CHS 76x3 GOST · Weight & Dimensions

GOST, 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 76x3 steel profile weighs 5.4 kg/m (3.63 lb/ft). Cross-sectional area: 688.009 mm². Moment of inertia Ix = 45.907 cm⁴, Iy = 45.907 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	3 mm	0.12 in
Diameter (d)	76 mm	2.99 in
Weight	5.4 kg/m	3.63 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	688.01 mm²	1.066 in²
Moment of inertia (Ix)	45.91 cm⁴	1.10 in⁴
Moment of inertia (Iy)	45.91 cm⁴	1.10 in⁴
Elastic section modulus (Sx)	12.08 cm³	0.737 in³
Elastic section modulus (Sy)	12.08 cm³	0.737 in³
Plastic section modulus (Zx)	16 cm³	0.976 in³
Plastic section modulus (Zy)	16 cm³	0.976 in³
Radius of gyration (rx)	2.58 cm	1.017 in
Radius of gyration (ry)	2.58 cm	1.017 in