CHS 193.7x4.5 SAISC · Weight & Dimensions

SAISC, 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 193.7x4.5 steel profile weighs 21.0 kg/m (14.11 lb/ft). Cross-sectional area: 2,674.752 mm². Moment of inertia Ix = 1,197.516 cm⁴, Iy = 1,197.516 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.5 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	4.5 mm	0.18 in
Diameter (d)	193.7 mm	7.63 in
Weight	21.0 kg/m	14.11 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,674.75 mm²	4.146 in²
Moment of inertia (Ix)	1,197.52 cm⁴	28.77 in⁴
Moment of inertia (Iy)	1,197.52 cm⁴	28.77 in⁴
Elastic section modulus (Sx)	123.65 cm³	7.545 in³
Elastic section modulus (Sy)	123.65 cm³	7.545 in³
Plastic section modulus (Zx)	161.12 cm³	9.832 in³
Plastic section modulus (Zy)	161.12 cm³	9.832 in³
Radius of gyration (rx)	6.69 cm	2.634 in
Radius of gyration (ry)	6.69 cm	2.634 in