RHS 50x20x1.5 Cintac · Weight & Dimensions

Cintac, cold-formed sections · Rectangular Hollow Section

Rectangular Hollow Sections (RHS) are tubular profiles with excellent torsional resistance and aesthetic appeal. Used for columns, trusses, and exposed structural elements.

Also known as: PTR 50x20 cal 16 (México) · Caño estructural 50x20 (Argentina)

The RHS 50x20x1.5 steel profile weighs 1.5 kg/m (1.03 lb/ft), has a depth of 50 mm (1.97 in), flange width 20 mm (0.79 in). Cross-sectional area: 195.206 mm². Moment of inertia Ix = 5.771 cm⁴, Iy = 1.354 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1.5 mm ≈ 16 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	50 mm	1.97 in
Width (b)	20 mm	0.79 in
Thickness (t)	1.5 mm	0.06 in
Fillet radius (r)	3 mm	0.12 in
Weight	1.5 kg/m	1.03 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	195.21 mm²	0.303 in²
Moment of inertia (Ix)	5.77 cm⁴	0.14 in⁴
Moment of inertia (Iy)	1.35 cm⁴	0.03 in⁴
Elastic section modulus (Sx)	2.31 cm³	0.141 in³
Elastic section modulus (Sy)	1.35 cm³	0.083 in³
Plastic section modulus (Zx)	2.97 cm³	0.181 in³
Plastic section modulus (Zy)	1.55 cm³	0.094 in³
Radius of gyration (rx)	1.72 cm	0.677 in
Radius of gyration (ry)	0.83 cm	0.328 in