CHS 127x3.2 Acindar · Weight & Dimensions

Acindar, cold-formed sections · 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 127x3.2 steel profile weighs 9.8 kg/m (6.57 lb/ft). Cross-sectional area: 1,244.573 mm². Moment of inertia Ix = 238.595 cm⁴, Iy = 238.595 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.2 mm ≈ 10 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	3.2 mm	0.13 in
Diameter (d)	127 mm	5.00 in
Weight	9.8 kg/m	6.57 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,244.57 mm²	1.929 in²
Moment of inertia (Ix)	238.6 cm⁴	5.73 in⁴
Moment of inertia (Iy)	238.6 cm⁴	5.73 in⁴
Elastic section modulus (Sx)	37.57 cm³	2.293 in³
Elastic section modulus (Sy)	37.57 cm³	2.293 in³
Plastic section modulus (Zx)	49.06 cm³	2.994 in³
Plastic section modulus (Zy)	49.06 cm³	2.994 in³
Radius of gyration (rx)	4.38 cm	1.724 in
Radius of gyration (ry)	4.38 cm	1.724 in