CHS 193.7x6.3 · Weight & Dimensions

EN — 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 193.7x6.3 steel profile weighs 29.1 kg/m (19.56 lb/ft). Cross-sectional area: 3,709 mm². Moment of inertia Ix = 1,630.05 cm⁴, Iy = 1,630.05 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)	193.7 mm	7.63 in
Weight	29.1 kg/m	19.56 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,709 mm²	5.749 in²
Moment of inertia (Ix)	1,630.05 cm⁴	39.16 in⁴
Moment of inertia (Iy)	1,630.05 cm⁴	39.16 in⁴
Elastic section modulus (Sx)	168.31 cm³	10.271 in³
Elastic section modulus (Sy)	168.31 cm³	10.271 in³
Plastic section modulus (Zx)	221.33 cm³	13.506 in³
Plastic section modulus (Zy)	221.33 cm³	13.506 in³
Radius of gyration (rx)	6.63 cm	2.610 in
Radius of gyration (ry)	6.63 cm	2.610 in