CHS 57.15x2.25 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 57.15x2.25 steel profile weighs 3.0 kg/m (2.05 lb/ft). Cross-sectional area: 388.065 mm². Moment of inertia Ix = 14.645 cm⁴, Iy = 14.645 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2.25 mm ≈ 13 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	2.3 mm	0.09 in
Diameter (d)	57.1 mm	2.25 in
Weight	3.0 kg/m	2.05 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	388.07 mm²	0.602 in²
Moment of inertia (Ix)	14.64 cm⁴	0.35 in⁴
Moment of inertia (Iy)	14.64 cm⁴	0.35 in⁴
Elastic section modulus (Sx)	5.13 cm³	0.313 in³
Elastic section modulus (Sy)	5.13 cm³	0.313 in³
Plastic section modulus (Zx)	6.79 cm³	0.414 in³
Plastic section modulus (Zy)	6.79 cm³	0.414 in³
Radius of gyration (rx)	1.94 cm	0.765 in
Radius of gyration (ry)	1.94 cm	0.765 in