elastic section modulus (Sx)	3 cm³	0.183 in³
Elastic section modulus (Sy)	3 cm³	0.183 in³
Plastic section modulus (Zx)	3.91 cm³	0.238 in³
Plastic section modulus (Zy)	3.91 cm³	0.238 in³
Radius of gyration (rx)	1.98 cm	0.778 in
Radius of gyration (ry)	1.98 cm	0.778 in