CHS 177.8x6.3 Tuboeuropa · Weight & Dimensions

Tuboeuropa, 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 177.8x6.3 steel profile weighs 26.6 kg/m (17.88 lb/ft). Cross-sectional area: 3,394.334 mm². Moment of inertia Ix = 1,249.621 cm⁴, Iy = 1,249.621 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	6.3 mm	0.25 in
Diameter (d)	177.8 mm	7.00 in
Weight	26.6 kg/m	17.88 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,394.33 mm²	5.261 in²
Moment of inertia (Ix)	1,249.62 cm⁴	30.02 in⁴
Moment of inertia (Iy)	1,249.62 cm⁴	30.02 in⁴
Elastic section modulus (Sx)	140.56 cm³	8.578 in³
Elastic section modulus (Sy)	140.56 cm³	8.578 in³
Plastic section modulus (Zx)	185.38 cm³	11.313 in³
Plastic section modulus (Zy)	185.38 cm³	11.313 in³
Radius of gyration (rx)	6.07 cm	2.389 in
Radius of gyration (ry)	6.07 cm	2.389 in