CHS 44.45x1.9 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 44.45x1.9 steel profile weighs 2.0 kg/m (1.34 lb/ft). Cross-sectional area: 253.982 mm². Moment of inertia Ix = 5.759 cm⁴, Iy = 5.759 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1.9 mm ≈ 14 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	1.9 mm	0.07 in
Diameter (d)	44.5 mm	1.75 in
Weight	2.0 kg/m	1.34 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	253.98 mm²	0.394 in²
Moment of inertia (Ix)	5.76 cm⁴	0.14 in⁴
Moment of inertia (Iy)	5.76 cm⁴	0.14 in⁴
Elastic section modulus (Sx)	2.59 cm³	0.158 in³
Elastic section modulus (Sy)	2.59 cm³	0.158 in³
Plastic section modulus (Zx)	3.44 cm³	0.210 in³
Plastic section modulus (Zy)	3.44 cm³	0.210 in³
Radius of gyration (rx)	1.51 cm	0.593 in
Radius of gyration (ry)	1.51 cm	0.593 in