CHS 114.3x1.9 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 114.3x1.9 steel profile weighs 5.3 kg/m (3.54 lb/ft). Cross-sectional area: 670.919 mm². Moment of inertia Ix = 105.983 cm⁴, Iy = 105.983 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)	114.3 mm	4.50 in
Weight	5.3 kg/m	3.54 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	670.92 mm²	1.040 in²
Moment of inertia (Ix)	105.98 cm⁴	2.55 in⁴
Moment of inertia (Iy)	105.98 cm⁴	2.55 in⁴
Elastic section modulus (Sx)	18.54 cm³	1.132 in³
Elastic section modulus (Sy)	18.54 cm³	1.132 in³
Plastic section modulus (Zx)	24.01 cm³	1.465 in³
Plastic section modulus (Zy)	24.01 cm³	1.465 in³
Radius of gyration (rx)	3.97 cm	1.565 in
Radius of gyration (ry)	3.97 cm	1.565 in